Direct correlation between martensitic transformation and incubation-acceleration transition in solution-treated AISI 304 austenitic stainless steel cavitation
This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Santos, L.L. [verfasserIn] |
|---|
| Format: |
E-Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2020transfer abstract |
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| Schlagwörter: |
Solution-treated AISI 304 austenitic stainless steel |
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| Übergeordnetes Werk: |
Enthalten in: Patterned mesoporous TiO - Nam, Le Vu ELSEVIER, 2021, an international journal on the science and technology of friction, lubrication and wear, Amsterdam [u.a.] |
|---|---|
| Übergeordnetes Werk: |
volume:462 ; year:2020 ; day:15 ; month:12 ; pages:0 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.wear.2020.203522 |
|---|
| Katalog-ID: |
ELV052153932 |
|---|
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| 245 | 1 | 0 | |a Direct correlation between martensitic transformation and incubation-acceleration transition in solution-treated AISI 304 austenitic stainless steel cavitation |
| 264 | 1 | |c 2020transfer abstract | |
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| 520 | |a This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol% γ + ~7 vol% α′ were subjected to cavitation erosion testing according to ASTM G32-10, being carefully characterized by X-ray diffraction and hardness measurements at the tested surfaces. Under cavitation, the studied steel surface showed total γ→α′ transformation fraction of ~89 vol% (which supposedly is directly related to the needed ~4 vol% expansion for the transformation), with no effective mass loss for 180 min testing time, clearly defining the transition from the incubation period (IP) to the acceleration stage of the cavitation testing. For this transformation condition, initially presenting remaining ~11 vol% γ fraction, successive material removal steps and XRD analysis were carried out aiming at determining the actual depth at which this cavitation-related transformation takes place into the steel austenitic matrix. In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation. | ||
| 520 | |a This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol% γ + ~7 vol% α′ were subjected to cavitation erosion testing according to ASTM G32-10, being carefully characterized by X-ray diffraction and hardness measurements at the tested surfaces. Under cavitation, the studied steel surface showed total γ→α′ transformation fraction of ~89 vol% (which supposedly is directly related to the needed ~4 vol% expansion for the transformation), with no effective mass loss for 180 min testing time, clearly defining the transition from the incubation period (IP) to the acceleration stage of the cavitation testing. For this transformation condition, initially presenting remaining ~11 vol% γ fraction, successive material removal steps and XRD analysis were carried out aiming at determining the actual depth at which this cavitation-related transformation takes place into the steel austenitic matrix. In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation. | ||
| 650 | 7 | |a α′- and ε-martensite |2 Elsevier | |
| 650 | 7 | |a Solution-treated AISI 304 austenitic stainless steel |2 Elsevier | |
| 650 | 7 | |a Cavitation erosion behavior |2 Elsevier | |
| 650 | 7 | |a γ→α′(ε) strain-induced martensitic transformation |2 Elsevier | |
| 650 | 7 | |a Incubation-acceleration transition |2 Elsevier | |
| 700 | 1 | |a Cardoso, R.P. |4 oth | |
| 700 | 1 | |a Brunatto, S.F. |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Nam, Le Vu ELSEVIER |t Patterned mesoporous TiO |d 2021 |d an international journal on the science and technology of friction, lubrication and wear |g Amsterdam [u.a.] |w (DE-627)ELV006723276 |
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10.1016/j.wear.2020.203522 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001244.pica (DE-627)ELV052153932 (ELSEVIER)S0043-1648(20)30981-9 DE-627 ger DE-627 rakwb eng 530 620 VZ 52.56 bkl Santos, L.L. verfasserin aut Direct correlation between martensitic transformation and incubation-acceleration transition in solution-treated AISI 304 austenitic stainless steel cavitation 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol% γ + ~7 vol% α′ were subjected to cavitation erosion testing according to ASTM G32-10, being carefully characterized by X-ray diffraction and hardness measurements at the tested surfaces. Under cavitation, the studied steel surface showed total γ→α′ transformation fraction of ~89 vol% (which supposedly is directly related to the needed ~4 vol% expansion for the transformation), with no effective mass loss for 180 min testing time, clearly defining the transition from the incubation period (IP) to the acceleration stage of the cavitation testing. For this transformation condition, initially presenting remaining ~11 vol% γ fraction, successive material removal steps and XRD analysis were carried out aiming at determining the actual depth at which this cavitation-related transformation takes place into the steel austenitic matrix. In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation. This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol% γ + ~7 vol% α′ were subjected to cavitation erosion testing according to ASTM G32-10, being carefully characterized by X-ray diffraction and hardness measurements at the tested surfaces. Under cavitation, the studied steel surface showed total γ→α′ transformation fraction of ~89 vol% (which supposedly is directly related to the needed ~4 vol% expansion for the transformation), with no effective mass loss for 180 min testing time, clearly defining the transition from the incubation period (IP) to the acceleration stage of the cavitation testing. For this transformation condition, initially presenting remaining ~11 vol% γ fraction, successive material removal steps and XRD analysis were carried out aiming at determining the actual depth at which this cavitation-related transformation takes place into the steel austenitic matrix. In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation. α′- and ε-martensite Elsevier Solution-treated AISI 304 austenitic stainless steel Elsevier Cavitation erosion behavior Elsevier γ→α′(ε) strain-induced martensitic transformation Elsevier Incubation-acceleration transition Elsevier Cardoso, R.P. oth Brunatto, S.F. oth Enthalten in Elsevier Science Nam, Le Vu ELSEVIER Patterned mesoporous TiO 2021 an international journal on the science and technology of friction, lubrication and wear Amsterdam [u.a.] (DE-627)ELV006723276 volume:462 year:2020 day:15 month:12 pages:0 https://doi.org/10.1016/j.wear.2020.203522 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 52.56 Regenerative Energieformen alternative Energieformen VZ AR 462 2020 15 1215 0 |
| spelling |
10.1016/j.wear.2020.203522 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001244.pica (DE-627)ELV052153932 (ELSEVIER)S0043-1648(20)30981-9 DE-627 ger DE-627 rakwb eng 530 620 VZ 52.56 bkl Santos, L.L. verfasserin aut Direct correlation between martensitic transformation and incubation-acceleration transition in solution-treated AISI 304 austenitic stainless steel cavitation 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol% γ + ~7 vol% α′ were subjected to cavitation erosion testing according to ASTM G32-10, being carefully characterized by X-ray diffraction and hardness measurements at the tested surfaces. Under cavitation, the studied steel surface showed total γ→α′ transformation fraction of ~89 vol% (which supposedly is directly related to the needed ~4 vol% expansion for the transformation), with no effective mass loss for 180 min testing time, clearly defining the transition from the incubation period (IP) to the acceleration stage of the cavitation testing. For this transformation condition, initially presenting remaining ~11 vol% γ fraction, successive material removal steps and XRD analysis were carried out aiming at determining the actual depth at which this cavitation-related transformation takes place into the steel austenitic matrix. In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation. This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol% γ + ~7 vol% α′ were subjected to cavitation erosion testing according to ASTM G32-10, being carefully characterized by X-ray diffraction and hardness measurements at the tested surfaces. Under cavitation, the studied steel surface showed total γ→α′ transformation fraction of ~89 vol% (which supposedly is directly related to the needed ~4 vol% expansion for the transformation), with no effective mass loss for 180 min testing time, clearly defining the transition from the incubation period (IP) to the acceleration stage of the cavitation testing. For this transformation condition, initially presenting remaining ~11 vol% γ fraction, successive material removal steps and XRD analysis were carried out aiming at determining the actual depth at which this cavitation-related transformation takes place into the steel austenitic matrix. In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation. α′- and ε-martensite Elsevier Solution-treated AISI 304 austenitic stainless steel Elsevier Cavitation erosion behavior Elsevier γ→α′(ε) strain-induced martensitic transformation Elsevier Incubation-acceleration transition Elsevier Cardoso, R.P. oth Brunatto, S.F. oth Enthalten in Elsevier Science Nam, Le Vu ELSEVIER Patterned mesoporous TiO 2021 an international journal on the science and technology of friction, lubrication and wear Amsterdam [u.a.] (DE-627)ELV006723276 volume:462 year:2020 day:15 month:12 pages:0 https://doi.org/10.1016/j.wear.2020.203522 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 52.56 Regenerative Energieformen alternative Energieformen VZ AR 462 2020 15 1215 0 |
| allfields_unstemmed |
10.1016/j.wear.2020.203522 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001244.pica (DE-627)ELV052153932 (ELSEVIER)S0043-1648(20)30981-9 DE-627 ger DE-627 rakwb eng 530 620 VZ 52.56 bkl Santos, L.L. verfasserin aut Direct correlation between martensitic transformation and incubation-acceleration transition in solution-treated AISI 304 austenitic stainless steel cavitation 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol% γ + ~7 vol% α′ were subjected to cavitation erosion testing according to ASTM G32-10, being carefully characterized by X-ray diffraction and hardness measurements at the tested surfaces. Under cavitation, the studied steel surface showed total γ→α′ transformation fraction of ~89 vol% (which supposedly is directly related to the needed ~4 vol% expansion for the transformation), with no effective mass loss for 180 min testing time, clearly defining the transition from the incubation period (IP) to the acceleration stage of the cavitation testing. For this transformation condition, initially presenting remaining ~11 vol% γ fraction, successive material removal steps and XRD analysis were carried out aiming at determining the actual depth at which this cavitation-related transformation takes place into the steel austenitic matrix. In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation. This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol% γ + ~7 vol% α′ were subjected to cavitation erosion testing according to ASTM G32-10, being carefully characterized by X-ray diffraction and hardness measurements at the tested surfaces. Under cavitation, the studied steel surface showed total γ→α′ transformation fraction of ~89 vol% (which supposedly is directly related to the needed ~4 vol% expansion for the transformation), with no effective mass loss for 180 min testing time, clearly defining the transition from the incubation period (IP) to the acceleration stage of the cavitation testing. For this transformation condition, initially presenting remaining ~11 vol% γ fraction, successive material removal steps and XRD analysis were carried out aiming at determining the actual depth at which this cavitation-related transformation takes place into the steel austenitic matrix. In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation. α′- and ε-martensite Elsevier Solution-treated AISI 304 austenitic stainless steel Elsevier Cavitation erosion behavior Elsevier γ→α′(ε) strain-induced martensitic transformation Elsevier Incubation-acceleration transition Elsevier Cardoso, R.P. oth Brunatto, S.F. oth Enthalten in Elsevier Science Nam, Le Vu ELSEVIER Patterned mesoporous TiO 2021 an international journal on the science and technology of friction, lubrication and wear Amsterdam [u.a.] (DE-627)ELV006723276 volume:462 year:2020 day:15 month:12 pages:0 https://doi.org/10.1016/j.wear.2020.203522 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 52.56 Regenerative Energieformen alternative Energieformen VZ AR 462 2020 15 1215 0 |
| allfieldsGer |
10.1016/j.wear.2020.203522 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001244.pica (DE-627)ELV052153932 (ELSEVIER)S0043-1648(20)30981-9 DE-627 ger DE-627 rakwb eng 530 620 VZ 52.56 bkl Santos, L.L. verfasserin aut Direct correlation between martensitic transformation and incubation-acceleration transition in solution-treated AISI 304 austenitic stainless steel cavitation 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol% γ + ~7 vol% α′ were subjected to cavitation erosion testing according to ASTM G32-10, being carefully characterized by X-ray diffraction and hardness measurements at the tested surfaces. Under cavitation, the studied steel surface showed total γ→α′ transformation fraction of ~89 vol% (which supposedly is directly related to the needed ~4 vol% expansion for the transformation), with no effective mass loss for 180 min testing time, clearly defining the transition from the incubation period (IP) to the acceleration stage of the cavitation testing. For this transformation condition, initially presenting remaining ~11 vol% γ fraction, successive material removal steps and XRD analysis were carried out aiming at determining the actual depth at which this cavitation-related transformation takes place into the steel austenitic matrix. In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation. This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol% γ + ~7 vol% α′ were subjected to cavitation erosion testing according to ASTM G32-10, being carefully characterized by X-ray diffraction and hardness measurements at the tested surfaces. Under cavitation, the studied steel surface showed total γ→α′ transformation fraction of ~89 vol% (which supposedly is directly related to the needed ~4 vol% expansion for the transformation), with no effective mass loss for 180 min testing time, clearly defining the transition from the incubation period (IP) to the acceleration stage of the cavitation testing. For this transformation condition, initially presenting remaining ~11 vol% γ fraction, successive material removal steps and XRD analysis were carried out aiming at determining the actual depth at which this cavitation-related transformation takes place into the steel austenitic matrix. In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation. α′- and ε-martensite Elsevier Solution-treated AISI 304 austenitic stainless steel Elsevier Cavitation erosion behavior Elsevier γ→α′(ε) strain-induced martensitic transformation Elsevier Incubation-acceleration transition Elsevier Cardoso, R.P. oth Brunatto, S.F. oth Enthalten in Elsevier Science Nam, Le Vu ELSEVIER Patterned mesoporous TiO 2021 an international journal on the science and technology of friction, lubrication and wear Amsterdam [u.a.] (DE-627)ELV006723276 volume:462 year:2020 day:15 month:12 pages:0 https://doi.org/10.1016/j.wear.2020.203522 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 52.56 Regenerative Energieformen alternative Energieformen VZ AR 462 2020 15 1215 0 |
| allfieldsSound |
10.1016/j.wear.2020.203522 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001244.pica (DE-627)ELV052153932 (ELSEVIER)S0043-1648(20)30981-9 DE-627 ger DE-627 rakwb eng 530 620 VZ 52.56 bkl Santos, L.L. verfasserin aut Direct correlation between martensitic transformation and incubation-acceleration transition in solution-treated AISI 304 austenitic stainless steel cavitation 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol% γ + ~7 vol% α′ were subjected to cavitation erosion testing according to ASTM G32-10, being carefully characterized by X-ray diffraction and hardness measurements at the tested surfaces. Under cavitation, the studied steel surface showed total γ→α′ transformation fraction of ~89 vol% (which supposedly is directly related to the needed ~4 vol% expansion for the transformation), with no effective mass loss for 180 min testing time, clearly defining the transition from the incubation period (IP) to the acceleration stage of the cavitation testing. For this transformation condition, initially presenting remaining ~11 vol% γ fraction, successive material removal steps and XRD analysis were carried out aiming at determining the actual depth at which this cavitation-related transformation takes place into the steel austenitic matrix. In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation. This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol% γ + ~7 vol% α′ were subjected to cavitation erosion testing according to ASTM G32-10, being carefully characterized by X-ray diffraction and hardness measurements at the tested surfaces. Under cavitation, the studied steel surface showed total γ→α′ transformation fraction of ~89 vol% (which supposedly is directly related to the needed ~4 vol% expansion for the transformation), with no effective mass loss for 180 min testing time, clearly defining the transition from the incubation period (IP) to the acceleration stage of the cavitation testing. For this transformation condition, initially presenting remaining ~11 vol% γ fraction, successive material removal steps and XRD analysis were carried out aiming at determining the actual depth at which this cavitation-related transformation takes place into the steel austenitic matrix. In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation. α′- and ε-martensite Elsevier Solution-treated AISI 304 austenitic stainless steel Elsevier Cavitation erosion behavior Elsevier γ→α′(ε) strain-induced martensitic transformation Elsevier Incubation-acceleration transition Elsevier Cardoso, R.P. oth Brunatto, S.F. oth Enthalten in Elsevier Science Nam, Le Vu ELSEVIER Patterned mesoporous TiO 2021 an international journal on the science and technology of friction, lubrication and wear Amsterdam [u.a.] (DE-627)ELV006723276 volume:462 year:2020 day:15 month:12 pages:0 https://doi.org/10.1016/j.wear.2020.203522 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 52.56 Regenerative Energieformen alternative Energieformen VZ AR 462 2020 15 1215 0 |
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In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. 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direct correlation between martensitic transformation and incubation-acceleration transition in solution-treated aisi 304 austenitic stainless steel cavitation |
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Direct correlation between martensitic transformation and incubation-acceleration transition in solution-treated AISI 304 austenitic stainless steel cavitation |
| abstract |
This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol% γ + ~7 vol% α′ were subjected to cavitation erosion testing according to ASTM G32-10, being carefully characterized by X-ray diffraction and hardness measurements at the tested surfaces. Under cavitation, the studied steel surface showed total γ→α′ transformation fraction of ~89 vol% (which supposedly is directly related to the needed ~4 vol% expansion for the transformation), with no effective mass loss for 180 min testing time, clearly defining the transition from the incubation period (IP) to the acceleration stage of the cavitation testing. For this transformation condition, initially presenting remaining ~11 vol% γ fraction, successive material removal steps and XRD analysis were carried out aiming at determining the actual depth at which this cavitation-related transformation takes place into the steel austenitic matrix. In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation. |
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This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol% γ + ~7 vol% α′ were subjected to cavitation erosion testing according to ASTM G32-10, being carefully characterized by X-ray diffraction and hardness measurements at the tested surfaces. Under cavitation, the studied steel surface showed total γ→α′ transformation fraction of ~89 vol% (which supposedly is directly related to the needed ~4 vol% expansion for the transformation), with no effective mass loss for 180 min testing time, clearly defining the transition from the incubation period (IP) to the acceleration stage of the cavitation testing. For this transformation condition, initially presenting remaining ~11 vol% γ fraction, successive material removal steps and XRD analysis were carried out aiming at determining the actual depth at which this cavitation-related transformation takes place into the steel austenitic matrix. In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation. |
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This work shows in details how the γ→α′(ε) (austenite (γ), martensite (α′, ε)) strain-induced martensitic transformation affects the cavitation erosion behavior of the solution-treated AISI 304 austenitic stainless steel. For this purpose, mirror-polished surface samples initially presenting ~93 vol% γ + ~7 vol% α′ were subjected to cavitation erosion testing according to ASTM G32-10, being carefully characterized by X-ray diffraction and hardness measurements at the tested surfaces. Under cavitation, the studied steel surface showed total γ→α′ transformation fraction of ~89 vol% (which supposedly is directly related to the needed ~4 vol% expansion for the transformation), with no effective mass loss for 180 min testing time, clearly defining the transition from the incubation period (IP) to the acceleration stage of the cavitation testing. For this transformation condition, initially presenting remaining ~11 vol% γ fraction, successive material removal steps and XRD analysis were carried out aiming at determining the actual depth at which this cavitation-related transformation takes place into the steel austenitic matrix. In this case, ~57 μm depth was found when XRD patterns before testing (leading to ~93 vol% γ results) were obtained. Finally, the variation of the average γ→α′ transformation rate along all IP presented a maximum level of ~0.60% min−1 between 60-120 min, which is attributed to the great difference on the mechanical properties of the γ and α′ phases, whose volume fractions continuously change at the surface under cavitation, thus affecting the evolution of the referred surface transformation. |
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