Relation between microstructure, composition, and hot cracking in Ti-stabilized austenitic stainless steel weldments
Abstract A stabilized, fully austenitic alloy D9, a 15Cr-15Ni-2Mo stainless steel with a titanium addition corresponding to UNS 38660, is a candidate material for the fuel-clad and wrapper applications of the Prototype Fast Breeder Reactor (PFBR). The fully austenitic microstructure and the presence...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Shankar, V. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2000 |
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| Schlagwörter: |
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| Anmerkung: |
© ASM International & TMS-The Minerals, Metals and Materials Society 2000 |
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| Übergeordnetes Werk: |
Enthalten in: Metallurgical and materials transactions / A - Springer-Verlag, 1994, 31(2000), 12 vom: Dez., Seite 3109-3122 |
|---|---|
| Übergeordnetes Werk: |
volume:31 ; year:2000 ; number:12 ; month:12 ; pages:3109-3122 |
| Links: |
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| DOI / URN: |
10.1007/s11661-000-0090-6 |
|---|
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OLC2054003530 |
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| 520 | |a Abstract A stabilized, fully austenitic alloy D9, a 15Cr-15Ni-2Mo stainless steel with a titanium addition corresponding to UNS 38660, is a candidate material for the fuel-clad and wrapper applications of the Prototype Fast Breeder Reactor (PFBR). The fully austenitic microstructure and the presence of titanium in this alloy lead to high susceptibility to hot cracking during welding. The fusion-zone and the heat-affected zone (HAZ) cracking susceptibility of alloy D9 was studied at three titanium levels, 0.22, 0.32, and 0.42 pct, all other elements remaining constant. The longitudinal and transverse Varestraint (Transvarestraint) hot-cracking tests were used to evaluate fusion-zone and HAZ cracking. The results showed that titanium increases cracking in the fusion zone by 15 to 20 pct in the range of Ti levels studied. The microanalysis of fusion-zone hot cracks using electron probe microanalysis (EPMA) showed an enrichment of Ti, C, N, and S along cracks and in the interdendritic regions. The corresponding phases were identified as TiC, $ TiC_{0.3} $$ N_{0.7} $, and the carbosulfides $ Ti_{2} $CS and $ Ti_{4} $$ C_{2} $$ S_{2} $, which are believed to form eutectics with austenite to produce cracking. The amounts of these phases increased with increasing Ti content. In the HAZ, a similar relation between titanium level and cracking was found. The comparison of the weldability of the D9 with an FA mode type 321 revealed that Ti-bearing eutectics were responsible for a high degree of cracking irrespective of the solidification mode. The results show that in the D9, the ratio of Ti to C and N must be controlled to minimize cracking. | ||
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10.1007/s11661-000-0090-6 doi (DE-627)OLC2054003530 (DE-He213)s11661-000-0090-6-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Shankar, V. verfasserin aut Relation between microstructure, composition, and hot cracking in Ti-stabilized austenitic stainless steel weldments 2000 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © ASM International & TMS-The Minerals, Metals and Materials Society 2000 Abstract A stabilized, fully austenitic alloy D9, a 15Cr-15Ni-2Mo stainless steel with a titanium addition corresponding to UNS 38660, is a candidate material for the fuel-clad and wrapper applications of the Prototype Fast Breeder Reactor (PFBR). The fully austenitic microstructure and the presence of titanium in this alloy lead to high susceptibility to hot cracking during welding. The fusion-zone and the heat-affected zone (HAZ) cracking susceptibility of alloy D9 was studied at three titanium levels, 0.22, 0.32, and 0.42 pct, all other elements remaining constant. The longitudinal and transverse Varestraint (Transvarestraint) hot-cracking tests were used to evaluate fusion-zone and HAZ cracking. The results showed that titanium increases cracking in the fusion zone by 15 to 20 pct in the range of Ti levels studied. The microanalysis of fusion-zone hot cracks using electron probe microanalysis (EPMA) showed an enrichment of Ti, C, N, and S along cracks and in the interdendritic regions. The corresponding phases were identified as TiC, $ TiC_{0.3} $$ N_{0.7} $, and the carbosulfides $ Ti_{2} $CS and $ Ti_{4} $$ C_{2} $$ S_{2} $, which are believed to form eutectics with austenite to produce cracking. The amounts of these phases increased with increasing Ti content. In the HAZ, a similar relation between titanium level and cracking was found. The comparison of the weldability of the D9 with an FA mode type 321 revealed that Ti-bearing eutectics were responsible for a high degree of cracking irrespective of the solidification mode. The results show that in the D9, the ratio of Ti to C and N must be controlled to minimize cracking. Welding Material Transaction Weld Metal Fusion Zone Welding Speed Gill, T. P. S. aut Mannan, S. L. aut Terrance, A. L. E. aut Sundaresan, S. aut Enthalten in Metallurgical and materials transactions / A Springer-Verlag, 1994 31(2000), 12 vom: Dez., Seite 3109-3122 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:31 year:2000 number:12 month:12 pages:3109-3122 https://doi.org/10.1007/s11661-000-0090-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_31 GBV_ILN_62 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2020 GBV_ILN_2027 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4316 GBV_ILN_4319 GBV_ILN_4700 AR 31 2000 12 12 3109-3122 |
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10.1007/s11661-000-0090-6 doi (DE-627)OLC2054003530 (DE-He213)s11661-000-0090-6-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Shankar, V. verfasserin aut Relation between microstructure, composition, and hot cracking in Ti-stabilized austenitic stainless steel weldments 2000 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © ASM International & TMS-The Minerals, Metals and Materials Society 2000 Abstract A stabilized, fully austenitic alloy D9, a 15Cr-15Ni-2Mo stainless steel with a titanium addition corresponding to UNS 38660, is a candidate material for the fuel-clad and wrapper applications of the Prototype Fast Breeder Reactor (PFBR). The fully austenitic microstructure and the presence of titanium in this alloy lead to high susceptibility to hot cracking during welding. The fusion-zone and the heat-affected zone (HAZ) cracking susceptibility of alloy D9 was studied at three titanium levels, 0.22, 0.32, and 0.42 pct, all other elements remaining constant. The longitudinal and transverse Varestraint (Transvarestraint) hot-cracking tests were used to evaluate fusion-zone and HAZ cracking. The results showed that titanium increases cracking in the fusion zone by 15 to 20 pct in the range of Ti levels studied. The microanalysis of fusion-zone hot cracks using electron probe microanalysis (EPMA) showed an enrichment of Ti, C, N, and S along cracks and in the interdendritic regions. The corresponding phases were identified as TiC, $ TiC_{0.3} $$ N_{0.7} $, and the carbosulfides $ Ti_{2} $CS and $ Ti_{4} $$ C_{2} $$ S_{2} $, which are believed to form eutectics with austenite to produce cracking. The amounts of these phases increased with increasing Ti content. In the HAZ, a similar relation between titanium level and cracking was found. The comparison of the weldability of the D9 with an FA mode type 321 revealed that Ti-bearing eutectics were responsible for a high degree of cracking irrespective of the solidification mode. The results show that in the D9, the ratio of Ti to C and N must be controlled to minimize cracking. Welding Material Transaction Weld Metal Fusion Zone Welding Speed Gill, T. P. S. aut Mannan, S. L. aut Terrance, A. L. E. aut Sundaresan, S. aut Enthalten in Metallurgical and materials transactions / A Springer-Verlag, 1994 31(2000), 12 vom: Dez., Seite 3109-3122 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:31 year:2000 number:12 month:12 pages:3109-3122 https://doi.org/10.1007/s11661-000-0090-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_31 GBV_ILN_62 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2020 GBV_ILN_2027 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4316 GBV_ILN_4319 GBV_ILN_4700 AR 31 2000 12 12 3109-3122 |
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10.1007/s11661-000-0090-6 doi (DE-627)OLC2054003530 (DE-He213)s11661-000-0090-6-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Shankar, V. verfasserin aut Relation between microstructure, composition, and hot cracking in Ti-stabilized austenitic stainless steel weldments 2000 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © ASM International & TMS-The Minerals, Metals and Materials Society 2000 Abstract A stabilized, fully austenitic alloy D9, a 15Cr-15Ni-2Mo stainless steel with a titanium addition corresponding to UNS 38660, is a candidate material for the fuel-clad and wrapper applications of the Prototype Fast Breeder Reactor (PFBR). The fully austenitic microstructure and the presence of titanium in this alloy lead to high susceptibility to hot cracking during welding. The fusion-zone and the heat-affected zone (HAZ) cracking susceptibility of alloy D9 was studied at three titanium levels, 0.22, 0.32, and 0.42 pct, all other elements remaining constant. The longitudinal and transverse Varestraint (Transvarestraint) hot-cracking tests were used to evaluate fusion-zone and HAZ cracking. The results showed that titanium increases cracking in the fusion zone by 15 to 20 pct in the range of Ti levels studied. The microanalysis of fusion-zone hot cracks using electron probe microanalysis (EPMA) showed an enrichment of Ti, C, N, and S along cracks and in the interdendritic regions. The corresponding phases were identified as TiC, $ TiC_{0.3} $$ N_{0.7} $, and the carbosulfides $ Ti_{2} $CS and $ Ti_{4} $$ C_{2} $$ S_{2} $, which are believed to form eutectics with austenite to produce cracking. The amounts of these phases increased with increasing Ti content. In the HAZ, a similar relation between titanium level and cracking was found. The comparison of the weldability of the D9 with an FA mode type 321 revealed that Ti-bearing eutectics were responsible for a high degree of cracking irrespective of the solidification mode. The results show that in the D9, the ratio of Ti to C and N must be controlled to minimize cracking. Welding Material Transaction Weld Metal Fusion Zone Welding Speed Gill, T. P. S. aut Mannan, S. L. aut Terrance, A. L. E. aut Sundaresan, S. aut Enthalten in Metallurgical and materials transactions / A Springer-Verlag, 1994 31(2000), 12 vom: Dez., Seite 3109-3122 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:31 year:2000 number:12 month:12 pages:3109-3122 https://doi.org/10.1007/s11661-000-0090-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_31 GBV_ILN_62 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2020 GBV_ILN_2027 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4316 GBV_ILN_4319 GBV_ILN_4700 AR 31 2000 12 12 3109-3122 |
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10.1007/s11661-000-0090-6 doi (DE-627)OLC2054003530 (DE-He213)s11661-000-0090-6-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Shankar, V. verfasserin aut Relation between microstructure, composition, and hot cracking in Ti-stabilized austenitic stainless steel weldments 2000 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © ASM International & TMS-The Minerals, Metals and Materials Society 2000 Abstract A stabilized, fully austenitic alloy D9, a 15Cr-15Ni-2Mo stainless steel with a titanium addition corresponding to UNS 38660, is a candidate material for the fuel-clad and wrapper applications of the Prototype Fast Breeder Reactor (PFBR). The fully austenitic microstructure and the presence of titanium in this alloy lead to high susceptibility to hot cracking during welding. The fusion-zone and the heat-affected zone (HAZ) cracking susceptibility of alloy D9 was studied at three titanium levels, 0.22, 0.32, and 0.42 pct, all other elements remaining constant. The longitudinal and transverse Varestraint (Transvarestraint) hot-cracking tests were used to evaluate fusion-zone and HAZ cracking. The results showed that titanium increases cracking in the fusion zone by 15 to 20 pct in the range of Ti levels studied. The microanalysis of fusion-zone hot cracks using electron probe microanalysis (EPMA) showed an enrichment of Ti, C, N, and S along cracks and in the interdendritic regions. The corresponding phases were identified as TiC, $ TiC_{0.3} $$ N_{0.7} $, and the carbosulfides $ Ti_{2} $CS and $ Ti_{4} $$ C_{2} $$ S_{2} $, which are believed to form eutectics with austenite to produce cracking. The amounts of these phases increased with increasing Ti content. In the HAZ, a similar relation between titanium level and cracking was found. The comparison of the weldability of the D9 with an FA mode type 321 revealed that Ti-bearing eutectics were responsible for a high degree of cracking irrespective of the solidification mode. The results show that in the D9, the ratio of Ti to C and N must be controlled to minimize cracking. Welding Material Transaction Weld Metal Fusion Zone Welding Speed Gill, T. P. S. aut Mannan, S. L. aut Terrance, A. L. E. aut Sundaresan, S. aut Enthalten in Metallurgical and materials transactions / A Springer-Verlag, 1994 31(2000), 12 vom: Dez., Seite 3109-3122 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:31 year:2000 number:12 month:12 pages:3109-3122 https://doi.org/10.1007/s11661-000-0090-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_31 GBV_ILN_62 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2020 GBV_ILN_2027 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4316 GBV_ILN_4319 GBV_ILN_4700 AR 31 2000 12 12 3109-3122 |
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10.1007/s11661-000-0090-6 doi (DE-627)OLC2054003530 (DE-He213)s11661-000-0090-6-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Shankar, V. verfasserin aut Relation between microstructure, composition, and hot cracking in Ti-stabilized austenitic stainless steel weldments 2000 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © ASM International & TMS-The Minerals, Metals and Materials Society 2000 Abstract A stabilized, fully austenitic alloy D9, a 15Cr-15Ni-2Mo stainless steel with a titanium addition corresponding to UNS 38660, is a candidate material for the fuel-clad and wrapper applications of the Prototype Fast Breeder Reactor (PFBR). The fully austenitic microstructure and the presence of titanium in this alloy lead to high susceptibility to hot cracking during welding. The fusion-zone and the heat-affected zone (HAZ) cracking susceptibility of alloy D9 was studied at three titanium levels, 0.22, 0.32, and 0.42 pct, all other elements remaining constant. The longitudinal and transverse Varestraint (Transvarestraint) hot-cracking tests were used to evaluate fusion-zone and HAZ cracking. The results showed that titanium increases cracking in the fusion zone by 15 to 20 pct in the range of Ti levels studied. The microanalysis of fusion-zone hot cracks using electron probe microanalysis (EPMA) showed an enrichment of Ti, C, N, and S along cracks and in the interdendritic regions. The corresponding phases were identified as TiC, $ TiC_{0.3} $$ N_{0.7} $, and the carbosulfides $ Ti_{2} $CS and $ Ti_{4} $$ C_{2} $$ S_{2} $, which are believed to form eutectics with austenite to produce cracking. The amounts of these phases increased with increasing Ti content. In the HAZ, a similar relation between titanium level and cracking was found. The comparison of the weldability of the D9 with an FA mode type 321 revealed that Ti-bearing eutectics were responsible for a high degree of cracking irrespective of the solidification mode. The results show that in the D9, the ratio of Ti to C and N must be controlled to minimize cracking. Welding Material Transaction Weld Metal Fusion Zone Welding Speed Gill, T. P. S. aut Mannan, S. L. aut Terrance, A. L. E. aut Sundaresan, S. aut Enthalten in Metallurgical and materials transactions / A Springer-Verlag, 1994 31(2000), 12 vom: Dez., Seite 3109-3122 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:31 year:2000 number:12 month:12 pages:3109-3122 https://doi.org/10.1007/s11661-000-0090-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_31 GBV_ILN_62 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2020 GBV_ILN_2027 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4316 GBV_ILN_4319 GBV_ILN_4700 AR 31 2000 12 12 3109-3122 |
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relation between microstructure, composition, and hot cracking in ti-stabilized austenitic stainless steel weldments |
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Relation between microstructure, composition, and hot cracking in Ti-stabilized austenitic stainless steel weldments |
| abstract |
Abstract A stabilized, fully austenitic alloy D9, a 15Cr-15Ni-2Mo stainless steel with a titanium addition corresponding to UNS 38660, is a candidate material for the fuel-clad and wrapper applications of the Prototype Fast Breeder Reactor (PFBR). The fully austenitic microstructure and the presence of titanium in this alloy lead to high susceptibility to hot cracking during welding. The fusion-zone and the heat-affected zone (HAZ) cracking susceptibility of alloy D9 was studied at three titanium levels, 0.22, 0.32, and 0.42 pct, all other elements remaining constant. The longitudinal and transverse Varestraint (Transvarestraint) hot-cracking tests were used to evaluate fusion-zone and HAZ cracking. The results showed that titanium increases cracking in the fusion zone by 15 to 20 pct in the range of Ti levels studied. The microanalysis of fusion-zone hot cracks using electron probe microanalysis (EPMA) showed an enrichment of Ti, C, N, and S along cracks and in the interdendritic regions. The corresponding phases were identified as TiC, $ TiC_{0.3} $$ N_{0.7} $, and the carbosulfides $ Ti_{2} $CS and $ Ti_{4} $$ C_{2} $$ S_{2} $, which are believed to form eutectics with austenite to produce cracking. The amounts of these phases increased with increasing Ti content. In the HAZ, a similar relation between titanium level and cracking was found. The comparison of the weldability of the D9 with an FA mode type 321 revealed that Ti-bearing eutectics were responsible for a high degree of cracking irrespective of the solidification mode. The results show that in the D9, the ratio of Ti to C and N must be controlled to minimize cracking. © ASM International & TMS-The Minerals, Metals and Materials Society 2000 |
| abstractGer |
Abstract A stabilized, fully austenitic alloy D9, a 15Cr-15Ni-2Mo stainless steel with a titanium addition corresponding to UNS 38660, is a candidate material for the fuel-clad and wrapper applications of the Prototype Fast Breeder Reactor (PFBR). The fully austenitic microstructure and the presence of titanium in this alloy lead to high susceptibility to hot cracking during welding. The fusion-zone and the heat-affected zone (HAZ) cracking susceptibility of alloy D9 was studied at three titanium levels, 0.22, 0.32, and 0.42 pct, all other elements remaining constant. The longitudinal and transverse Varestraint (Transvarestraint) hot-cracking tests were used to evaluate fusion-zone and HAZ cracking. The results showed that titanium increases cracking in the fusion zone by 15 to 20 pct in the range of Ti levels studied. The microanalysis of fusion-zone hot cracks using electron probe microanalysis (EPMA) showed an enrichment of Ti, C, N, and S along cracks and in the interdendritic regions. The corresponding phases were identified as TiC, $ TiC_{0.3} $$ N_{0.7} $, and the carbosulfides $ Ti_{2} $CS and $ Ti_{4} $$ C_{2} $$ S_{2} $, which are believed to form eutectics with austenite to produce cracking. The amounts of these phases increased with increasing Ti content. In the HAZ, a similar relation between titanium level and cracking was found. The comparison of the weldability of the D9 with an FA mode type 321 revealed that Ti-bearing eutectics were responsible for a high degree of cracking irrespective of the solidification mode. The results show that in the D9, the ratio of Ti to C and N must be controlled to minimize cracking. © ASM International & TMS-The Minerals, Metals and Materials Society 2000 |
| abstract_unstemmed |
Abstract A stabilized, fully austenitic alloy D9, a 15Cr-15Ni-2Mo stainless steel with a titanium addition corresponding to UNS 38660, is a candidate material for the fuel-clad and wrapper applications of the Prototype Fast Breeder Reactor (PFBR). The fully austenitic microstructure and the presence of titanium in this alloy lead to high susceptibility to hot cracking during welding. The fusion-zone and the heat-affected zone (HAZ) cracking susceptibility of alloy D9 was studied at three titanium levels, 0.22, 0.32, and 0.42 pct, all other elements remaining constant. The longitudinal and transverse Varestraint (Transvarestraint) hot-cracking tests were used to evaluate fusion-zone and HAZ cracking. The results showed that titanium increases cracking in the fusion zone by 15 to 20 pct in the range of Ti levels studied. The microanalysis of fusion-zone hot cracks using electron probe microanalysis (EPMA) showed an enrichment of Ti, C, N, and S along cracks and in the interdendritic regions. The corresponding phases were identified as TiC, $ TiC_{0.3} $$ N_{0.7} $, and the carbosulfides $ Ti_{2} $CS and $ Ti_{4} $$ C_{2} $$ S_{2} $, which are believed to form eutectics with austenite to produce cracking. The amounts of these phases increased with increasing Ti content. In the HAZ, a similar relation between titanium level and cracking was found. The comparison of the weldability of the D9 with an FA mode type 321 revealed that Ti-bearing eutectics were responsible for a high degree of cracking irrespective of the solidification mode. The results show that in the D9, the ratio of Ti to C and N must be controlled to minimize cracking. © ASM International & TMS-The Minerals, Metals and Materials Society 2000 |
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