The effects of surface hardening on fracture toughness of carburized steel
Abstract This research program was carried out to evaluate the effects of surface hardening on the fracture toughness of carburized steel. The materials AISI 8620 steel was machined into compact-tension (CT) specimens. The specimens were pack carburized at 930°C (1706°F) for different periods of tim...
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Gespeichert in:
| Autor*in: |
Lee, Shen-Chih [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1989 |
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| Schlagwörter: |
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| Anmerkung: |
© The Minerals, Metals & Materials Society and ASM International 1989 |
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| Übergeordnetes Werk: |
Enthalten in: Metallurgical transactions. A, Physical metallurgy and materials science - Springer-Verlag, 1975, 20(1989), 3 vom: März, Seite 519-525 |
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| Übergeordnetes Werk: |
volume:20 ; year:1989 ; number:3 ; month:03 ; pages:519-525 |
| Links: |
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| DOI / URN: |
10.1007/BF02653931 |
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OLC2053964812 |
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| 520 | |a Abstract This research program was carried out to evaluate the effects of surface hardening on the fracture toughness of carburized steel. The materials AISI 8620 steel was machined into compact-tension (CT) specimens. The specimens were pack carburized at 930°C (1706°F) for different periods of time, cooled to ambient temperature and subsequently tempered at various temperatures for one hour. The fractured specimens were examined by hardness tests, metallography, X-ray diffraction analysis for retained austenite in the case, and scanning electron microscope fractographic analysis of the fracture surfaces. The experimental results revealed that theKIC values of the carburized, AISI 8620 steels were improved by the increase in case depth. Martensitic/tempered-martensitic structure in the case was the major constituent contributing to the improved toughness. The amount of retained austenite at the case increased as the thickness of the hardened layer increased. But retained austenite as well as large grain size were found to have adverse effects on fracture toughness of the carburized steel. The tempering temperature of 500°C (932°F) provided maximumKIC values. Higher tempering temperatures resulted in sharp decrease of fracture, toughness values. | ||
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10.1007/BF02653931 doi (DE-627)OLC2053964812 (DE-He213)BF02653931-p DE-627 ger DE-627 rakwb eng 670 530 VZ Lee, Shen-Chih verfasserin aut The effects of surface hardening on fracture toughness of carburized steel 1989 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society and ASM International 1989 Abstract This research program was carried out to evaluate the effects of surface hardening on the fracture toughness of carburized steel. The materials AISI 8620 steel was machined into compact-tension (CT) specimens. The specimens were pack carburized at 930°C (1706°F) for different periods of time, cooled to ambient temperature and subsequently tempered at various temperatures for one hour. The fractured specimens were examined by hardness tests, metallography, X-ray diffraction analysis for retained austenite in the case, and scanning electron microscope fractographic analysis of the fracture surfaces. The experimental results revealed that theKIC values of the carburized, AISI 8620 steels were improved by the increase in case depth. Martensitic/tempered-martensitic structure in the case was the major constituent contributing to the improved toughness. The amount of retained austenite at the case increased as the thickness of the hardened layer increased. But retained austenite as well as large grain size were found to have adverse effects on fracture toughness of the carburized steel. The tempering temperature of 500°C (932°F) provided maximumKIC values. Higher tempering temperatures resulted in sharp decrease of fracture, toughness values. Austenite Martensite Fracture Toughness Case Depth Retain Austenite Ho, Weio-Youe aut Enthalten in Metallurgical transactions. A, Physical metallurgy and materials science Springer-Verlag, 1975 20(1989), 3 vom: März, Seite 519-525 (DE-627)129429058 (DE-600)192156-3 (DE-576)01480204X 0026-086X nnns volume:20 year:1989 number:3 month:03 pages:519-525 https://doi.org/10.1007/BF02653931 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_62 GBV_ILN_70 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2015 GBV_ILN_2016 GBV_ILN_2020 GBV_ILN_2027 GBV_ILN_4035 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 20 1989 3 03 519-525 |
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10.1007/BF02653931 doi (DE-627)OLC2053964812 (DE-He213)BF02653931-p DE-627 ger DE-627 rakwb eng 670 530 VZ Lee, Shen-Chih verfasserin aut The effects of surface hardening on fracture toughness of carburized steel 1989 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society and ASM International 1989 Abstract This research program was carried out to evaluate the effects of surface hardening on the fracture toughness of carburized steel. The materials AISI 8620 steel was machined into compact-tension (CT) specimens. The specimens were pack carburized at 930°C (1706°F) for different periods of time, cooled to ambient temperature and subsequently tempered at various temperatures for one hour. The fractured specimens were examined by hardness tests, metallography, X-ray diffraction analysis for retained austenite in the case, and scanning electron microscope fractographic analysis of the fracture surfaces. The experimental results revealed that theKIC values of the carburized, AISI 8620 steels were improved by the increase in case depth. Martensitic/tempered-martensitic structure in the case was the major constituent contributing to the improved toughness. The amount of retained austenite at the case increased as the thickness of the hardened layer increased. But retained austenite as well as large grain size were found to have adverse effects on fracture toughness of the carburized steel. The tempering temperature of 500°C (932°F) provided maximumKIC values. Higher tempering temperatures resulted in sharp decrease of fracture, toughness values. Austenite Martensite Fracture Toughness Case Depth Retain Austenite Ho, Weio-Youe aut Enthalten in Metallurgical transactions. A, Physical metallurgy and materials science Springer-Verlag, 1975 20(1989), 3 vom: März, Seite 519-525 (DE-627)129429058 (DE-600)192156-3 (DE-576)01480204X 0026-086X nnns volume:20 year:1989 number:3 month:03 pages:519-525 https://doi.org/10.1007/BF02653931 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_62 GBV_ILN_70 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2015 GBV_ILN_2016 GBV_ILN_2020 GBV_ILN_2027 GBV_ILN_4035 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 20 1989 3 03 519-525 |
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10.1007/BF02653931 doi (DE-627)OLC2053964812 (DE-He213)BF02653931-p DE-627 ger DE-627 rakwb eng 670 530 VZ Lee, Shen-Chih verfasserin aut The effects of surface hardening on fracture toughness of carburized steel 1989 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society and ASM International 1989 Abstract This research program was carried out to evaluate the effects of surface hardening on the fracture toughness of carburized steel. The materials AISI 8620 steel was machined into compact-tension (CT) specimens. The specimens were pack carburized at 930°C (1706°F) for different periods of time, cooled to ambient temperature and subsequently tempered at various temperatures for one hour. The fractured specimens were examined by hardness tests, metallography, X-ray diffraction analysis for retained austenite in the case, and scanning electron microscope fractographic analysis of the fracture surfaces. The experimental results revealed that theKIC values of the carburized, AISI 8620 steels were improved by the increase in case depth. Martensitic/tempered-martensitic structure in the case was the major constituent contributing to the improved toughness. The amount of retained austenite at the case increased as the thickness of the hardened layer increased. But retained austenite as well as large grain size were found to have adverse effects on fracture toughness of the carburized steel. The tempering temperature of 500°C (932°F) provided maximumKIC values. Higher tempering temperatures resulted in sharp decrease of fracture, toughness values. Austenite Martensite Fracture Toughness Case Depth Retain Austenite Ho, Weio-Youe aut Enthalten in Metallurgical transactions. A, Physical metallurgy and materials science Springer-Verlag, 1975 20(1989), 3 vom: März, Seite 519-525 (DE-627)129429058 (DE-600)192156-3 (DE-576)01480204X 0026-086X nnns volume:20 year:1989 number:3 month:03 pages:519-525 https://doi.org/10.1007/BF02653931 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_62 GBV_ILN_70 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2015 GBV_ILN_2016 GBV_ILN_2020 GBV_ILN_2027 GBV_ILN_4035 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 20 1989 3 03 519-525 |
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10.1007/BF02653931 doi (DE-627)OLC2053964812 (DE-He213)BF02653931-p DE-627 ger DE-627 rakwb eng 670 530 VZ Lee, Shen-Chih verfasserin aut The effects of surface hardening on fracture toughness of carburized steel 1989 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society and ASM International 1989 Abstract This research program was carried out to evaluate the effects of surface hardening on the fracture toughness of carburized steel. The materials AISI 8620 steel was machined into compact-tension (CT) specimens. The specimens were pack carburized at 930°C (1706°F) for different periods of time, cooled to ambient temperature and subsequently tempered at various temperatures for one hour. The fractured specimens were examined by hardness tests, metallography, X-ray diffraction analysis for retained austenite in the case, and scanning electron microscope fractographic analysis of the fracture surfaces. The experimental results revealed that theKIC values of the carburized, AISI 8620 steels were improved by the increase in case depth. Martensitic/tempered-martensitic structure in the case was the major constituent contributing to the improved toughness. The amount of retained austenite at the case increased as the thickness of the hardened layer increased. But retained austenite as well as large grain size were found to have adverse effects on fracture toughness of the carburized steel. The tempering temperature of 500°C (932°F) provided maximumKIC values. Higher tempering temperatures resulted in sharp decrease of fracture, toughness values. Austenite Martensite Fracture Toughness Case Depth Retain Austenite Ho, Weio-Youe aut Enthalten in Metallurgical transactions. A, Physical metallurgy and materials science Springer-Verlag, 1975 20(1989), 3 vom: März, Seite 519-525 (DE-627)129429058 (DE-600)192156-3 (DE-576)01480204X 0026-086X nnns volume:20 year:1989 number:3 month:03 pages:519-525 https://doi.org/10.1007/BF02653931 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_62 GBV_ILN_70 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2015 GBV_ILN_2016 GBV_ILN_2020 GBV_ILN_2027 GBV_ILN_4035 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 20 1989 3 03 519-525 |
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10.1007/BF02653931 doi (DE-627)OLC2053964812 (DE-He213)BF02653931-p DE-627 ger DE-627 rakwb eng 670 530 VZ Lee, Shen-Chih verfasserin aut The effects of surface hardening on fracture toughness of carburized steel 1989 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society and ASM International 1989 Abstract This research program was carried out to evaluate the effects of surface hardening on the fracture toughness of carburized steel. The materials AISI 8620 steel was machined into compact-tension (CT) specimens. The specimens were pack carburized at 930°C (1706°F) for different periods of time, cooled to ambient temperature and subsequently tempered at various temperatures for one hour. The fractured specimens were examined by hardness tests, metallography, X-ray diffraction analysis for retained austenite in the case, and scanning electron microscope fractographic analysis of the fracture surfaces. The experimental results revealed that theKIC values of the carburized, AISI 8620 steels were improved by the increase in case depth. Martensitic/tempered-martensitic structure in the case was the major constituent contributing to the improved toughness. The amount of retained austenite at the case increased as the thickness of the hardened layer increased. But retained austenite as well as large grain size were found to have adverse effects on fracture toughness of the carburized steel. The tempering temperature of 500°C (932°F) provided maximumKIC values. Higher tempering temperatures resulted in sharp decrease of fracture, toughness values. Austenite Martensite Fracture Toughness Case Depth Retain Austenite Ho, Weio-Youe aut Enthalten in Metallurgical transactions. A, Physical metallurgy and materials science Springer-Verlag, 1975 20(1989), 3 vom: März, Seite 519-525 (DE-627)129429058 (DE-600)192156-3 (DE-576)01480204X 0026-086X nnns volume:20 year:1989 number:3 month:03 pages:519-525 https://doi.org/10.1007/BF02653931 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_62 GBV_ILN_70 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2015 GBV_ILN_2016 GBV_ILN_2020 GBV_ILN_2027 GBV_ILN_4035 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 20 1989 3 03 519-525 |
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Enthalten in Metallurgical transactions. A, Physical metallurgy and materials science 20(1989), 3 vom: März, Seite 519-525 volume:20 year:1989 number:3 month:03 pages:519-525 |
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Enthalten in Metallurgical transactions. A, Physical metallurgy and materials science 20(1989), 3 vom: März, Seite 519-525 volume:20 year:1989 number:3 month:03 pages:519-525 |
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the effects of surface hardening on fracture toughness of carburized steel |
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The effects of surface hardening on fracture toughness of carburized steel |
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Abstract This research program was carried out to evaluate the effects of surface hardening on the fracture toughness of carburized steel. The materials AISI 8620 steel was machined into compact-tension (CT) specimens. The specimens were pack carburized at 930°C (1706°F) for different periods of time, cooled to ambient temperature and subsequently tempered at various temperatures for one hour. The fractured specimens were examined by hardness tests, metallography, X-ray diffraction analysis for retained austenite in the case, and scanning electron microscope fractographic analysis of the fracture surfaces. The experimental results revealed that theKIC values of the carburized, AISI 8620 steels were improved by the increase in case depth. Martensitic/tempered-martensitic structure in the case was the major constituent contributing to the improved toughness. The amount of retained austenite at the case increased as the thickness of the hardened layer increased. But retained austenite as well as large grain size were found to have adverse effects on fracture toughness of the carburized steel. The tempering temperature of 500°C (932°F) provided maximumKIC values. Higher tempering temperatures resulted in sharp decrease of fracture, toughness values. © The Minerals, Metals & Materials Society and ASM International 1989 |
| abstractGer |
Abstract This research program was carried out to evaluate the effects of surface hardening on the fracture toughness of carburized steel. The materials AISI 8620 steel was machined into compact-tension (CT) specimens. The specimens were pack carburized at 930°C (1706°F) for different periods of time, cooled to ambient temperature and subsequently tempered at various temperatures for one hour. The fractured specimens were examined by hardness tests, metallography, X-ray diffraction analysis for retained austenite in the case, and scanning electron microscope fractographic analysis of the fracture surfaces. The experimental results revealed that theKIC values of the carburized, AISI 8620 steels were improved by the increase in case depth. Martensitic/tempered-martensitic structure in the case was the major constituent contributing to the improved toughness. The amount of retained austenite at the case increased as the thickness of the hardened layer increased. But retained austenite as well as large grain size were found to have adverse effects on fracture toughness of the carburized steel. The tempering temperature of 500°C (932°F) provided maximumKIC values. Higher tempering temperatures resulted in sharp decrease of fracture, toughness values. © The Minerals, Metals & Materials Society and ASM International 1989 |
| abstract_unstemmed |
Abstract This research program was carried out to evaluate the effects of surface hardening on the fracture toughness of carburized steel. The materials AISI 8620 steel was machined into compact-tension (CT) specimens. The specimens were pack carburized at 930°C (1706°F) for different periods of time, cooled to ambient temperature and subsequently tempered at various temperatures for one hour. The fractured specimens were examined by hardness tests, metallography, X-ray diffraction analysis for retained austenite in the case, and scanning electron microscope fractographic analysis of the fracture surfaces. The experimental results revealed that theKIC values of the carburized, AISI 8620 steels were improved by the increase in case depth. Martensitic/tempered-martensitic structure in the case was the major constituent contributing to the improved toughness. The amount of retained austenite at the case increased as the thickness of the hardened layer increased. But retained austenite as well as large grain size were found to have adverse effects on fracture toughness of the carburized steel. The tempering temperature of 500°C (932°F) provided maximumKIC values. Higher tempering temperatures resulted in sharp decrease of fracture, toughness values. © The Minerals, Metals & Materials Society and ASM International 1989 |
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