Isothermal Phase Transformation in Biomedical Co-29Cr-6Mo Alloy without Addition of Carbon or Nitrogen
Abstract The isothermal phase transformation behavior in a biomedical Co-29Cr-6Mo alloy without carbon or nitrogen was investigated during aging at temperatures between 973 K and 1273 K (700 °C and 1000 °C) for up to 90 ks. Transformation from the γ to the ε phase did not occur at 1273 K (1000 °C) a...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Kurosu, Shingo [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2010 |
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| Schlagwörter: |
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| Anmerkung: |
© The Minerals, Metals & Materials Society and ASM International 2010 |
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| Übergeordnetes Werk: |
Enthalten in: Metallurgical and materials transactions / A - Springer US, 1994, 41(2010), 10 vom: 25. Juni, Seite 2613-2625 |
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| Übergeordnetes Werk: |
volume:41 ; year:2010 ; number:10 ; day:25 ; month:06 ; pages:2613-2625 |
| Links: |
|---|
| DOI / URN: |
10.1007/s11661-010-0273-8 |
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OLC205403570X |
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| 520 | |a Abstract The isothermal phase transformation behavior in a biomedical Co-29Cr-6Mo alloy without carbon or nitrogen was investigated during aging at temperatures between 973 K and 1273 K (700 °C and 1000 °C) for up to 90 ks. Transformation from the γ to the ε phase did not occur at 1273 K (1000 °C) as the γ phase was more stable than the ε phase, and the σ phase precipitated at the γ grain boundaries. At 1173 K (900 °C), a γ → ε1 phase transformation occurred by massive precipitation. Prolonged annealing at 1173 K (900 °C) led to a lamellar structure of ε2 and σ phases at ε1/ε1 boundaries by a discontinuous/cellular reaction, expressed by the reaction equation ε1 → ε2 + σ. After decreasing the aging temperature to 973 K (700 °C), transformation from the γ to the ε phase occurred mainly by isothermal martensitic transformation, but a lathlike massive ε1 phase and ε2/σ lamellar colonies were also observed at the original γ-grain boundaries. It is likely that not adding carbon results in the promotion of the massive transformation and the precipitation of the σ phase during isothermal aging in the Co-29Cr-6Mo alloy system, whose composition corresponds to the ASTM F75 standard for metallic materials for surgical implantation. The resultant isothermal transformation behavior of the present alloy is described on the basis of thermodynamic calculations using Thermo-Calc. | ||
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10.1007/s11661-010-0273-8 doi (DE-627)OLC205403570X (DE-He213)s11661-010-0273-8-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Kurosu, Shingo verfasserin aut Isothermal Phase Transformation in Biomedical Co-29Cr-6Mo Alloy without Addition of Carbon or Nitrogen 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society and ASM International 2010 Abstract The isothermal phase transformation behavior in a biomedical Co-29Cr-6Mo alloy without carbon or nitrogen was investigated during aging at temperatures between 973 K and 1273 K (700 °C and 1000 °C) for up to 90 ks. Transformation from the γ to the ε phase did not occur at 1273 K (1000 °C) as the γ phase was more stable than the ε phase, and the σ phase precipitated at the γ grain boundaries. At 1173 K (900 °C), a γ → ε1 phase transformation occurred by massive precipitation. Prolonged annealing at 1173 K (900 °C) led to a lamellar structure of ε2 and σ phases at ε1/ε1 boundaries by a discontinuous/cellular reaction, expressed by the reaction equation ε1 → ε2 + σ. After decreasing the aging temperature to 973 K (700 °C), transformation from the γ to the ε phase occurred mainly by isothermal martensitic transformation, but a lathlike massive ε1 phase and ε2/σ lamellar colonies were also observed at the original γ-grain boundaries. It is likely that not adding carbon results in the promotion of the massive transformation and the precipitation of the σ phase during isothermal aging in the Co-29Cr-6Mo alloy system, whose composition corresponds to the ASTM F75 standard for metallic materials for surgical implantation. The resultant isothermal transformation behavior of the present alloy is described on the basis of thermodynamic calculations using Thermo-Calc. Martensite Martensitic Transformation Massive Transformation Phase Transformation Behavior Isothermal Martensite Matsumoto, Hiroaki aut Chiba, Akihiko aut Enthalten in Metallurgical and materials transactions / A Springer US, 1994 41(2010), 10 vom: 25. Juni, Seite 2613-2625 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:41 year:2010 number:10 day:25 month:06 pages:2613-2625 https://doi.org/10.1007/s11661-010-0273-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2027 GBV_ILN_4116 GBV_ILN_4313 GBV_ILN_4319 GBV_ILN_4700 AR 41 2010 10 25 06 2613-2625 |
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10.1007/s11661-010-0273-8 doi (DE-627)OLC205403570X (DE-He213)s11661-010-0273-8-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Kurosu, Shingo verfasserin aut Isothermal Phase Transformation in Biomedical Co-29Cr-6Mo Alloy without Addition of Carbon or Nitrogen 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society and ASM International 2010 Abstract The isothermal phase transformation behavior in a biomedical Co-29Cr-6Mo alloy without carbon or nitrogen was investigated during aging at temperatures between 973 K and 1273 K (700 °C and 1000 °C) for up to 90 ks. Transformation from the γ to the ε phase did not occur at 1273 K (1000 °C) as the γ phase was more stable than the ε phase, and the σ phase precipitated at the γ grain boundaries. At 1173 K (900 °C), a γ → ε1 phase transformation occurred by massive precipitation. Prolonged annealing at 1173 K (900 °C) led to a lamellar structure of ε2 and σ phases at ε1/ε1 boundaries by a discontinuous/cellular reaction, expressed by the reaction equation ε1 → ε2 + σ. After decreasing the aging temperature to 973 K (700 °C), transformation from the γ to the ε phase occurred mainly by isothermal martensitic transformation, but a lathlike massive ε1 phase and ε2/σ lamellar colonies were also observed at the original γ-grain boundaries. It is likely that not adding carbon results in the promotion of the massive transformation and the precipitation of the σ phase during isothermal aging in the Co-29Cr-6Mo alloy system, whose composition corresponds to the ASTM F75 standard for metallic materials for surgical implantation. The resultant isothermal transformation behavior of the present alloy is described on the basis of thermodynamic calculations using Thermo-Calc. Martensite Martensitic Transformation Massive Transformation Phase Transformation Behavior Isothermal Martensite Matsumoto, Hiroaki aut Chiba, Akihiko aut Enthalten in Metallurgical and materials transactions / A Springer US, 1994 41(2010), 10 vom: 25. Juni, Seite 2613-2625 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:41 year:2010 number:10 day:25 month:06 pages:2613-2625 https://doi.org/10.1007/s11661-010-0273-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2027 GBV_ILN_4116 GBV_ILN_4313 GBV_ILN_4319 GBV_ILN_4700 AR 41 2010 10 25 06 2613-2625 |
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10.1007/s11661-010-0273-8 doi (DE-627)OLC205403570X (DE-He213)s11661-010-0273-8-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Kurosu, Shingo verfasserin aut Isothermal Phase Transformation in Biomedical Co-29Cr-6Mo Alloy without Addition of Carbon or Nitrogen 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society and ASM International 2010 Abstract The isothermal phase transformation behavior in a biomedical Co-29Cr-6Mo alloy without carbon or nitrogen was investigated during aging at temperatures between 973 K and 1273 K (700 °C and 1000 °C) for up to 90 ks. Transformation from the γ to the ε phase did not occur at 1273 K (1000 °C) as the γ phase was more stable than the ε phase, and the σ phase precipitated at the γ grain boundaries. At 1173 K (900 °C), a γ → ε1 phase transformation occurred by massive precipitation. Prolonged annealing at 1173 K (900 °C) led to a lamellar structure of ε2 and σ phases at ε1/ε1 boundaries by a discontinuous/cellular reaction, expressed by the reaction equation ε1 → ε2 + σ. After decreasing the aging temperature to 973 K (700 °C), transformation from the γ to the ε phase occurred mainly by isothermal martensitic transformation, but a lathlike massive ε1 phase and ε2/σ lamellar colonies were also observed at the original γ-grain boundaries. It is likely that not adding carbon results in the promotion of the massive transformation and the precipitation of the σ phase during isothermal aging in the Co-29Cr-6Mo alloy system, whose composition corresponds to the ASTM F75 standard for metallic materials for surgical implantation. The resultant isothermal transformation behavior of the present alloy is described on the basis of thermodynamic calculations using Thermo-Calc. Martensite Martensitic Transformation Massive Transformation Phase Transformation Behavior Isothermal Martensite Matsumoto, Hiroaki aut Chiba, Akihiko aut Enthalten in Metallurgical and materials transactions / A Springer US, 1994 41(2010), 10 vom: 25. Juni, Seite 2613-2625 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:41 year:2010 number:10 day:25 month:06 pages:2613-2625 https://doi.org/10.1007/s11661-010-0273-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2027 GBV_ILN_4116 GBV_ILN_4313 GBV_ILN_4319 GBV_ILN_4700 AR 41 2010 10 25 06 2613-2625 |
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10.1007/s11661-010-0273-8 doi (DE-627)OLC205403570X (DE-He213)s11661-010-0273-8-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Kurosu, Shingo verfasserin aut Isothermal Phase Transformation in Biomedical Co-29Cr-6Mo Alloy without Addition of Carbon or Nitrogen 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society and ASM International 2010 Abstract The isothermal phase transformation behavior in a biomedical Co-29Cr-6Mo alloy without carbon or nitrogen was investigated during aging at temperatures between 973 K and 1273 K (700 °C and 1000 °C) for up to 90 ks. Transformation from the γ to the ε phase did not occur at 1273 K (1000 °C) as the γ phase was more stable than the ε phase, and the σ phase precipitated at the γ grain boundaries. At 1173 K (900 °C), a γ → ε1 phase transformation occurred by massive precipitation. Prolonged annealing at 1173 K (900 °C) led to a lamellar structure of ε2 and σ phases at ε1/ε1 boundaries by a discontinuous/cellular reaction, expressed by the reaction equation ε1 → ε2 + σ. After decreasing the aging temperature to 973 K (700 °C), transformation from the γ to the ε phase occurred mainly by isothermal martensitic transformation, but a lathlike massive ε1 phase and ε2/σ lamellar colonies were also observed at the original γ-grain boundaries. It is likely that not adding carbon results in the promotion of the massive transformation and the precipitation of the σ phase during isothermal aging in the Co-29Cr-6Mo alloy system, whose composition corresponds to the ASTM F75 standard for metallic materials for surgical implantation. The resultant isothermal transformation behavior of the present alloy is described on the basis of thermodynamic calculations using Thermo-Calc. Martensite Martensitic Transformation Massive Transformation Phase Transformation Behavior Isothermal Martensite Matsumoto, Hiroaki aut Chiba, Akihiko aut Enthalten in Metallurgical and materials transactions / A Springer US, 1994 41(2010), 10 vom: 25. Juni, Seite 2613-2625 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:41 year:2010 number:10 day:25 month:06 pages:2613-2625 https://doi.org/10.1007/s11661-010-0273-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2027 GBV_ILN_4116 GBV_ILN_4313 GBV_ILN_4319 GBV_ILN_4700 AR 41 2010 10 25 06 2613-2625 |
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10.1007/s11661-010-0273-8 doi (DE-627)OLC205403570X (DE-He213)s11661-010-0273-8-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Kurosu, Shingo verfasserin aut Isothermal Phase Transformation in Biomedical Co-29Cr-6Mo Alloy without Addition of Carbon or Nitrogen 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society and ASM International 2010 Abstract The isothermal phase transformation behavior in a biomedical Co-29Cr-6Mo alloy without carbon or nitrogen was investigated during aging at temperatures between 973 K and 1273 K (700 °C and 1000 °C) for up to 90 ks. Transformation from the γ to the ε phase did not occur at 1273 K (1000 °C) as the γ phase was more stable than the ε phase, and the σ phase precipitated at the γ grain boundaries. At 1173 K (900 °C), a γ → ε1 phase transformation occurred by massive precipitation. Prolonged annealing at 1173 K (900 °C) led to a lamellar structure of ε2 and σ phases at ε1/ε1 boundaries by a discontinuous/cellular reaction, expressed by the reaction equation ε1 → ε2 + σ. After decreasing the aging temperature to 973 K (700 °C), transformation from the γ to the ε phase occurred mainly by isothermal martensitic transformation, but a lathlike massive ε1 phase and ε2/σ lamellar colonies were also observed at the original γ-grain boundaries. It is likely that not adding carbon results in the promotion of the massive transformation and the precipitation of the σ phase during isothermal aging in the Co-29Cr-6Mo alloy system, whose composition corresponds to the ASTM F75 standard for metallic materials for surgical implantation. The resultant isothermal transformation behavior of the present alloy is described on the basis of thermodynamic calculations using Thermo-Calc. Martensite Martensitic Transformation Massive Transformation Phase Transformation Behavior Isothermal Martensite Matsumoto, Hiroaki aut Chiba, Akihiko aut Enthalten in Metallurgical and materials transactions / A Springer US, 1994 41(2010), 10 vom: 25. Juni, Seite 2613-2625 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:41 year:2010 number:10 day:25 month:06 pages:2613-2625 https://doi.org/10.1007/s11661-010-0273-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2027 GBV_ILN_4116 GBV_ILN_4313 GBV_ILN_4319 GBV_ILN_4700 AR 41 2010 10 25 06 2613-2625 |
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isothermal phase transformation in biomedical co-29cr-6mo alloy without addition of carbon or nitrogen |
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Isothermal Phase Transformation in Biomedical Co-29Cr-6Mo Alloy without Addition of Carbon or Nitrogen |
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Abstract The isothermal phase transformation behavior in a biomedical Co-29Cr-6Mo alloy without carbon or nitrogen was investigated during aging at temperatures between 973 K and 1273 K (700 °C and 1000 °C) for up to 90 ks. Transformation from the γ to the ε phase did not occur at 1273 K (1000 °C) as the γ phase was more stable than the ε phase, and the σ phase precipitated at the γ grain boundaries. At 1173 K (900 °C), a γ → ε1 phase transformation occurred by massive precipitation. Prolonged annealing at 1173 K (900 °C) led to a lamellar structure of ε2 and σ phases at ε1/ε1 boundaries by a discontinuous/cellular reaction, expressed by the reaction equation ε1 → ε2 + σ. After decreasing the aging temperature to 973 K (700 °C), transformation from the γ to the ε phase occurred mainly by isothermal martensitic transformation, but a lathlike massive ε1 phase and ε2/σ lamellar colonies were also observed at the original γ-grain boundaries. It is likely that not adding carbon results in the promotion of the massive transformation and the precipitation of the σ phase during isothermal aging in the Co-29Cr-6Mo alloy system, whose composition corresponds to the ASTM F75 standard for metallic materials for surgical implantation. The resultant isothermal transformation behavior of the present alloy is described on the basis of thermodynamic calculations using Thermo-Calc. © The Minerals, Metals & Materials Society and ASM International 2010 |
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Abstract The isothermal phase transformation behavior in a biomedical Co-29Cr-6Mo alloy without carbon or nitrogen was investigated during aging at temperatures between 973 K and 1273 K (700 °C and 1000 °C) for up to 90 ks. Transformation from the γ to the ε phase did not occur at 1273 K (1000 °C) as the γ phase was more stable than the ε phase, and the σ phase precipitated at the γ grain boundaries. At 1173 K (900 °C), a γ → ε1 phase transformation occurred by massive precipitation. Prolonged annealing at 1173 K (900 °C) led to a lamellar structure of ε2 and σ phases at ε1/ε1 boundaries by a discontinuous/cellular reaction, expressed by the reaction equation ε1 → ε2 + σ. After decreasing the aging temperature to 973 K (700 °C), transformation from the γ to the ε phase occurred mainly by isothermal martensitic transformation, but a lathlike massive ε1 phase and ε2/σ lamellar colonies were also observed at the original γ-grain boundaries. It is likely that not adding carbon results in the promotion of the massive transformation and the precipitation of the σ phase during isothermal aging in the Co-29Cr-6Mo alloy system, whose composition corresponds to the ASTM F75 standard for metallic materials for surgical implantation. The resultant isothermal transformation behavior of the present alloy is described on the basis of thermodynamic calculations using Thermo-Calc. © The Minerals, Metals & Materials Society and ASM International 2010 |
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Abstract The isothermal phase transformation behavior in a biomedical Co-29Cr-6Mo alloy without carbon or nitrogen was investigated during aging at temperatures between 973 K and 1273 K (700 °C and 1000 °C) for up to 90 ks. Transformation from the γ to the ε phase did not occur at 1273 K (1000 °C) as the γ phase was more stable than the ε phase, and the σ phase precipitated at the γ grain boundaries. At 1173 K (900 °C), a γ → ε1 phase transformation occurred by massive precipitation. Prolonged annealing at 1173 K (900 °C) led to a lamellar structure of ε2 and σ phases at ε1/ε1 boundaries by a discontinuous/cellular reaction, expressed by the reaction equation ε1 → ε2 + σ. After decreasing the aging temperature to 973 K (700 °C), transformation from the γ to the ε phase occurred mainly by isothermal martensitic transformation, but a lathlike massive ε1 phase and ε2/σ lamellar colonies were also observed at the original γ-grain boundaries. It is likely that not adding carbon results in the promotion of the massive transformation and the precipitation of the σ phase during isothermal aging in the Co-29Cr-6Mo alloy system, whose composition corresponds to the ASTM F75 standard for metallic materials for surgical implantation. The resultant isothermal transformation behavior of the present alloy is described on the basis of thermodynamic calculations using Thermo-Calc. © The Minerals, Metals & Materials Society and ASM International 2010 |
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