Influence of Retained Austenite on the Mechanical Properties of Low Carbon Martensitic Stainless Steel Castings
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- Akhavan Tabatabae Behnam
- Department of Materials Engineering, Isfahan University of Technology
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- Ashrafizadeh Fakhreddin
- Department of Materials Engineering, Isfahan University of Technology
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- Hassanli Ali Morad
- University of Shiraz and University of South Australia, School of Natural and Built Environments
書誌事項
- 公開日
- 2011
- DOI
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- 10.2355/isijinternational.51.471
- 公開者
- 一般社団法人 日本鉄鋼協会
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説明
The amount of retained austenite formed during tempering process can moderately improve the structure and properties of martensitic stainless steels. In the present study, 25 heat treatment cycles were carried out on specimens cast in CA6NM in order to investigate the effect of tempering treatment on the structure and mechanical properties of this alloy. X-Ray diffraction, mechanical testing, optical and scanning electron microscopy were employed for evaluation of the specimens. SEM micrographs and X-ray diffraction patterns indicated that with enhancement of tempering temperature, the amount of retained austenite initially increased and then decreased. The changes in mechanical properties of specimens including hardness, impact toughness, elongation, yield and tensile strength were found to depend mainly on the amount of retained austenite. Such variations are discussed in terms of amount of retained austenite and its stability during tempering process of martensite.
収録刊行物
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- ＩＳＩＪ Ｉｎｔｅｒｎａｔｉｏｎａｌ
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ＩＳＩＪ Ｉｎｔｅｒｎａｔｉｏｎａｌ 51 (3), 471-475, 2011
一般社団法人 日本鉄鋼協会
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詳細情報 詳細情報について
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- CRID
- 1390282681463545856
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- NII論文ID
- 10029580433
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- NII書誌ID
- AA10680712
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- ISSN
- 13475460
- 09151559
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
