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金属学报  1986, Vol. 22 Issue (2): 13-20    
  论文 本期目录 | 过刊浏览 |
Fe-Mn-Al-Cr系亚稳奥氏体区γ→ε转变温度M_(εs)与成分的关系
田兴;张彦生;师昌绪
中国科学院金属研究所;中国科学院金属研究所;中国科学院金属研究所
RELATIONSHIP BETWEEN γ→εTRANSFORMATION TEMPERATURE M_(εs) AND COMPOSITION OF METASTABLE AUSTENITE REGION IN Fe-Mn-Al-Cr SYSTEM
TIAN Xing; ZHANG Yansheng; SHI Changxu (Institute of Metal Research; Academia Sinica; Shenyang)
引用本文:

田兴;张彦生;师昌绪. Fe-Mn-Al-Cr系亚稳奥氏体区γ→ε转变温度M_(εs)与成分的关系[J]. 金属学报, 1986, 22(2): 13-20.
, , . RELATIONSHIP BETWEEN γ→εTRANSFORMATION TEMPERATURE M_(εs) AND COMPOSITION OF METASTABLE AUSTENITE REGION IN Fe-Mn-Al-Cr SYSTEM[J]. Acta Metall Sin, 1986, 22(2): 13-20.

全文: PDF(1566 KB)  
摘要: 在Fe-Mn-Al-Cr系亚稳奥氏体区内,用膨胀法测定了40种合金的γ→ε-马氏体转变温度M_(es)。以多元线性回归方法处理实验结果,建立了M_(es)与合金成分关系的经验公式。经验公式中,1Wt-%的Al,C,Cr分别使Fe-Mn合金的M_(es)降低约51,339,8℃;这个结果与以前研究它们对Fe-Mn合金γ→ε-马氏体转变的影响和Ishida计算它们对Fe-Mn合金γ→ε相变驱动力的影响一致。根据γ→ε-马氏体转变的层错机制,简要讨论了Al,C和Cr对Fe-Mn合金M_(es)的影响。
Abstract:The γ→ε martensite transformation temperature M_(εs) of 40 metastable austenitic alloys in an Fe-Mn-Al-Cr system was determined by dilatometry. Resulting from the multicomponent linear regression an experience formula for a linear relationship between M_(εs) and alloy composition has been developed that each wt-% or Al, C and Cr may decrease 51, 339 and 8℃ of M_(εs) of Fe-Mn alloy respectively. It is in agreement with those of either previous allied works and Ishida's calculation for the influence of alloying elements on driving force of γ→ε transformation in Fe-Mn alloy. A brief discussion about the effect of Al, C or Cr on M_(εs) was also made referring to the mechanism of stacking fault for γ→ε martensite transformation.
收稿日期: 1986-02-18     
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