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| DEFORMATION MARTENSITE IN METASTABLE REGION OF Fe-Mn-Al-Cr SYSTEM |
| TIAN Xing; ZHANG Yansheng (Institute of Metal Research; Academia Sinica; Shengyang) (Manuscript received 10 June; 1985; revised manuscript 17 January; 1986) |
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Cite this article:
TIAN Xing; ZHANG Yansheng (Institute of Metal Research; Academia Sinica; Shengyang) (Manuscript received 10 June; 1985; revised manuscript 17 January; 1986). DEFORMATION MARTENSITE IN METASTABLE REGION OF Fe-Mn-Al-Cr SYSTEM. Acta Metall Sin, 1987, 23(3): 237-239.
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Abstract The deformation a′-martensite in metastable Fe-Mn-Al-Cr alloys with the composition of 15—25wt-％Mn, 0-1.5wt-％Al, 0-0.4wt-％C and 0-1.2wt-％Cr has been studied by means of tensile tests at room temperature and -196℃. The following relationship between the quatity of deformation a′-martensite and the degree of deformation was confirmed: ln[a′/(1 -a′)]=lnA+Klnψ Statistical analysis shows that either lnA or K vary with the composition of alloys linearly at room temperature or-196℃.
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Received: 18 March 1987
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1 Angel T. J Iron Steel Inst, 1954; 177: 165
2 Ludwigson D C, Berger J A. J Iron Steel Inst, 1965; 207: 63
3 田兴,张彦生,师昌绪.金属学报,1986;22:A 101# |
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