PRESSURE-INDUCED REVERSE MARTENSITIC TRANSITION IN FE07NI03

被引:3
作者
YAMAMOTO, K [1 ]
ASANO, M [1 ]
ENDO, S [1 ]
OOMI, G [1 ]
机构
[1] KUMAMOTO UNIV,FAC GEN EDUC,DEPT PHYS,KUMAMOTO 860,JAPAN
来源
MATERIALS TRANSACTIONS JIM | 1991年 / 32卷 / 04期
关键词
REVERSE MARTENSITIC TRANSITION; PRESSURE; FE0.7NI0.3; ELECTRIC RESISTANCE; X-RAY DIFFRACTION;
D O I
10.2320/matertrans1989.32.305
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
An alloy Fe0.7Ni0.3 has been studied under high pressure up to 45 GPa by X-ray diffraction and an electric resistance measurement. The bcc alpha'-martensitic phase is transformed to a fcc gamma-austenitic phase at 8 GPa at room temperature. This transition is accompanied by the volume reduction of 0.17 x 10(-6) m3/mol and a large resistance increase. The decrease of the austenite-start temperature, A(s), from 623 K at ambient pressure to room temperature at 8 GPa gives the mean value of dA(s)/dP = -40.4 K/GPa. The entropy change of DELTA-S = 4.23 J/mol.K is obtained for the reverse martensitic transition.
引用
收藏
页码:305 / 307
页数:3
相关论文
共 8 条
  • [1] ENDO S, 1987, HIGH PRESSURE RES MI, P29
  • [2] EFFECT OF HYDROSTATIC-PRESSURE ON MARTENSITIC TRANSFORMATIONS IN FE-NI AND FE-NI-C ALLOYS
    KAKESHITA, T
    SHIMIZU, K
    AKAHAMA, Y
    ENDO, S
    FUJITA, FE
    [J]. TRANSACTIONS OF THE JAPAN INSTITUTE OF METALS, 1988, 29 (02): : 109 - 115
  • [3] KAUFMAN L, 1956, T AM I MIN MET ENG, V206, P1393
  • [4] KAUFMAN L, 1971, P INT C METALLURGICA
  • [5] KORENKO MK, 1973, THESIS MIT CAMBRIDGE
  • [6] LESLIE WC, 1964, HIGH STRENGTH MATERI, P382
  • [7] ROHDE RW, 1968, T METALL SOC AIME, V242, P2017
  • [8] ROHDE RW, 1969, T METALL SOC AIME, V245, P2441