Precursors of thermoelastic Fcc-Fct martensite transformation of Fe3Pt alloys

被引：1
作者：
Oshima, R [1 ]
Muto, S
Takahashi, M
机构：
[1] Univ Osaka Prefecture, Res Inst Adv Sci & Technol, Sakai, Osaka 5998570, Japan
[2] Nagoya Univ, Ctr Integrated Res Sci & Engn, Nagoya, Aichi 4648606, Japan
[3] Osaka Univ, Joining & Welding Res Inst, Ibaraki, Osaka 5670047, Japan
来源：
SHAPE MEMORY MATERIALS | 2000年 / 327-3卷
关键词：
iron-platinum alloy; precursor; lattice softening; Young's modulus; thermoelastic martensite transformation; neutron inelastic scattering; transmission electron microscopy;
D O I：
10.4028/www.scientific.net/MSF.327-328.445
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Precursor phenomena of thermoelastic martensite transformations of Fc(3)Pt have been studied by mechanical tests, X-ray diffractometry, transmission electron microscopy and neutron inelastic scattering measurements, The ordered austenite with an Ll(2) structure becomes soft markedly at temperatures below 200E;, It was also confirmed that the TA mode along [011] directions of the alloy became soft at zone boundaries of the reciprocal space with approaching to the transition temperature. The observed precursor phenomena are considered to be related to the thermoelastic fcc-fct martensite transformation.
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页码：445 / 448
页数：4
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