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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 19    Special 3    December 2009

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Thermomechanical effect on magnetic behaviors of antiferromagnetic Mn-Fe(Cu) alloy
PENG Wen-yi(彭文屹)1, CAI Fen-min(蔡芬敏)1, WANG Xiao-yu(王晓宇)2, 3, ZHANG Ji-hua(张骥华)2,

YANG Xiang-jie(杨湘杰)4, ZHANG Ai-sheng(章爱生)1, YAN Ming-ming(严明明)1, ZOU Hai-yang(邹海洋)1

Abstract:The effect of thermomechanical treatment on the magnetic properties of Mn85.5Fe9.0Cu0.5 alloy was studied by use of a materials testing machine, a vibrating sample magnetometer, an X-ray diffractometer, a homogeneously and adjustably magnetic field and strain gauges. The results show that the orientation of fct phase and magnetic domains is affected by the thermomechanical treatment. When the compressive strain of thermomechanical treatment is −1.2%, the magnetic-field-induced strain reaches the highest value in the adapted situation.

 

Key words: thermomechanical treatment; antiferromagnetic Mn-Fe(Cu) alloy; magnetic-field-induced strain; magnetization curve

ISSN 1672-7029
CN 43-1423/U

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