预变形对Ni-Mn-Ga合金马氏体相变的影响

稀有金属材料与工程, 2004, 33(3): 254-257.

预变形对Ni-Mn-Ga合金马氏体相变的影响

高智勇 ^1, , 蔡伟 ^2, , 赵连城 ^3, , 王文洪 ^4, , 吴光恒 ^5, , 詹文山 ^6, , 沈保根 ^7,

1.哈尔滨工业大学,黑龙江,哈尔滨,150001

2.哈尔滨工业大学,黑龙江,哈尔滨,150001

3.哈尔滨工业大学,黑龙江,哈尔滨,150001

4.中国科学院物理所,北京,100080

5.中国科学院物理所,北京,100080

6.中国科学院物理所,北京,100080

7.中国科学院物理所,北京,100080

基金项目: 国家自然科学基金(5013010)

关键词： Ni-Mn-Ga合金 , 马氏体相变 , 相变滞后 , 弹性应变能

Effect of Pre-deformation Strain on Martensitic Transformation of Ni-Mn-Ga Alloy

研究了形变对Ni-Mn-Ga合金马氏体相变及其组织形态的影响,并应用马氏体相变热力学和动力学探讨了适当塑性变形后马氏体相变滞后得以大幅度提高的微观本质.结果表明,随着应变量的增加,马氏体相变温度几乎保持不变,而其逆相变温度则迅速升高,塑性应变导致储存在界面处的弹性应变能的释放是塑性变形提高合金相变滞后的主导因素.

参考文献

[1]	刘礼华;杨恒;王利明 .The Application and Commercilization of NiTi Shape Memory Alloy in China[J].稀有金属材料与工程,2001(30):121-124.
[2]	贺志荣,周敬恩,古屋泰文.热处理和热循环对Ru-49Ta高温形状记忆合金马氏体相变行为的影响[J].稀有金属材料与工程,2003(09):703-706.
[3]	Lin H C;Wu S K;Chou T S .The Effect of Cold Rolling on the Martensitic Transformation of an Equiatomic TiNi Alloy[J].冶金材料学报,1991,39:2069.
[4]	Piao M;Otsuka K;Miyazaki S .Mechanism of the As Temperature Increase by Predeformation in Thermoelastic Alloys[J].Materials Transactions,1993,34:919.
[5]	赵连城 .Research and Applications of Shape Memory and Superelastic Alloys[J].稀有金属材料与工程,2001(30):81-86.
[6]	Liu Y;Galvin S P .Criteria for Pseudoelasticity in Near-equiatomic NiTi Shape Memory Alloys[J].Acta Materialia,1997,45:4431.
[7]	Duerig T W;Melton K;Proft J L.Wide Hysteresis Shape Memory Alloys[A].London:Btterworth-Hein-emann Press,1990:130.
[8]	Tong H G;Wayman M .Characteristic Temperature and Other Properties of Thermoelastic Martensites[J].Acta Materialia,1974,22:887.
[9]	G B Olson;M Cohen .Thermoelastic Behavior in Marten-sitic Transformations[J].Scripta Metallurgica et Materialia,1975,9:1247.
[10]	Chernenko V A;Cesari E;Kokorin V V;Vitenko I N .The Development of New Ferromagnetic Shape Memory Alloys in Ni-Mn-Ga System[J].Scripta Metallurgica et Materialia,1995,8(08):1239-1244.
[11]	K. Ullakko;J. K. Huang;V. V. Kokorin;R. C. O'Handley .MAGNETICALLY CONTROLLED SHAPE MEMORY EFFECT IN Ni2MnGa INTERMETALLICS[J].Scripta materialia,1997(10):1133-1138.
[12]	Ullakko K;Huang J K;Kanter C;O Handley R C, Kokorin V V .Large Magnetic-field-induced Strains in Ni2MnGa Single Crystals[J].Applied Physics Letters,1996(13):1966-1968.
[13]	James RD.;Wuttig M. .Magnetostriction of martensite[J].Philosophical Magazine.A.Physics of condensed matter, defects and mechanical properties,1998(5):1273-1299.

上一张下一张

计量

下载量()
访问量()

作者相关

文章评分

您的评分：
1

0%
2

0%
3

0%
4

0%
5

0%

材料期刊网

预变形对Ni-Mn-Ga合金马氏体相变的影响

Effect of Pre-deformation Strain on Martensitic Transformation of Ni-Mn-Ga Alloy

参考文献