Giant magnetic-field-induced strains in polycrystalline Ni–Mn–Ga foams

被引：0
|
作者：
M. Chmielus
X. X. Zhang
C. Witherspoon
D. C. Dunand
P. Müllner
机构：
[1] Boise State University,Department of Materials Science & Engineering
[2] Northwestern University,Department of Materials Science & Engineering
[3] Also at: GI-1,undefined
[4] Helmholtz Centre Berlin for Materials and Energy,undefined
[5] Glienicker Str. 100,undefined
[6] 14109 Berlin,undefined
[7] Germany (M.C.); Harbin Institute of Technology,undefined
[8] West Dazhi Street No. 92,undefined
[9] 150001,undefined
[10] Harbin,undefined
[11] P. R. China (X.X.Z.),undefined
[12] Harbin Institute of Technology,undefined
[13] West Dazhi Street No. 92,undefined
[14] 150001,undefined
[15] Harbin,undefined
[16] P. R. China (X.X.Z.),undefined
来源：
Nature Materials | 2009年 / 8卷
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中图分类号：
学科分类号：
摘要：
The magnetic-field-induced strain in magnetic shape-memory alloys can be used in several types of application. However, the strain is high (10%) only in single-crystalline specimens, which are difficult and expensive to obtain. Polycrystalline samples with comparable strain have now been fabricated by introducing pores of similar size to the grains.
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页码：863 / 866
页数：3
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