Fracture and deformation properties of Ni-Fe superalloy in cryogenic high magnetic field environments

被引：13

作者：

Yamaguchi, Y ^{[1
]}

Horiguchi, K ^{[1
]}

Shindo, Y ^{[1
]}

Sekiya, D ^{[1
]}

Kumagai, S ^{[1
]}

机构：

[1] Tohoku Univ, Grad Sch Engn, Dept Mat Proc, Sendai, Miyagi 9808579, Japan

来源：

CRYOGENICS | 2003年 / 43卷 / 08期

关键词：

metals (A); structural materials (A); liquid helium (B); mechanical properties (C); superconducting magnets (F);

D O I：

10.1016/S0011-2275(03)00123-1

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The present paper includes experimental and analytical data on the fracture properties of a nickel-iron superalloy, a ferromagnetic austenite, at 4 K in magnetic fields of 0 and 6 T. The tensile, notch tensile and small punch tests are employed. A finite element analysis is also performed to convert the experimentally measured load-displacement data into useful engineering information. To interpret the results we review the available theory of the influence of magnetic field on the stress intensity factor for a crack in ferromagnetic materials. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：469 / 475

页数：7

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