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Notch sensitivity of heavily cold-rolled Ni3Al foils |
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| Authors: | Chuanyong Cui Masahiko Demura Katsuhiro Hasegawa Tetsuya Ohashi Kyosuke Kishida Toshiyuki Hirano |
| Affiliation: | aNational Institute for Materials Science, 1-2-1 Sengen, Tsukuba 305-0047, Japan;bKitami Institute of Technology, Koencho 165, Kitami 090-8507, Japan |
| Abstract: | The notch sensitivity of 95% cold-rolled Ni3Al foils was examined using double U-notched tensile specimens. The foils were found to be essentially insensitive to the presence of the notch. Plastic deformation occurred locally at the notch root to relieve the stress concentration, resulting in the notch insensitivity. |
| Keywords: | Intermetallic compounds Nickel aluminides Rolling Tension test Shear band Local plastic deformation |
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