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- Horton J. A.
- Metals and Ceramics Division, Oak Ridge National Laboratory
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- Herchenroeder J. W.
- Magnequench International, Inc.
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- Wright J. L.
- Metals and Ceramics Division, Oak Ridge National Laboratory
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- Easton D. S.
- Metals and Ceramics Division, Oak Ridge National Laboratory
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Nd2Fe14B is currendy the best (highest energy product) hard magnet available. Like mostmagnetic materials, it is rather brittle. The fracture toughness of specimens of commercially available hard magnets were measured using a chevron notch, three-point bend test. Values for Nd2Fe14B magnets ranged from 2.5 to 5.5 MPa√m. In comparison, SmCo5 was measured to have a fracture toughness of 1.9 MPa√m. It appears that this testing technique will allow differences in fracture toughness to be measured between alloys with different compositions and fabricated by different production methods and should be able to track the fracture toughness as improvements are made to a particular alloy.
収録刊行物
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- Materials Transactions, JIM
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Materials Transactions, JIM 37 (4), 860-863, 1996
社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001204247737728
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- NII論文ID
- 10002448916
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- NII書誌ID
- AA10699969
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- COI
- 1:CAS:528:DyaK28XjsFyjtr0%3D
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- ISSN
- 2432471X
- 09161821
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- 本文言語コード
- en
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- データソース種別
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- JaLC
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