書誌事項
- タイトル別名
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- Static and Dynamic Fracture Toughness of Ductile Cast Iron.
- キュウジョウ コクエン チュウテツ ニ オケル セイテキ オヨビ ドウテキ ハ
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説明
In the present study, crack extension behavior and fracture toughness of ductile cast iron are examined by three-point bending tests with various detection methods of crack initation under static and dynamic loading conditions. Loading on specimens is interrupted at various displacement points, and fracture surfaces of the specimens are observed by scanning electron microscopy (SEM). Each method is effective in detecting the strict crack initiation at the middle of specimen thickness under static and dynamic loading conditions. J (mid) is proposed to define the fracture toughness of ductile cast iron. Crack tip opening displacement(CTOD) under the dynamic loading condition is smaller according to the results of calculation and SEM observation. It is considered that crack initiation under the dynamic loading condition is accelerated since the plastic deformation cannot follow up deflection of the specimen.
収録刊行物
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- 日本機械学会論文集A編
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日本機械学会論文集A編 58 (555), 2088-2093, 1992
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390282679395936896
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- NII論文ID
- 110002371273
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- NII書誌ID
- AN0018742X
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- ISSN
- 18848338
- 03875008
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- NDL書誌ID
- 3798385
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- NDLサーチ
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- 抄録ライセンスフラグ
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