書誌事項
- タイトル別名
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- Fatigue Crack Propagation Characteristic and Fatigue Fracture Toughness in 780 MPa Grade High Strength Steel Weldments at Low Temperature
- テイオン ニ オケル 780MPaキュウ コウチョウリョク コウ ヨウセツ カ
- Fatigue Crack Propagation Characteristic and Fatigue Fracture Toughness in 780 MPa Grade High Strength Steel Weldments at Low Temperature
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Fatigue test and fracture toughness test in 780 MPa grade high strength steel weldments in the temperature range from 98 K to room temperature were experimentally carried out. Both the tests were performed with a compact tension specimen by using a program-load-controlled 0.98 MN fatigue testing machine.<BR>Main results obtained are summarized as follows:<BR>(1) The fatigue crack propagation rate in the base metal shows a similar value in both the weld metal and HAZ.<BR>(2) The trend of fatigue crack propagation characteristic in weldments in the temperature range from 223 K to room temperature is in good agreement with the dislocation dynamics theory of fatigue crack propagation.<BR>(3) Fatigue fracture toughness, Kfc and fracture toughness, Kc in the base metal are larger than in both the weld metal and HAZ.
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 47 (7), 596-602, 1983
公益社団法人 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
- 1390282681461905280
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- NII論文ID
- 130007338576
- 40002875623
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- NII書誌ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 2598968
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- JaLC
- NDL
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