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Prevention of Delayed Fracture by Overloading Effect in Spring Steel SUP9
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- MIZUKAMI Hiroshi
- NHK Spring Co., Ltd.
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- TAKAHASHI Koji
- Yokohama National University
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- ANDO Kotoji
- Yokohama National University
Bibliographic Information
- Other Title
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- 過大予荷重効果によるばね鋼SUP9の遅れ破壊の阻止
- カダイ ヨ カジュウ コウカ ニ ヨル バネ コウ SUP9 ノ オクレ ハカイ ノ ソシ
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Description
The effects of overload on the threshold stress intensity factor of delayed fracture (KIHE) for spring steel were studied. Firstly, tensile overload was applied to a wedge engraved SUP9 specimen (Wedge Opening Load; WOL specimen), then delayed fracture tests were carried out to determine the resultant KIHE. It developed that the value of KIHE increased together with the stress intensity factor KOV by applying tensile overload. The effects of tensile overloading on KIHE were evaluated based on the theory of fracture mechanics. The KIHE correlates with the KOV, and the predicting equation has been established.
Journal
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- Transactions of Japan Society of Spring Engineers
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Transactions of Japan Society of Spring Engineers 2011 (56), 1-5, 2011-04-28
Japan Society of Spring Engineers
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Details 詳細情報について
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- CRID
- 1390282680192211840
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- NII Article ID
- 130004748181
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- NII Book ID
- AN00205485
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- ISSN
- 13481479
- 03856917
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- NDL BIB ID
- 11110982
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed