書誌事項
- タイトル別名
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- Dissimilarities and Similarities between Thermo-Mechanical and Isothermal Low Cycle Fatigues of a Titanium Alloy Matrix Composite, SP700/SCS-6
- 連続繊維強化SP700/SCS-6チタン基複合材料の熱機械的疲労と高温低サイクル疲労の非類似性と類似性
- レンゾク センイ キョウカ SP700 SCS 6 チタンキ フクゴウ ザイリョウ ノ ネツ キカイテキ ヒロウ ト コウオン テイサイクル ヒロウ ノ ヒルイジセイ ト ルイジセイ
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Behavior of thermo-mechanical fatigue (TMF) failure of a new generation titanium alloy matrix composite, SP700/SCS-6, was studied, based on a series of investigations on ; (i) mechanical properties under monotonic loading of the SP-700/SCS-6 composite and the matrix alloy; (ii) fiber push-out tests to represent the fiber/matrix interfacial strength at elevated temperatures ; (iii) isothermal low cycle fatigue (ILCF) tests, (iv) interfacial reaction zone to characterize the microscopic damage evolution under the TMF test and the thermal cycle test without external load. A special focus was paid to understand both the mechanisms of TMF failure, and the dissimilarities and the similarities between the TMF and ILCF failures. From the results of these tests, it was shown that the differences of damage characteristics may be concerned with the degradation of the fiber/matrix interface by the crack propagation and reaction layer due to thermal cycles. These systematic investigations showed that the lives and the failure mechanisms of the TMF should be clearly distinguished from those of the isothermal ILCF, whereas there were a few similarities between them. It was also suggested the difference should be primarily originated from the cracking by the repeat of the thermal cycle and the resultant change in fiber/matrix adhesion strength.
収録刊行物
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- 材料
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材料 54 (3), 265-270, 2005
公益社団法人 日本材料学会
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詳細情報 詳細情報について
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- CRID
- 1390282680395386880
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- NII論文ID
- 110006266484
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- NII書誌ID
- AN00096175
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- ISSN
- 18807488
- 05145163
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- NDL書誌ID
- 7284142
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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
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可