書誌事項
- タイトル別名
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- GS32 Improvement of rolling contact fatigue strength of ceramics by shot-peening
抄録
The effect of the shot-peening on rolling contact fatigue of Si_3N_4 was investigated. Additionally we tried to clarify damage mechanism of rolling contact fatigue. By shot-peening, high compressive residual stress -8500MPa can be introduced near the surface. The residual stress can improve apparent fracture toughness K_<IC> and Vickers hardness HV of Si_3N_4 by approximately 73% and 8%, respectively. As a result, bending strength of pre-cracked specimen was improved 27〜46% by shot-peening. The delamination damage was inhibited by shot-peening, and as a result rolling contact fatigue of the Si_3N_4 was improved. These results are achieved by the compressive residual stress which is introduced by shot-peening. These results indicate that shot-peening is effective method to make use of ceramics as a rolling contact member.
収録刊行物
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- M&M材料力学カンファレンス
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M&M材料力学カンファレンス 2012 (0), _GS32-1_-_GS32-3_, 2012
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
- 1390001205872789120
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- NII論文ID
- 110009937209
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- ISSN
- 24242845
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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
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可