1109 微視疲労き裂の挙動に注目した析出強化型ステンレス鋼A286の疲労強度特性(OS11-2 材料の疲労挙動と損傷評価-き裂発生・進展-)

呉 昊, 忍田 雄樹, 濱田 繁, 野口 博司

研究成果: Contribution to journalArticle

抄録

In order to claiify the fundamental fatigue strength characteristic of precipitation strengthening type stainless steel: A286, fatigue tests were performed. In the fatigue test, the authors paid attention to the behavior of small fatigue cracks in order to make clear fatigue strength properties more than usual fatigue test. As a result of the fatigue test, the fatigue strength characteristic of A286 became clear as shown below. The crack of a size according to a ciystal grain diameter initiates. The cracks are easy to initiate and propagate by Mode II. The fatigue crack does not become a non-propagating crack. Many cracks initiate and propagate even if the stress is around the fatigue limit. The cracks join together and it becomes a long crack, and fmally results in a failure. This is the reason why the fatigue failures occur even after 10^7 cycles.
寄稿の翻訳タイトル1109 Fatigue strength properties of precipitation strengthening stainless steel A286 focused attention on small fatigue crack behaviour
本文言語日本語
ページ(範囲)1007-1009
ページ数3
ジャーナルM&M材料力学カンファレンス
2010
0
DOI
出版ステータス出版済み - 2010

フィンガープリント

「1109 微視疲労き裂の挙動に注目した析出強化型ステンレス鋼A286の疲労強度特性(OS11-2 材料の疲労挙動と損傷評価-き裂発生・進展-)」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル