Feasibility study on smart coating for failure prevention under thermo-mechanical fatigue loading

Hiroyuki Toda, Michihiro Toyoda, Toshiro Kobayashi, Toshikazu Akahori, Mitsuo Niinomi

研究成果: ジャーナルへの寄稿学術誌査読

3 被引用数 (Scopus)

抄録

In this article, a new concept of smart coating is presented, which enables failure prevention under thermo-mechanical fatigue loading by a simple coating without using any external devices. The feasibility of arresting fatigue crack propagation under thermo-mechanical loading is experimentally demonstrated for an Al-Si practical casting alloy by applying a simple and inexpensive coating prior to usage. An Sn alloy has been chosen as a coating material as a result of extensive screening tests. Valuable mechanistic insight has been gained from numerical simulation indicating that the crack driving force can be reduced by the crack closure mechanism induced by the impregnation of coating material.

本文言語英語
ページ(範囲)1099-1103
ページ数5
ジャーナルJournal of Intelligent Material Systems and Structures
17
12
DOI
出版ステータス出版済み - 12月 1 2006
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 機械工学

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