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

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

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)1099-1103
Number of pages5
JournalJournal of Intelligent Material Systems and Structures
Volume17
Issue number12
DOIs
Publication statusPublished - Dec 1 2006
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanical Engineering

Fingerprint Dive into the research topics of 'Feasibility study on smart coating for failure prevention under thermo-mechanical fatigue loading'. Together they form a unique fingerprint.

  • Cite this