Study for the Evaluation of Micro Fracture Process on Metal/Ceramics Composites by Means of an Acoustic Emission Technique

Masahiro Saito, Hee Don Jeong, Hideaki Takahashi, Akira Kawasaki, Ryuzou Watanabe

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Fracture toughness test and Modified Small Punch(MSP) test by use of Acoustic Emission(AE) Technique were performed on Y2O3 stabilized ZrO2, 3mol% Y2O3 - ZrO2 (PSZ)/SUS composite materials, and Macor which is a machinable ceramics. MSP testing method(miniaturized test technique) was developed to determine fracture strength, and fracture strain with high accuracy and good reproducibility, where AE monitoring was also made. From these results, AE characteristics of various materials were compared, and microscopic fracture mechanism was discussed on the basis of the AE results. Furthermore, the AE for stress induced transformation in 3, 4 mol% Y2O3 - ZrO2 were also examined.

Original languageEnglish
Pages (from-to)300-306
Number of pages7
Journaljournal of the japan society of powder and powder metallurgy
Volume37
Issue number2
DOIs
Publication statusPublished - 1990

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry

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