Application of infrared radiation heating method to evaluation of thermal shock resistance of cermet

Takashi Koyama, Kiyohiro Teruuchi, Teruyoshi Tanase, Mitsue Ogawa, Soon Gi Shin, Hideaki Matsubara

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Thermal shock resistance of cermets was tried to evaluate by the infrared radiation heating method that a thin circular disk is heated and fractured by infrared ray concentrated on the central area with a constant heat flux. Thermal shock fracture toughness R2c could be measured for specimens with an edge notch, while thermal shock strength R1c could not for the specimens without the notch. It was thought, however that R2c might depend on radius of curvature of the edge notch. Using the data of R2c, thermal shock strength R1c was calculated from the consideration of stress concentration. As a result, it was considered that thermal shock strength R1c could be applied to evaluation of thermal shock resistance of cermet ,and thermal shock resistance of Ti(C,N)-Mo2C-Ni cermets increased with an increase in the content of nitrogen and Ni.

Original languageEnglish
Pages (from-to)247-252
Number of pages6
JournalFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
Volume44
Issue number3
DOIs
Publication statusPublished - 1997 Jan 1

Keywords

  • Cermet
  • Fracture toughness
  • Infrared radiation heating
  • Thermal shock resistance

ASJC Scopus subject areas

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

Fingerprint Dive into the research topics of 'Application of infrared radiation heating method to evaluation of thermal shock resistance of cermet'. Together they form a unique fingerprint.

  • Cite this