Transactions of the Korean Society of Mechanical Engineers A (대한기계학회논문집A)

The Korean Society of Mechanical Engineers (대한기계학회)
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Measurement of Stress Intensity Factor of Orthotropic Material Using SPATE

SPATE에 의한 직교이방성체의 응력확대계수 측정

  • Hwang, Jae-Seok (Dept.of Mechanical Engineering, Yeungnam University) ;
  • Suh, Jae-Guk ;
  • Lee, Hyo-Jae (Dept.of Mechanical Engineering, Graduate School of Yeungnam University) ;
  • Nam, Jeong-Hwan ;
  • Rpwlands, R.E. (Dept. of Mech. Engr. and Astronautics.Univ. of Wisconsin-Madison)
  • 황재석 (영남대학교 기계공학과) ;
  • 서재국 (경동전문대학 산업공학과) ;
  • 이효재 (영남대학교 대학원 기계공학과) ;
  • 남정환 ( 영남대학교 산업기술대학원) ;
  • Published : 1996.10.01
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Abstract

SPATE(Stress Pattern Analysis by Thermal Emission) can be effectively used to analyze the stress distribution of the orthotropic structure under the repeated load by non-contact. In this research, the measuring conception and method of stress intensity factor of orthotropic material using SPATE are suggested. The relationships between the maximum values of SPATE signal and $1/\sqrt{X'}$ (or $1/\sqrt{y'}$) are theoretically established in the vicinity of crack tip of the orthotropic material. It is certified through SPATE experiment that their linear quality is very excellent.

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