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논문 기본 정보

자료유형
학술대회자료
저자정보
Akira Shimanoto (Saitama Institute of Technology) Hiroshi Ohkawara (Saitama Institute of Technology) Sung-Mo Yang (전북대학교)
저널정보
대한기계학회 대한기계학회 춘추학술대회 대한기계학회 2004년도 추계 학술대회 강연 및 발표 논문집
발행연도
2004.10
수록면
104 - 109 (6page)

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Today, the stress measurement methods by thermography and by photoelasticity are widely used as the methods of making stress distribution visible. However, it is difficult to separate principal stresses by one of the methods because only the difference of the principal stresses is measured in photoelasticity, and only the sum of the principal stresses is measured in thermograpy. Therefore, the inverse analysis problem must be solved for separating the principal stress in the thermoelastic method and the shear difference integration method must be used for the photoelastic method. Although there are some reports of the principal stresses separation under uniaxial stress by combining two methods, the research under the biaxial stress is hardly reported due to the difficulty in experiments. In this research, the principal stresses under biaxial stress are separated by the combined method. Moreover, it is verified that the thermoelastic stress measurement method is effective to evaluate the stress concentration factor.

목차

Abstract
Introduction
Principle of Infrared Stress Measurement
The theory of the stress concentration factor under biaxial stress
Test Specimen and Experimental Method
Experimental result and consideration
The principal stress separation on the hole and the elliptical hole edge vicinity
Conclusions
Acknowledgements
References

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UCI(KEPA) : I410-ECN-0101-2010-550-003134850