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Influence of the Hole Eccentricity in Residual Stresses Measurement by the Hole-drilling Method
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 Title & Authors
Influence of the Hole Eccentricity in Residual Stresses Measurement by the Hole-drilling Method
Kim, Cheol; Seok, Chang-Seong; Yang, Won-Ho;
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 Abstract
The measurement of residual stresses by the hole-drilling method has been commonly used to evaluate residual stresses in structural members. In this method, one of the source of error is due to the misalignment between the drilling hole and strain gage center. This paper presents a finite element analysis of the influence of such misalignment for the uniaxial residual stress field. The stress error increases proportionally to hole eccentricity. The correction equations which easily obtain the residual stress taking account of the hole eccentricity are derived. The stress error due to the hole eccentricity decreases by approximately one percent using this equations.
 Keywords
Hole-Drilling Method;Finite Element Analysis;Residual Stress;Hole Eccentricity;
 Language
Korean
 Cited by
1.
역전파신경망을 이용한 구멍뚫기법의 편심 오차 예측,김철;양원호;허성필;정기현;

대한기계학회논문집A, 2002. vol.26. 3, pp.436-444 crossref(new window)
2.
변위 측정을 기본으로 한 구멍뚫기방법에 의한 잔류응력 측정 방법,신동일;주진원;

대한기계학회논문집A, 2005. vol.29. 11, pp.1542-1550 crossref(new window)
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