Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Distribution Characteristics of Residual Compressive Stresses Induced by Shot-peening in the Aircraft Structural Material

항공기 구조용 재료의 쇼트피닝에 의한 압축 잔류응력의 분포 특성

  • 이환우 (경남대학교 기계자동화공학부) ;
  • 박영수 (경남대학교 기계자동화공학부 대학원)
  • Published : 2004.05.01
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Abstract

Residual stresses can have a significant influence on the fatigue lives of structural engineering components. For the accurate assessment of fatigue lifetimes a detailed knowledge of the residual stress profile is required. Significant advances have been made in recent years fur obtaining accurate and reliable determinations of residual stress distributions. These include both experimental and numerical methods. The purpose of this study is to simulate peening process with the help of the finite element method in order to predict the magnitude and distribution of the residual stresses in accordance with the parameters, which are, e.g. shot velocity, shot diameter, shot impact angle, shot shape, distance between two impinging shots, and material parameters.

Keywords

References

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