Measurement of Residual Stress in Diesel Engine Castings

Author:

Liu Ke1,Zhang Cheng1,Pu Yong Kang2,Hu Hua Lin2,Wu Zheng An1

Affiliation:

1. Shanghai Institute of Technology

2. CSR Qishuyan Co., Ltd

Abstract

The mechanical properties of materials and structural components, notably fatigue life, brittle fracture, dimensional stability, deformation and crack propagation can be considerably influenced by residual stresses inside bodies. Accordingly, residual stresses analysis is a compulsory stage in the design of parts and structural elements and in the estimation of their reliability under real service conditions. In this paper, x-ray diffraction and hole-drilling method were used to measure residual stresses in diesel iron castings. The purpose is to determine the residual stresses distribution and analyze the annealing process on the influence of residual stress.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

Reference5 articles.

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2. Macherauch E, Kloos KH. Origin, measurements and evaluation of residual stresses. Residual Stress Sci Technol 1987: 3–26.

3. Olabi AG, Hashmi MSJ. Stress relief procedures for low carbon steel (1020)welded components. J Mater Process Technol 1996; 56: 552–62.

4. Scholtes B. Residual stress analysis of components with real geometries using the incremental hole-drilling technique and a differential evaluation method. Kassel university press GmbH; (2007).

5. DeWald AT, Hill MR. Improved data reduction for the deep hole method of residual stress measurement. J Strain Anal 2003; 38(1): 65–78.

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