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ASM Handbook

Metals Process Simulation

Edited by
D.U. Furrer
D.U. Furrer
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S.L. Semiatin
S.L. Semiatin
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ASM International
Volume
22B
ISBN electronic:
978-1-62708-197-9
Publication date:
2010
Book Chapter

Modeling of Residual Stress and Machining Distortion in Aerospace Components

By
Kong Ma
Kong Ma
Rolls-Royce
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Robert Goetz
Robert Goetz
Rolls-Royce
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Shesh K. Srivatsa
Shesh K. Srivatsa
GE Aviation
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Published:
2010
Page range:
386 - 407
Publication history
July 13, 2010

Abstract

Modeling will help reduce machining problems and thereby enable more rapid introduction of high-performance materials and components. This article discusses the technical needs of aircraft engine and airframe structural components and modeling of heat-treat-induced residual stress by finite-element residual-stress analysis. It describes the two-dimensional (2-D) and three-dimensional (3-D) procedures involved in finite-element residual-stress analysis. The article deals with the 2-D and 3-D machining distortion validation on engine-disk-type components. It describes methods for obtaining machining-induced residual stresses, including detailed finite-element analysis of the cutting process, the simple fast-acting mechanistic model, and the semi-empirical linear stress model. The article concludes with information on the modeling benefits and implementation of modeling in a production environment.

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Kong Ma, Robert Goetz, Shesh K. Srivatsa, 2010. "Modeling of Residual Stress and Machining Distortion in Aerospace Components", Metals Process Simulation, D.U. Furrer, S.L. Semiatin

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