Improved productivity through failure analysis: Case studies in precision forging of aerospace components

被引：12

作者：

Krishnadev, M. R. ^{[1
]}

Jain, S. C. ^{[1
]}

机构：

[1] Univ Laval, Dept Min Met & Mat Engn, Ste Foy, PQ G1K 7P4, Canada

来源：

ENGINEERING FAILURE ANALYSIS | 2007年 / 14卷 / 06期

基金：

加拿大自然科学与工程研究理事会;

关键词：

failure analysis; dies; steels; metallography; productivity;

D O I：

10.1016/j.engfailanal.2006.11.056

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this study, usefulness of failure analysis in improving productivity through selection of better materials and heat treatments that delay or prevent the on set of fracture in precision forging of aerospace components is illustrated. Examples have been taken from failed cold working dies, hot forging dies and broaches. Detailed metallographic analysis of the microstructures and fractures has pinpointed the sources and mechanisms of failure. This, in turn, has indicated the means of preventing such failures in service and, in improving die life and performance, by using advanced materials and optimizing heat treatments and surface engineering treatments. (C) 2006 Elsevier Ltd. All rights reserved.

引用

页码：1053 / 1064

页数：12

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