Failure Analysis of a High-Pressure Component

被引：0

作者：

Khan, A. Nusair ^{[1
]}

Qureshi, I. N. ^{[1
]}

Rizvi, S. A. ^{[1
]}

机构：

[1] Met div, Rawalpindi, Pakistan

来源：

JOURNAL OF FAILURE ANALYSIS AND PREVENTION | 2009年 / 9卷 / 04期

关键词：

AISI; 420; High-pressure component; Stainless steel; Failure analysis;

D O I：

10.1007/s11668-009-9246-x

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Martensitic stainless steel nuts were received for failure analysis. A few of these nuts cracked at the immediate stress loading while the others fractured after 2 years of service. These nuts were subjected to different metallurgical tests such as visual examination, optical microscopy, chemical analysis, hardness testing, and fractography. It was concluded that improper heat treatment weakened the structure and subsequently fractured on the application of load.

引用

页码：359 / 364

页数：6

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