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author:

周巧琴 (周巧琴.) [1] (Scholars:周巧琴) | 郑春明 (郑春明.) [2] | 蔡传荣 (蔡传荣.) [3]

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Abstract:

本文利用扫描电镜对弹簧钢的金相组织、断口及表面进行观察分析,研究其失效原因,结果表明此弹簧钢断裂为早期疲劳断裂,裂纹源萌生于并圈处,由于该处间隙过小,一则不能保证喷丸的效果,二则增加疲劳过程的接触疲劳应力及加重表面损伤,另外该处喷丸微细粒子未清洗干净,相当于表面有一夹杂在运行时遗留在并圈处表层,导致表面损伤,并诱发微裂纹而导致弹簧早期疲劳断裂.

Keyword:

失效分析 弹簧钢 疲劳断裂

Community:

  • [ 1 ] [周巧琴]福州大学
  • [ 2 ] [郑春明]福州大学
  • [ 3 ] [蔡传荣]福州大学

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Source :

福建分析测试

ISSN: 1009-8143

CN: 35-1246/T

Year: 2003

Issue: 3

Volume: 12

Page: 1809-1811

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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