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요약정보
SUP9A汽车钢板弹簧疲劳断裂失效分析 / Fatigue Fracture Failure Analysis of SUP9A Automobile Leaf Spring
Resource Type
Academic Journal
Authors
张俊花
;
陈廷树
;
康学勤
;
ZHANG Junhua
;
CHEN Tingshu
;
KANG Xueqin
Source
机械工程师 / Mechanical Engineer
. (10):152-154
Subject
钢板弹簧
疲劳试验
显微组织
淬火裂纹
SUP9A
Language
Chinese
ISSN
1002-2333
Online Access
Find it @ DONGA
초록
SUP9A钢板弹簧在台架疲劳试验中出现断裂,为分析开裂产生的原因,寻找预防措施,采用断口观察、化学成分测试、力学性能测试、微观组织检验等方法对开裂样品进行检验和分析.结果表明:热处理时产生的裂纹是钢板弹簧疲劳试验断裂的主要原因;由于原材料中存在网状铁素体和晶粒粗大,为此在淬火过程中产生裂纹,因此应制定严格的原材料验收标准,提高原材料质量.
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