钢丝切丸欧文寿命测定及磨损失效分析.pdf
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铸件抛丸清理用钢丝切丸欧文寿命测定及磨损失效分析
高洪举1,刘如伟1,赵新华1,姜翔萧1,张来斌2,宋庆安2,吴成民z,王淑玉z
摘要:测定了铸件抛丸清理用钢丝切丸的化学成分、密度及硬度,观察了金相组织,用100%替代法测定了ERVIN循环寿命,
并分析了钢丝切丸的磨损过程。结果表明,ERVIN寿命试验机可以模拟实际抛丸清理过程,测得的ERVIN循环寿命是金属
磨料性能的一个重要评价指标,为正确选用金属磨料提供可靠依据。
关键词:钢丝切丸;磨损;ERVIN寿命}抛丸清理
中图分类号:TG246文献标识码:A 文章编号:1000—8365(2008)12—1674—03
MeasurementofErvin Lifeand ofAbrasion
Testing Analysis
Fa-lureOfSteeIWireCutShotforBlast of
CleaningCasting
GAO Ru-weil,ZHA0
Hong-jal,LIU Xin-hual,JIANG Lai-bin2,
Xiang-xia01,ZHANC
SoNG
Qing-an2,WUCheng-min2,WANGShu-yrn2
(1.SchoolofMaterialsScienceand Kaitai
Engineering,ShandongUniversity,Jinan
Abrasives
Metal 256217,China)
Co.,Ltd.,Zouping
and
Abstract:The hardnessofthesteelwirecutshotwere
composition,density
microstructurewasobserved,andtheErvinlifewastestedthemethodof1 and
by
theabrasion was resultsshowthattheErvinTestMachinecanbeusedto
analyzed.The
process
simulatethe blast theErvin|.feisanessential ofmetaI
practicalcleaningprocess。and parameter
abrasives forusertoselectthemetaIabrasives.
performance
wirecut
words:Steelshot;Abrasion;ErvinI.fe;Blast
Key cleaning
美国汽车工程师协会SAEJ441钢丝切丸标准[1]汽车轮胎圈口钢丝,经拔丝、切割、脱胶、筛
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