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[Discussion] about the non-martensite structure

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签到天数: 1 天

[LV.1]初来乍到

发表于 2010-11-21 21:01:04 | 显示全部楼层 |阅读模式
北京中仪天信科技有限公司
as we know the non-martensite  structure are harmful to the fatigue property. But the thickness and shape of this structure is not defined. who have the test date to show what the thickness and shape is appropriatable?

签到天数: 1048 天

[LV.10]以坛为家III

发表于 2010-11-22 10:04:29 | 显示全部楼层
the thickness and shape of  non-martensite ? How do you read the non-martensite ?
Generally,Check the hardness value  whether it is martensite structure.

签到天数: 108 天

[LV.6]常住居民II

发表于 2010-11-22 10:21:39 | 显示全部楼层
yeah,each kind of microstructure has its particular hardness value
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