热处理迷 发表于 2013-6-28 11:43:13

还好下面有回复，楼主误导我这种新人啊。。。。

热处理迷 发表于 2013-6-28 11:44:28

还好下面有回复，楼主误导我这种新人啊。。。。

xiajianfu 发表于 2013-6-28 16:12:15

正火组织不是P+F不正火主要细化晶粒冷却速度比退火快

hawkch 发表于 2014-3-3 15:36:23

差点被误导了，:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(:(

oliver 发表于 2014-3-3 16:09:00

帝企鹅 发表于 2013-4-8 11:08 static/image/common/back.gif
退火，我从字面上来理解， “退”这个字，退回去， 退回他的本来面目，因为是随炉冷，所以冷却速度慢，能 ...

以前的铁匠铺把烧红的铁件放到水里，谓之“淬”。铁件因此变硬了，谓之淬上了“火”。把硬度去掉，谓之把“火”退掉。

my231181 发表于 2014-3-3 16:43:25

度娘给的，请笑纳！里面有正火退火温度区别，记得没错正火叫做正常化退火吧...
页: 1 2 [3]
查看完整版本: 知识普及贴。。正火与退火的区别。