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42CrMo锻造坯应该是什么金相组织?下面三张照片分别是100,500,1000倍。指点![img]http://ng1.17img.cn/bbsfiles/images/2017/01/201701191652_628817_1614369_3.jpg[/img][img]http://ng1.17img.cn/bbsfiles/images/2010/09/201009112243_243371_1614369_3.jpg[/img][img]http://ng1.17img.cn/bbsfiles/images/2010/09/201009112243_243372_1614369_3.jpg[/img]
42CrMo锻造坯应该是什么金相组织?下面三张照片分别是100,500,1000倍。指点![img]http://ng1.17img.cn/bbsfiles/images/2010/09/201009112243_243370_1614369_3.jpg[/img][img]http://ng1.17img.cn/bbsfiles/images/2010/09/201009112243_243371_1614369_3.jpg[/img][img]http://ng1.17img.cn/bbsfiles/images/2010/09/201009112243_243372_1614369_3.jpg[/img]
锻造正火对原材料偏析有所改善吗?请各位老师指点~~~该图片的偏析是来自原材料( 20CrMoH)http://ng1.17img.cn/bbsfiles/images/2011/12/201112281328_341966_2023037_3.jpg