wujunke 发表于 2008-12-5 20:48:33

QT400-18的异常组织

球铁水冷壁，出现异常组织，提供给大家讨论其形成原因。C 3.75Si1.79Mn3.32 P0.067 S0.032 Cr0.29 Ni0.15 Mg 0.062RE 0.019 http://s12.photo.store.qq.com/http_imgload.cgi?/rurl4_b=2c7acec729787fba9facbbd4518f32409b663bd6aa2135d1ae6d47d201de29e6121b4309fa3f11a1c66ba6c0271f6b7b4357cf129bd8a37c2efee5a4259d7d663837b08a81162bfffc03f154b02632f464f3cc66
100X
http://s12.photo.store.qq.com/http_imgload.cgi?/rurl4_b=2c7acec729787fba9facbbd4518f324009950ae1a9537d4e7046a4583c2e4b7868e8f0bce8f87cb9a90ac8267f59fc8567fbdbb8000a5d5449cf33961d6373449c7c20e7b4f217966727e24941a6b7ee12912b99
250X

wujunke 发表于 2008-12-6 22:39:33

Mn含量打错了，是0.32

lixiongjin 发表于 2008-12-7 09:53:09

楼主上传的什么啊

盛丽丽 发表于 2008-12-7 10:21:06

回复

冒昧猜一下，铁素体基体+三元磷共晶

天天小非 发表于 2008-12-8 12:53:21

析出的应该是渗碳体组织。冷速过快造成的希望比较大

戴铭 发表于 2008-12-9 21:01:02

是渗碳体无疑
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