| Model of Primary Austenite Dendrite Structure in Hypoeutectic Cast Iron |
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| 作者姓名： | WU Xu-min YU Xiao-hua XU Jun ZHANG You-ling |
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| 作者单位： | Wuhan University of Technology，Wuhan 430070，China |
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| 摘 要： | Ｉｔｗａｓｒｅｐｏｒｔｅｄ1] ｔｈａｔｔｈｅｍｉｃｒｏ ｓｔｅｒｅｏｓｔｒｕｃｔｕｒｅｏｆｐｒｉｍａｒｙａｕｓｔｅｎｉｔｅｉｎｃａｓｔｉｒｏｎｃｏｎｓｉｓｔｓｏｆｐｒｉｍａｒｙｓｔｅｍｓａｎｄｓｅｃｏｎｄａｒｙａｒｍｓｔｈａｔ ｇｒｏｗａｃｃｏｒｄｉｎｇｔｏｄｅｎｄｒｉｔｅｃｒｙｓｔａｌｓｂｒａｎｃｈｒｕｌｅ ,ａｎｄｓｏｍｅｏｆｐｒｉｍａｒｙａｕｓｔｅｎｉｔｅｅｖｅｎｈａｖｅｔｈｉｒｄａｒｍｓ .ＭｉｙａｋｅＨｅｔａｌ2 ]ｐｒｏｐｏｓｅｄａｃｏｎｃｅｐｔｏｆｒｅｇｉｏｎｍｏｄｅｌｂｙｓｔｕｄｙｉｎｇ…
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Model of Primary Austenite Dendrite Structure in Hypoeutectic Cast Iron |
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| WU Xu-min,YU Xiao-hua,XU Jun,ZHANG You-ling.Model of Primary Austenite Dendrite Structure in Hypoeutectic Cast Iron[J].Journal of Iron and Steel Research,2003,10(1). |
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| Authors: | WU Xumin Yu Xiaohua XU Jun ZHANG Youling |
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| Abstract: | The solidification of primary austenite in hypoeutectic gray cast iron was studied by stepped grinding and quantitative metallography. The dendrite structure of primary austenite can be described by three models: typical dendrite crystal model, metamorphic dendrite crystal model and network dendrite crystal model. The dendrite crystals formed according to 3rd model is much more than those formed according to other models in this experiment. The primary austenites are connected each other, and the primary stems of austenite could be regarded as secondary arms and vice versa. |
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| Keywords: | hypoeutectic cast iron primary austenite dendrite structure |
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