| PREPARATION OF ROUND BILLETS BY SPRAY FORMING TECHNOLOGY |
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| 作者姓名： | Xiong Baiqing Zhang Yongan Lin Yaojun Zhang Shaoming and Shi Likai Beijing General Research Institute forNonferrous Metals Beijing P. R. China |
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| 作者单位： | Xiong Baiqing，Zhang Yongan，Lin Yaojun，Zhang Shaoming and Shi Likai Beijing General Research Institute forNonferrous Metals，Beijing 100088，P. R. China |
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| 摘 要： | １ＩＮＴＲＯＤＵＣＴＩＯＮＴｈｅｓｐｒａｙｆｏｒｍｉｎｇｔｅｃｈｎｏｌｏｇｙｉｓａｎｅｗｔｅｃｈｎｏｌｏｇｙｆｏｒｍａｋｉｎｇｍａｔｅｒｉａｌｓ．Ｉｔｈａｓｂｅｅｎｄｅｖｅｌｏｐｅｄｏｎｔｈｅｂａｓｉｓｏｆｔｈｅｃｏｎｖｅｎｔｉｏｎａｌｒａｐｉｄｓ...
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PREPARATION OF ROUND BILLETS BY SPRAY FORMING TECHNOLOGY |
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| Xiong Baiqing,Zhang Yongan,Lin Yaojun,Zhang Shaoming and Shi Likai Beijing General Research Institute forNonferrous Metals,Beijing ,P. R. China.PREPARATION OF ROUND BILLETS BY SPRAY FORMING TECHNOLOGY[J].Transactions of Nonferrous Metals Society of China,1999,9(2). |
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| Authors: | Xiong Baiqing Zhang Yong'an Lin Yaojun Zhang Shaoming Shi Likai |
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| Abstract: | The pattern of making round billets by spray forming technology was studied by means of numerical method combined with experiment. The results show that during the atomization deposition process, the shape of the deposit reaches a stable state after a primary transient state, and then the round billet grows in the mode of equidiameter. The basic condition to reach the stable state is that the withdraw velocity of the collector, v, is smaller than acos, where a is the atomization density along the atomization axis, and is the atomization angle. With the other technological parameters being constant, round billets with different diameters can be made by adjusting the withdraw velocity. Additionally, the ratio of gas flux to melt flux(G/M) also directly affects the shaping of round billets in the atomization deposition process. |
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| Keywords: | spray forminground billetsnumerical methodratio of gas flux to melt flux |
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