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INVESTIGATION ON THE DEFORMATION AND ENERGY TRANSFER OF POWDERS DURING MECHANICAL ALLOVING |
YANG Junyou; WU Jiansheng; ZENG Zhenpeng(The Open Laboratory of Education Ministry for High Temperature Materials and High Temperature Tests;Shanghai Jiaotong University; Shanghai 200030)Correspondent: YANG Junyou; postdoctoral research;Tel: (021)62812440;E-mail: jggang@ mail.sjtu.edu.cn |
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Cite this article:
YANG Junyou; WU Jiansheng; ZENG Zhenpeng(The Open Laboratory of Education Ministry for High Temperature Materials and High Temperature Tests;Shanghai Jiaotong University; Shanghai 200030)Correspondent: YANG Junyou; postdoctoral research;Tel: (021)62812440;E-mail: jggang@ mail.sjtu.edu.cn. INVESTIGATION ON THE DEFORMATION AND ENERGY TRANSFER OF POWDERS DURING MECHANICAL ALLOVING. Acta Metall Sin, 1998, 34(10): 1061-1067.
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Abstract After analyzing of the collision during the process of ball milling, an anglefactor is introduced, and a theoretical relationship between the physical parameters of powders(such as the deformation and the temperature rise, etc.) and the tecbocal parameters of ballmilling and the angle factor is settled. The temperature rise of powders can be expressed as △Tand the direct and shearing strain are respectively. It showsthe deformation and heat effect are determined by milling parameters, the angle faCtor and thepowder materials. The model in this paper is compared with the Maurice model.
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Received: 18 October 1998
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1Burgio N,Iasonna N,Magini M,Martelli S,Padella F.Nuovo Cimento,1991;13:459 2Maurice D R, Courtnev T H. intofl 7in,la, 1990; 21A: 189 3杨君友,张同俊,崔 金属学报,1997; 33:381(Yang J Y, Zhang T J, Cui K. Acta Metall Sin, 1997; 33: 381) 4钱伟长,叶开源.弹性力学.北京:科学出版社,1980:297(Qian W C, Ye K Y. Elasticity . Beijing: Science Press, 1980: 297) 5许维德.流体力学.北京:国防工业出版社,1989:4(Xu W D. Fluid Mechanics.Beijing: National Defense Industry Press, 1989: 4) 6杨君友.华中理工大学博士学位论文,1996(Yang J Y. PhD Thesis, Huazhong University of Science and Technology, 1996) |
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