Ti-6Al-4V Recycled From Machining Chips by Equal Channel Angular Pressing

被引:14
|
作者
McDonald, D. T. [1 ]
Luo, P. [1 ]
Palanisamy, S. [2 ]
Dargusch, M. S. [2 ]
Xia, K. [1 ]
机构
[1] Univ Melbourne, Dept Mech Engn, Def Mat Technol Ctr, Melbourne, Vic 3010, Australia
[2] Univ Queensland, Def Mat Technol Ctr, Sch Mech & Min Engn, St Lucia, Qld 4072, Australia
关键词
Ti-6Al-4V; machining chips; recycling; equal channel angular pressing; MECHANICAL-PROPERTIES; PLASTIC-DEFORMATION; EXTRUSION; ALUMINUM; TITANIUM;
D O I
10.4028/www.scientific.net/KEM.520.295
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
Ti-6Al-4V machining chips have been recycled into fully dense material by a solid-state process based on equal channel angular pressing (ECAP). The as-recycled material possessed a refined microstructure and contained a series of oxide layers associated with the boundary of each machining chip. The chip boundaries were observed to dissolve into interstitial solid solution following static annealing. A series of static heat treatments within the temperature range 700 to 1000 degrees C, for durations of between 1 and 20 hours, were performed. The effect of thermomechanical processing on microstructure and mechanical properties is discussed and compared to the as-recycled and commercially available materials.
引用
收藏
页码:295 / +
页数:3
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