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摘要：
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介绍了等径角挤压(ECAP)、往复挤压(CEC)、高压扭转(HPT)和累积叠轧(ARB)4种技术的加工原理,系统阐述了大塑性变形(SPD)制备铝基、镁基、铜基超细晶(UFG)复合材料的研究进展,指出SPD技术是细化复合材料基体、均匀弥散增强相从而提高强度、硬度和塑性的有效手段,并展望了其研究范围将由有色金属基复合材料拓宽到铁基、陶瓷基、聚合物基等复合材料。
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Processing principles were introduced according to four techniques as follows: equal channel angular pressing(ECAP),cyclic extrusion and compression(CEC),high pressure torsion(HPT) and accumulative roll-bonding(ARB).Research progresses of fabricating aluminum matrix,magnesium matrix and copper matrix ultrafine-grained(UFG) composites by severe plastic deformation(SPD) were systematically discussed.SPD techniques are effective means to refine matrix and homogenize reinforcing phase so as to increase strength,hardness and plasticity.Prospect was also proposed,i.e.,research scope would be widening from nonferrous metals matrix composites to iron matrix,ceramic matrix and polymer matrix composites.
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基金项目：
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国家自然科学基金资助项目(50674067);;
上海市基础研究重点项目(09JC1408200)
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作者简介：
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参考文献：
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