简介概要

MICROSTRUCTURES AND MECHANICAL PROPERTIES OF SPUN PIPE BLANKS OF RS AlFeX ALLOY

来源期刊:中国有色金属学报(英文版)1998年第1期

论文作者:Xiao Yude Li Wenxian Li Songrui Wang Ricu Luo Qingying

文章页码:102 - 106

Key words:aluminum alloy; extrusion; rapid solidification; spray deposition

Abstract: Two pipe blanks of rapidly solidified AlFeVSi alloy were prepared respectively by two kinds of different processings of rapid solidification-cold isostatic compact-hot extrusion and spray deposition-hot extrusion, and their microstructures and properties before and after hot extrusion were investigated comparatively using optical microscope, SEM, TEM and tensile test. The results showed that the pipe blank prepared by the former processing has higher strength and lower plasticity, and exhibits more intensive anisotropy than that of the latter, the main factors affecting the dissimilarity are degree of deformation, thickness of powder surface oxide film and cooling rate of solidification.



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