Influence of powder properties on densification mechanism during spark plasma sintering

被引：68

作者：

Yang, C. ^{[1
]}

Zhu, M. D. ^{[1
]}

Luo, X. ^{[1
]}

Liu, L. H. ^{[2
]}

Zhang, W. W. ^{[1
]}

Long, Y. ^{[1
]}

Xiao, Z. Y. ^{[1
]}

Fu, Z. Q. ^{[1
,4
]}

Zhang, L. C. ^{[1
,3
]}

Lavernia, E. J. ^{[4
]}

机构：

[1] South China Univ Technol, Natl Engn Res Ctr Near Net Shape Forming Metall M, Guangzhou 510640, Guangdong, Peoples R China

[2] Tsinghua Univ, Dept Mech Engn, Beijing 100084, Peoples R China

[3] Cowan Univ, Sch Engn, 270 Joondalup Dr, Perth, WA 6027, Australia

[4] Univ Calif Irvine, Dept Chem Engn & Mat Sci, Irvine, CA 92697 USA

来源：

SCRIPTA MATERIALIA | 2017年 / 139卷

基金：

中国国家自然科学基金;

关键词：

Titanium alloys; Powder consolidation; Spark plasma sintering; Mechanical milling; TI-BASED COMPOSITES; VISCOUS-FLOW; SUPERCOOLED LIQUID; MICROSTRUCTURE; ATTRITION; VISCOSITY; STRENGTH;

D O I：

10.1016/j.scriptamat.2017.06.034

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We report on the formulation of a factor, f that when applied together with the activation energy for viscous flow (Q), can be used to provide important insight into the densification mechanism that are active during powder sintering. We ascertain the validity of this formulation by comparing the densification behaviour of atomized and milled powders for Ti-6Al-4V alloy and pure Ti during spark plasma sintering, and identifying the underlying mechanisms. (c) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：96 / 99

页数：4

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