Forgeability of Mg-Al-Zn magnesium alloys in hot and warm closed die forging

被引：52

作者：

Skubisz, P. ^{[1
]}

Sinczak, J. ^{[1
]}

Bednarek, S. ^{[1
]}

机构：

[1] AGH Univ Sci & Technol, Fac Met & Mat Sci, PL-30059 Krakow, Poland

来源：

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2006年 / 177卷 / 1-3期

关键词：

closed-die forging workability; wrought magnesium alloys; AZ31; AZ61; warm-forging;

D O I：

10.1016/j.jmatprotec.2006.04.091

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The paper presents an investigation on the effect of process variables and material condition on forgeability of magnesium wrought alloys of Mg-AI-Zn group, AZ31 and AZ61. The experimental work includes studies of forging capabilities of the alloys in closed-die forging at hot and warm-working temperatures. Forging tests were performed for material both in as-cast and as-worked condition, for two variants of workpiece geometry. The different variants of the workpiece indicated fracture-related problems in forging magnesium alloys in the warm-working temperature regime, which involved interaction between material condition and process variables, and state of stress. By means of numerical calculations it was concluded, that in addition to material condition, a favourable state of stress, provided by a closed-die, can greatly improve the forgeability of AZ Mg alloys in the warm-working range. (c) 2006 Published by Elsevier B.V.

引用

页码：210 / 213

页数：4

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