A procedure for the evaluation of flow stress of sheet metal by hydraulic bulge test using elliptical dies

被引：13
|
作者：
Lazarescu, Lucian [1 ]
Nicodim, Ioan Pavel [1 ]
Comsa, Dan-Sorin [1 ]
Banabic, Dorel [1 ]
机构：
[1] Tech Univ Cluj Napoca, CERTETA Res Ctr, Cluj Napoca, Romania
来源：
MATERIAL FORMING - ESAFORM 2012, PTS 1 & 2 | 2012年 / 504-506卷
关键词：
Analytical Approach; Elliptical Die; Flow Stress; Hydraulic Bulge Test; STRAIN CURVES;
D O I：
10.4028/www.scientific.net/KEM.504-506.107
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The paper describes a new experimental procedure for the determination of the curves relating the equivalent stress and equivalent strain of sheet metals by means of the hydraulic bulge tests through elliptical dies. The procedure is based on an analytical model of the bulging process and involves the measurement of only two parameters (pressure acting on the surface of the specimen and polar deflection).
引用
收藏
页码：107 / 112
页数：6
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