INFLUENCE OF TEST CONDITIONS AND SHEET-METAL THICKNESS ON ERICHSEN CUPPING VALUES OF STAINLESS-STEELS

被引：0
作者：
IMBUSCH, D
KUHLMEYE.M
MICHEL, KH
MULDERS, H
机构：
来源：
STAHL UND EISEN | 1974年 / 94卷 / 08期
关键词：
METAL DRAWING - Deep - STEEL TESTING - Plasticity;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The accuracy and reproducibility of the Erichsen cupping test was investigated on 0. 5 to 2. 0 mm sheet metal specimens of an austenitic and a ferritic stainless steel. The effects of material, test conditions, and testing machines on the results were statistically evaluated. From more than 20,000 measurements obtained in routine operations control, the dependence of cupping values (T) on sheet gage (d) was found by regression analysis to be T equals 10. 22 plus 3. 29 d minus 1. 96 d**2 plus 0. 44 d**3 mm for steel X5CrNi189, and T equals 7. 01 plus 3. 05 d minus 0. 66 d**2 mm for steel X8Cr17.
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页码：343 / 349
页数：7
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