Application of flywheel machine for sheet metal dynamic tensile tests

被引：0
|
作者：
Niechajowicz, A. [1 ]
Tobota, A. [1 ]
机构：
[1] Wroclaw Univ Technol, PL-50370 Wroclaw, Poland
来源：
ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING | 2008年 / 8卷 / 02期
关键词：
dynamic properties; sheet metal; dynamic test; flywheel;
D O I：
10.1016/S1644-9665(12)60199-X
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Modernization and application of flying wheel machine for dynamic testing of sheet metal samples were researched. The machine gives constant velocity of displacement or grips with easy velocity control. The sample shape and dimensions, holders, the measurement system based on single Hopkinson bar were prepared. High kinetic energy of the forcing disk assures almost constant velocity of the test independently of dimensions and properties of samples as well as the stiffness of the measurement bar. The tests show that Young's modulus lower holder should be equal to modulus of sample material, the significant decrease in disturbance of tensile force course was obtained.
引用
收藏
页码：129 / 137
页数：9
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