Energy consumption for deformation to fracture of a circular-clamped thin plate under impact loading

被引：0
|
作者：
Stepanov G.V. [1 ]
Zubov V.I. [1 ]
Olisov A.N. [1 ]
Klepaczko J.R. [2 ]
机构：
[1] Institute of Problems of Strength, National Academy of Sciences of Ukraine, Kiev
[2] Laboratoire de Physique et Mecanique des Materiaux, Université de Metz, Metz
来源：
Strength of Materials | 2001年 / 33卷 / 02期
关键词：
energy consumption; flexure; fracture; impact loading; strength; thin plate;
D O I：
10.1023/A:1010484416070
中图分类号：
学科分类号：
摘要：
An experimental procedure for evaluating energy spent for fracture of a circular-clamped sheet structural element upon transverse flexure, induced by impact loading of a spherical head-face body, is briefly outlined. Flexure test results for two sheet metals (a 20 mild steel and a D16T aluminum alloy 1.0 and 0.75 mm thick, respectively) and a 2.0-mm PA6 shock-resistant composite are cited. Experimental data analyses and stress-strain state calculations for a plate material within the circular boundary upon flexure made it possible to establish the relation between the work of deformation and the dynamic strength and plasticity. Sheet structural element materials are comparatively evaluated by their specific energy spent for deformation under transverse static and impact loading. © 2001 Plenum Publishing Corporation.
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收藏
页码：157 / 164
页数：7
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