A STUDY ON THE BEHAVIOR OF A THIN STS 304 SHEET WITH A FREE BOUNDARY CONDITIONS SUBJECTED TO IMPACT LOADING

被引：1
|
作者：
Ahn, D. G. [1 ]
Moon, G. J. [1 ]
Jung, C. G. [2 ]
Yang, D. Y. [2 ]
机构：
[1] Chosun Univ, Dept Mech Engn, Kwangju 501759, South Korea
[2] Korea Adv Inst Sci & Technol, Dept Mech Engn, Taejon 305701, South Korea
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2008年 / 22卷 / 31-32期
关键词：
Impact behavior; STS; 304; sheet; free boundary condition; impact energy absorption;
D O I：
10.1142/S0217979208050838
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The objective of this paper is to investigate into impact behaviors of a STS 304 sheet with a thickness of 0.7 mm in a free boundary condition subjected to impact loading by a hemispherical impact head using drop impact tests and the three-dimensional FE analyses. The drop impact tests and the FE analyses were conducted with different impact energy ranging from 37.0 J to 45.7 J. From the results of the impact tests, the influence of the impact energy on the force-deflection curve, the absorption mechanism of the impact energy and deformation behaviors of specimen were examined quantitatively. Through the FE analyses, the variation of stress-strain distributions and characteristics of the local deformation during the impact of the specimen were investigated.
引用
收藏
页码：5572 / 5577
页数：6
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