%0 Journal Article
%T Numerical simulation for cone indentation of metallic foams and the reverse analysis<br>泡沫金属压痕试验的数值模拟及其反演
%A Liu Chang
%A Chen Changqing
%A Shen Yapeng
%A <br>柳畅
%A 陈常青
%A 沈亚鹏
%J 力学学报
%D 2006
%I 
%X Indentation testing is a popular method used to determine the mechanical properties of materials. In this paper, finite element simulations are carried out for cone indentation of metallic foams with 80 different material parameters. The numerical results combined with the dimensionless analysis method are used to establish the relationship between the cone indentation behavior and the elastoplastic material parameters of metallic foams. Based upon the relationship, a reverse analysis is developed so that the elastoplastic properties of metallic foams can be extracted from the cone indentation data. Obtained results show that the Young's modulus, yield strength, and plastic compression coefficient of metallic foams can be unambiguously determined by the developed reverse method. However, some supplement information is needed in order to evaluate the densification strain.
%K indentation
%K metallic foams
%K finite element simulation
%K reverse analysis<br>压痕试验
%K 泡沫金属
%K 有限元模拟
%K 反演分析
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=5D344E2AD54D14F8&jid=4100DA4A1A3BA1B0CE5AD99AE1DFB420&aid=7F5504B40C78EC06&yid=37904DC365DD7266&vid=16D8618C6164A3ED&iid=0B39A22176CE99FB&sid=5BC9492E1D772407&eid=798FBE8DE1A255B1&journal_id=0459-1879&journal_name=力学学报&referenced_num=0&reference_num=21