%0 Journal Article
%T Numerical Approach to Toughening Design of Laminated Ceramic Composites<br>层状复合陶瓷增韧机理的数值模拟
%A CHANG Xu
%A TANG Chun-An
%A ZHANG Hou-Quan
%A ZHANG Yong-Bin
%A ZHANG Ya-Fang
%A <br>常旭
%A 唐春安
%A 张后全
%A 张永彬
%A 张亚芳
%J 无机材料学报
%D 2005
%I Science Press
%X Based on the multilayer beam model, with a view to the heterogeneity of the material, this paper focused on the fracture behavior of the laminated ceramic composites by the finiteelement method. In three-point bending condition, the crack propagation process that the crack penetrates the hard layers and expands along the interfaces of soft layers was presented. The primary mechanism that the soft layers decoy the crack expanding along the weak interfaces to absorb energy was affirmed. The toughness and strength changes as a function of the parameters such as thickness ratio, heterogeneity index m, etc. were analyzed by the FEM numerical simulation.
%K laminated ceramic composites
%K toughening
%K FEM
%K numerical simulation<br>层状复合陶瓷
%K 增韧
%K 有限元
%K 数值模拟
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=84529CA2B2E519AC&jid=ABC0063016AF57E1C73EF43C8D2212BD&aid=A5F049528F6E0289&yid=2DD7160C83D0ACED&vid=A04140E723CB732E&iid=0B39A22176CE99FB&sid=3389C664025A98F9&eid=1A033C02510EFBE6&journal_id=1000-324X&journal_name=无机材料学报&referenced_num=3&reference_num=12