%0 Journal Article
%T SOME PROBLEMS CONCERNING THE J_Ic DETERMINATION BY MEANS OF A SINGLE SPECIMEN<br>
%A Res Gp of Fracture Toughness
%A Peking Institute of Iron
%A Steel Research
%A <br>
%J 金属学报
%D 1977
%I 
%X The present paper deals with the method of locating the crack initiation point inJ_(IC) determinahon by means of a single specimen. The first is an analytical method forcalculating crack length variations during monotonic loading from the load-displace-ment record alone, and the second is based on And-sectional measurements of C. T. O. D.Results of application of these methods are presented which demonstrate the effective-ness of the methods proposed. In additional, some recent experimental results are also reported which substanti-ate the slip-line field proposed earlier for the CT specimen, the result for the limit loadP_L, and the J-U relation obtained by us.
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=2301F3FA1E16EB4E4599F90369117C0D&yid=D3A55680A8B4A1DC&vid=FC0714F8D2EB605D&iid=38B194292C032A66&sid=797D49279EA93BC4&eid=B799C1769FCACDC8&journal_id=0412-1961&journal_name=金属学报&referenced_num=0&reference_num=14