%0 Journal Article
%T FRACTAL FRACTURE AND TRANSFORMATION TOUGHENING IN Cu-Ni-Al SINGLE CRYSTAL<br>Cu—Ni—Al单晶的分形断裂与相变增韧
%A LIN Guangming
%A TANG Zhenfang
%A <br>林光明
%A 唐振方
%J 金属学报
%D 1996
%I 
%X 测定了Ｃｕ－Ｎｉ－Ａｌ单晶在２０－１２０℃温度范围的断裂韧性Ｋｃ和断裂表面的分形维数Ｄｆ。裂纹前沿应力诱导相变使母相有较高的Ｋｃ，在单一断裂机制下，ｌｎＫｃ与Ｄｆ之间有简单的线性关系；脆性断裂时斜率为正，韧性断裂时斜率为负，由断裂微观机与分形概念对上述结果进行分析讨论。
%K Cu-Ni-Al single crystal
%K fractal
%K fracture toughness
%K transformation toughening<br>单晶
%K 分形断裂
%K 韧性
%K 相变增韧
%K 铜镍铝
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=B15281E45876614AE4A6FF761C0391AF&yid=8A15F8B0AA0E5323&vid=9971A5E270697F23&iid=708DD6B15D2464E8&sid=73810A8E3A4195A6&eid=75AB4EF959CC4ED9&journal_id=0412-1961&journal_name=金属学报&referenced_num=1&reference_num=2