%0 Journal Article
%T FRACTAL DESCRIPTION OF GRAIN BOUNDARY CONFIGURATION IN DIRECTIONALLY SOLIDIFIED SUPERALLOYS<br>定向凝固高温合金晶界形貌的分形描述
%A 孙力玲
%A 董连科
%A 张静华
%A 胡壮麒
%J 金属学报
%D 1994
%I 
%X Fractal analysis is adoped to study the change of dendrite grain boundary configurations at different solidification rates in two kinds of superalloys. It is found that fractal dimensions of the grain boundaries in both of the alloys increase with the increase of solidification rates. In addition, the relationship between the fractal dimensions of the grain boundaries and the system entropy in the solidified superalloys is discussed from the physical defination of fractal dimension.
%K grain boundary configuration
%K fractal
%K directional solidiflcation
%K superalloy<br>晶界形貌
%K 分形
%K 定向凝固
%K 耐热合金
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=D1E4D064A8FF0CE74B5FAA3E597D5606&yid=3EBE383EEA0A6494&vid=340AC2BF8E7AB4FD&iid=94C357A881DFC066&sid=1E41DF9426604740&eid=38685BC770C663F2&journal_id=0412-1961&journal_name=金属学报&referenced_num=12&reference_num=4