%0 Journal Article
%T FRACTAL ANALYSIS FOR HYDROGEN INDUCED DUCTILITY LOSSES<br>氢致塑性损失的分形研究
%A JIANG Hingang
%A CHU Wuyang
%A XIAO Jimei
%A <br>蒋兴钢
%A 褚武扬
%A 肖纪美
%J 金属学报
%D 1994
%I 
%X 从韧性断口分形理论出发，导出了延伸率公式δ＝ｋｒｓＢｌ－１ρ－１／２（Ｗ／ｄ）２ＤＦ－２其中ＤＦ是分形维数，ｋ是常数，ｒｓ是表面能，ｌ，Ｗ和Ｂ是试样尺寸，ｄ是晶粒尺寸，ρ是夹杂面密度．３１０不锈钢充氢后δ和ＤＦ均下降，且氢量愈高，δ和ＤＦ均愈小．实验表明，δ随ＤＦ的降低而指数下降．上式指出，δ随ｄ和ρ的减小而增大，随长度ｌ降低及宽度Ｗ和厚度Ｂ的增大而增大，这些均和一般的实验结果相符合．
%K fractal
%K elongation
%K hydrogen induced ductility loss<br>分形
%K 延伸率
%K 氢致塑性损失
%K 不锈钢
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=D1E4D064A8FF0CE7FEC80A3414541C48&yid=3EBE383EEA0A6494&vid=340AC2BF8E7AB4FD&iid=B31275AF3241DB2D&sid=7ABC4505E3960D2B&eid=DC330B09A33F1455&journal_id=0412-1961&journal_name=金属学报&referenced_num=4&reference_num=6