%0 Journal Article
%T TEMPERATURE EFFECT AND OVERLOAD RETARDATION EFFECT ON CORROSION FATIGUE CRACK GROWTH OF HIGH STRENGTH STEEL<br>高强度钢腐蚀疲劳裂纹扩展的温度效应和过载迟滞效应
%A QIAN Yourong
%A HE Xiangdong Beijing University of Aeronautics
%A Astronautics QIAN Yourong
%A <br>钱友荣
%A 何向东
%J 金属学报
%D 1989
%I 
%X 通过在18,35和55℃蒸馏水中疲劳裂纹扩展试验,证明了超高强度钢30CrMnSiNi2A腐蚀疲劳具有强烈的温度效应,得到了ΔK值和温度对裂纹扩展速率影响的复合表达式。由于扩展速率数据拟合得到的表观激活能值(36.7kJ/mol)十分接近于氢在γ-Fe中的扩散激活能值,支持了氢助裂纹扩展的观点。对大气中疲劳裂纹扩展具有重要价值的过载迟滞效应,在腐蚀疲劳时显著地减小,在0.1Hz的低频率下尤其明显。
%K corrosion fatigue
%K crack growth rate
%K temperature effect
%K overload retardation effect<br>高强度钢
%K 腐蚀疲劳
%K 裂纹
%K 温度效应
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=A7BA08025A6F9E3E6476CDCB7294226C&yid=1833A6AA51F779C1&vid=C5154311167311FE&iid=B31275AF3241DB2D&sid=BFE7933E5EEA150D&eid=0401E2DB1F51F8DE&journal_id=0412-1961&journal_name=金属学报&referenced_num=2&reference_num=1