%0 Journal Article
%T Interface Fracture Mechanics of Failure For Oxide Scale on Superalloy<br>高温合金氧化膜破坏的界面断裂力学分析
%A LEI Mingkai
%A XU Zhongcheng
%A YANG Fujun
%A GAO Feng
%A <br>雷明凯
%A 徐忠成
%A 杨辅军
%A 高 峰
%J 金属学报
%D 2004
%I 
%X The stress state of the oxide scale on superalloy was analyzed using a bimaterial mode. The relationship between the maximum buckling deflection of oxide scale and the compressive stress of oxide scale was determined. Based on interface fracture mechanics, the buckling map for spalling was established. The spalling characteristics of the oxide scale described by the buckling map is consistent with the experimental data for the Al2O3 scale on the Ni-based superalloy under the conditions that the parameter relating to the roughness of the oxide alloy interface is between 0.3 and 0.4, a critical buckling index is 1 and a critical adhesion index is 1.15. The buckling and spalling course of the oxide scale on the superalloy was successfully explained with the buckling map.
%K oxide scale
%K superalloy
%K interface fracture mechanics
%K buckling map<br>氧化膜
%K 高温合金
%K 界面断裂力学
%K 弯曲图
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=229B11A598DA4EB3&yid=D0E58B75BFD8E51C&vid=1371F55DA51B6E64&iid=F3090AE9B60B7ED1&sid=E26AA41AE15D3061&eid=B3BA5701971F4D8F&journal_id=0412-1961&journal_name=金属学报&referenced_num=2&reference_num=18