镍基高温合金中<strong>S</strong>元素对基体与热障涂层界面稳定性的影响

镍基高温合金中S元素对基体与热障涂层界面稳定性的影响

王京京, 姚志浩, 张鹏, 赵杰, 张迈, 王蕾, 董建新, 陈迎

Effect of Element S on Interfacial Stability of Matrix and Thermal Barrier Coating in Nickle-Based Superalloys

WANG Jingjing, YAO Zhihao, ZHANG Peng, ZHAO Jie, ZHANG Mai, WANG Lei, DONG Jianxin, CHEN Ying

表2 NiAl/Al₂O₃界面模型界面黏附功计算数值

Table 2 Calculated values of interfacial adhesion work of NiAl/Al₂O₃interface model

System	A / nm²	E_S1 / eV	E_S2 / eV	E_S1/S2 / eV	W_ad / (J·m^-2)
Pure interface	0.8325	-883.450	-293.219	-1182.710	1.162
Interface with S	0.8330	-883.477	-292.060	-1178.733	0.449