DZ445镍基高温合金高温长时间氧化形成的多层膜结构

刘来娣, 丁彪, 任维丽, 钟云波, 王晖, 王秋良

Multilayer Structure of DZ445 Ni-Based Superalloy Formed by Long Time Oxidation at High Temperature

LIU Laidi, DING Biao, REN Weili, ZHONG Yunbo, WANG Hui, WANG Qiuliang

图9 Al、Ni、Cr元素在氧化300和500 h时从最内层(或次内层)到基体的浓度梯度曲线

Fig.9 Concentration gradient distribution curves of alloy elements Al, Ni, and Cr from the innermost layer (or subinner layer) to the matrix after oxidation for 300 h (a) and 500 h (b)