DD6单晶Ni基高温合金表面CVD渗Al涂层的氧化行为

许习文, 舒小勇, 陈智群, 何海瑞, 董舒赫, 房雨晴, 彭晓

Oxidation Behavior of CVD Aluminized Coatings on DD6 Single Crystal Ni-based Superalloy

XU Xiwen, SHU Xiaoyong, CHEN Zhiqun, HE Hairui, DONG Shuhe, FANG Yuqing, PENG Xiao

表1 两种试样上CVD 渗Al涂层成分的EDS分析结果 (atomic fraction / %)

Table 1 EDS determined chemical compositions of CVD-formed Ni2Al3 coatings on pure Ni and DD6 superalloy

Material Ni Al Co Cr Ta W Aluminized Ni 39.41 60.59 - - - - Aluminized DD6 37.16 59.56 1.42 0.87 0.54 0.45