钛合金表面Si改性铝化物涂层制备及其高温氧化行为

刘国强, 冯长杰, 辛丽, 马天宇, 常皓, 潘钰璇, 朱圣龙

Preparation and High Temperature Oxidation Resistance of Si Modified Aluminide Coating on Titanium Alloy

LIU Guoqiang, FENG Changjie, XIN Li, MA Tianyu, CHANG Hao, PAN Yuxuan, ZHU Shenglong

表3 在650℃循环氧化300周期后0Si、5.2Si、12.5Si和25.7Si涂层氧化膜表面的EDS成分分析

Table 3 Composition of surface oxide scale of 0Si, 5.2Si, 12.5Si and 25.7Si coating after cyclic oxidation at 650oC for 300 cycles by EDS (atomic fraction, %)

Coatings O Al Si Ti V 0Si 49.95 34.46 - 14.53 1.06 5.2Si 54.16 23.91 3.64 17.10 1.19 12.5Si 56.17 20.13 6.38 16.50 0.82 25.7Si 55.72 18.79 7.59 16.96 0.94