莫来石粉末化学镀镍和涂层的高温摩擦学性能
陈开旺, 张鹏林, 李树旺, 牛显明, 胡春莲

High-temperature Tribological Properties for Plasma Spraying Coating of Ni-P Plated Mullite Powders
CHEN Kaiwang, ZHANG Penglin, LI Shuwang, NIU Xianming, HU Chunlian
表2 大气等离子喷涂参数
Table 2 Atmospheric plasma spraying parameters
ItemsNiCrAlY coatingMullite coating
Arc current/A600500
Voltage/V6070
Argon gas flow rate/L·min-14045
Hydrogen gas flow rate/L·min-11515
Powder gas flow rate/L·min-158
Spray distance/mm9090
Spray angle/(°)9090
Gun speed/m·s-10.30.2