热喷涂Fe基非晶涂层的耐腐蚀性的研究及优化

张而耕, 杨磊, 杨虎, 梁丹丹, 陈强, 周琼, 黄彪

Review on Research and Optimization of Corrosion Resistance of Thermal Sprayed Fe-based Amorphous Coatings

ZHANG Ergeng, YANG Lei, YANG Hu, LIANG Dandan, CHEN Qiang, ZHOU Qiong, HUANG Biao

表1 3种常见的热喷涂方法的工艺特征[17,18]

Table 1 Process characteristics of three common thermal spraying methods[17,18]

Process Plasma spraying Electric arc spraying High velocity oxy-fuel Heat source Plasma arc Electric arc Combustion flame Temperature of the heat source / ℃ ＞10000 4000-6000 2600-3000 Particle velocity / m·s-1 ≤450 100-300 ≤1000 Spraying efficiency / kg·h-1 2-10 10-28 1-9 Material shape Powdery Filiform、Ribbon Powdery Oxidation degree of coatings Middle Middle-High Low Bonding strength / MPa 14-69 14-50 40-83