激光熔化沉积制备316L不锈钢的电化学腐蚀及空化腐蚀性能

蒋华臻, 彭爽, 胡琦芸, 王光义, 陈启生, 李正阳, 孙辉磊, 房佳汇钰

Corrosion and Cavitation Erosion Resistance of 316L Stainless Steels Produced by Laser Metal Deposition

JIANG Huazhen, PENG Shuang, HU Qiyun, WANG Guangyi, CHEN Qisheng, LI Zhengyang, SUN Huilei, FANG Jiahuiyu

表1 实验所用的工艺参数及其对应的样品编号

Table 1 Sample notations according to different process parameters

Sample No. Laser power / W Scanning speed mm·s-1 Scanning strategy Build orientation (z axis) / mm 1 1200 6.0 105° rotation 5 2 1400 6.0 105° rotation 5 3 1600 6.0 105° rotation 5 4 1200 6.0 Surface remelting for every two layers 5 5 1200 6.0 90° rotation 5 6 1200 6.0 105° rotation 10