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2 不同工艺参数下LMD-316L不锈钢试样的显微硬度 (HV1)

Table 2 Microhardnesses of LMD-316L SS samples fabricated by different process parameters

Sample No. Minimum hardness Maximum hardness Average hardness 1 313.1 390.2 355.4 ± 15.7 2 305.6 372.4 335.1 ± 13.2 3 298.7 354.8 325.5 ± 10.5 4 308.7 373.2 340.1 ± 13.6 5 304.3 368.7 340.4 ± 11.9 6 279.9 333.6 309.9 ± 10.7