摘要
为了明晰激光增材制造翘曲变形行为,获得相关变形规律。对Inconel 625高温合金激光增材制造工艺对零件变形量的影响进行了分析,实验结果表明:扫描路径的长度决定翘曲变形量的大小;不同工艺参数对翘曲变形量的影响程度不同;激光增材制造加工过程一般会同时引起两个方向的翘曲变形;同时翘曲变形量随着激光功率的增加而增加,随着扫描速度的增加而增加,随着送粉速度的增加而减少。
In order to make sure the warp distortion behaviors for laser melting additive manufacturing, the relevant laws of the warp distortion behaviors are obtained. The process of the warp distortion of Inconel 625 nickel-based alloys material is studied.The experimental results show that the size of warp distortion depends on the length of scanning path and the influences on the warp distortion are different with the different process parameters. Generally, the two directions’ warp distortion will be caused during the process of laser melting additive manufacturing. Simultaneously, the size of warp distortion increases with the increase of the laser power and the scan speed. But the distortion decreases with the increase of the powder feeding.
作者
赵宇辉
赵吉宾
王志国
ZHAO Yu-hui;ZHAO Ji-bin;WANG Zhi-guo(Shenyang Institute of Automation,Chinese Academy of Sciences,Shenyang,110016,China;Institutes for Robotics and Intelligent Manufacturing,Chinese Academy of Sciences,Shenyang 110169,China;University of Chinese Academy of Sciences,Beijing 100049,China)
出处
《真空》
CAS
2020年第2期88-93,共6页
Vacuum
基金
国家重点研发计划(2017YFB1104003)
国家自然科学基金(51805526)。
