粉末床熔融增材制造用金属粉末的研究现状

粉末床熔融增材制造具有成形精度高、力学性能好、复杂构件不敏感等特点,是目前金属增材制造领域发展最快的技术.金属粉末的品质是粉末床熔融增材制造发展的关键,需满足纯净度高、球形度好、流动性好、粒度分布合理等条件.本文简要介绍了粉末床熔融增材制造用粉末的性能要求及制备技术并进行对比,还对粉末床熔融增材制造用金属粉末的前景做了...

Research status of metal powder for powder bed melting additive manufacturing

Powder bed fusion additive manufacturing has the characteristics of high forming accuracy,good mechanical properties and insensitivity of complex components,which is the most rapidly developing technology in the field of metal additive manufacturing.The quality of metal powder is the key to the development of powder bed fusion additive manufacturing,which needs to meet the requirements of high purity,good sphericity,good fluidity and reasonable particle size distribution.This paper briefly introduces the performance requirements of powder used in powder bed fusion additive manufacturing,compares the methods of powder preparation,and looks forward to the development of metal powder.