摘要
GH3536合金具有优异的抗高温氧化性能、耐腐蚀性能以及良好的冷、热加工成形性能和焊接性能,已被用作航空发动机高温部件的重要结构材料。传统工艺在制备GH3536合金复杂结构零部件方面存在生产周期长、工序复杂、成品率低等问题。本文针对激光粉末床(LPBF)技术在GH3536合金制造中的研究进展进行了全面介绍,明晰了该合金的组织结构和强化机制,系统调研了国内外相关研究成果,并通过与传统工艺进行对比,从技术原理、微观组织和力学性能等方面对LPBF GH3536合金进行了综合论述。调研了增材制造与传统制造相结合的增减材复合技术,讨论了LPBF制备GH3536合金在未来生产制造中的应用与发展趋势。
The GH3536 alloy is an important structural material for the high-temperature components of aeroengines owing to its excellent high-temperature oxidation and corrosion resistances and good performance during cold and hot forming and welding.The traditional manufacturing method of GH3536 high-temperature components has the disadvantages of long production cycle,complicated procedures,and low yield.Therefore,its production applications are limited.This study provides a comprehensive introduction to the research progress of the laser powder bed fusion of the GH3536 alloy and clarifies its structure and strengthening mechanism.Meanwhile,relevant research results were systematically investigated,conventional methods were compared,and the preparation of GH3536 alloy by laser powder bed technology is comprehensively discussed from the aspects of technical principle,microstructure,and mechanical properties.Furthermore,the composite technology of additive and traditional manufacturing is investigated.Finally,the future application and development trends of the GH3536 alloy prepared by laser powder bed technology are discussed.
作者
闵师领
侯娟
张恺
黄爱军
Min Shiling;Hou Juan;Zhang Kai;Huang Aijun(Additive Manufacturi7ig Research Institute,School of Materials Science and Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China;Monash Center for Additive Manufacturing,Monash University,Notting Hill,VIC 3168,Australia)
出处
《激光与光电子学进展》
CSCD
北大核心
2021年第17期98-109,共12页
Laser & Optoelectronics Progress
关键词
激光技术
GH3536合金
增材制造
激光粉末床
组织结构
力学性能
laser technique
GH3536 alloy
additive manufacture
laser powder bed fusion
microstructure
mechanical properties
