葛益,雒晓涛,李长久.冷喷涂固态颗粒沉积中颗粒间结合形成机制研究进展[J].表面技术,2020,49(7):60-67.
GE Yi,LUO Xiao-tao,LI Chang-jiu.Research Progress on Interface Bonding Formation Mechanism of Solid Particle Deposition in Cold Spray[J].Surface Technology,2020,49(7):60-67
冷喷涂固态颗粒沉积中颗粒间结合形成机制研究进展
Research Progress on Interface Bonding Formation Mechanism of Solid Particle Deposition in Cold Spray
投稿时间:2020-01-14  修订日期:2020-07-20
DOI:10.16490/j.cnki.issn.1001-3660.2020.07.008
中文关键词:  冷喷涂  临界速度  结合形成机制  绝热剪切失稳  颗粒界面材料射流形成  颗粒表面氧化膜破碎
英文关键词:cold spray  critical velocity  bonding formation mechanism  adiabatic shear instabilities  particle interface material jet formation  breaking-up of oxide film on particle surface
基金项目:国家自然科学基金(51875443,51401158);陕西省联合创新项目(2015KTTSGY03-03);陕西省自然科学基金(2015JQ5200)
作者单位
葛益 西安交通大学 金属材料强度国家重点实验室,西安 710049 
雒晓涛 西安交通大学 金属材料强度国家重点实验室,西安 710049 
李长久 西安交通大学 金属材料强度国家重点实验室,西安 710049 
AuthorInstitution
GE Yi State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China 
LUO Xiao-tao State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China 
LI Chang-jiu State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China 
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中文摘要:
      就目前主流的冷喷涂颗粒结合形成机理进行了系统总结和评述,为冷喷涂沉积体性能的调控和后续研究提供借鉴。分别就经典的颗粒界面绝热剪切失稳结合机理,颗粒界面应力波释放诱导材料射流形成结合机理,以及高速碰撞诱导颗粒表面氧化膜破碎、新鲜金属接触结合机理的基本概念、原理、特点进行了概括总结。通过大量系统文献的调研,指出现有理论目前存在的相悖和不足之处,并简要分析了现有颗粒间结合形成理论对冷喷涂沉积体质量调控方面的指导意义。最后基于现有研究的不足,对冷喷涂颗粒界面结合机制方面的研究进行了展望。
英文摘要:
      In this work, the current mainstream cold spray particle bonding formation mechanisms were systematically summarized and compared to provide reference for the regulation of cold spray deposition properties and subsequent research. The concepts, principles and characteristics about main bonding mechanisms including the adiabatic shear instability bonding mechanism, the stress wave release-induced material jet formation bonding mechanism and the high-speed collision-induced particle surface oxide film breaking bonding mechanism were summarized. Meanwhile, through the investigation of a large number of literatures, the contradictions and deficiencies of these existing theories were pointed out. The guiding significance of the existing theory of inter-particle bonding formation to the quality control of cold spray deposition was analyzed. At last, based on the shortcomings of current mechanisms, the research on the interface bonding mechanism of cold spray particles was prospected.
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