高性能金属零件激光增材制造技术研究进展
发布时间：2019-05-24 02:57
【摘要】：激光增材制造(Laser Additive Manufacturing,LAM)技术实际上是一种兼顾精确成形和高性能成性一体化需求的先进制造技术。首先介绍了两种典型激光增材制造技术的成形原理及其特点;然后介绍国内外激光增材制造技术的最新研究进展;再重点介绍西安交通大学在激光增材制造技术方面的最新研究进展:(1)超声振动辅助激光熔覆沉积对IN718沉积态组织与性能的影响;(2)感应辅助激光熔覆沉积DD4定向晶修复DZ125L叶片的研究;(3)Cu W功能梯度复合材料的激光熔覆沉积工艺研究;(4)送粉气纯度对激光熔覆Fe314修复40Cr组织与性能的影响;最后阐述了激光增材制造技术所面临的挑战。
[Abstract]:Laser material addition Manufacturing (Laser Additive Manufacturing,LAM) technology is actually an advanced manufacturing technology which takes into account the integration of accurate forming and high performance formability. Firstly, the forming principle and characteristics of two typical laser material addition manufacturing technologies are introduced, and then the latest research progress of laser material addition manufacturing technology at home and abroad is introduced. The latest research progress of laser material increasing technology in Xi'an Jiaotong University is introduced in detail: (1) the effect of ultrasonic vibration assisted laser coating deposition on the microstructure and properties of IN718 deposition; (2) study on the repair of DZ125L blades by induction-assisted laser cladding deposition of DD4 directional crystals; (3) study on laser cladding deposition process of) Cu W functionally graded composites; (4) effect of powder feeding gas purity on the microstructure and properties of laser-coated Fe314 repair 40Cr; Finally, the challenges of laser material increasing manufacturing technology are described.
【作者单位】： 西安交通大学机械制造系统工程国家重点实验室;
【基金】：国家重点专项“高性能金属结构件激光增材制造控形控性研究”(2016YFB1100102) 国家自然科学基金项目(51275392) 陕西省科技统筹创新工程计划项目(2015KTTSGY03-06)
【分类号】：TG665
，
本文编号：2484485
[Abstract]:Laser material addition Manufacturing (Laser Additive Manufacturing,LAM) technology is actually an advanced manufacturing technology which takes into account the integration of accurate forming and high performance formability. Firstly, the forming principle and characteristics of two typical laser material addition manufacturing technologies are introduced, and then the latest research progress of laser material addition manufacturing technology at home and abroad is introduced. The latest research progress of laser material increasing technology in Xi'an Jiaotong University is introduced in detail: (1) the effect of ultrasonic vibration assisted laser coating deposition on the microstructure and properties of IN718 deposition; (2) study on the repair of DZ125L blades by induction-assisted laser cladding deposition of DD4 directional crystals; (3) study on laser cladding deposition process of) Cu W functionally graded composites; (4) effect of powder feeding gas purity on the microstructure and properties of laser-coated Fe314 repair 40Cr; Finally, the challenges of laser material increasing manufacturing technology are described.
【作者单位】： 西安交通大学机械制造系统工程国家重点实验室;
【基金】：国家重点专项“高性能金属结构件激光增材制造控形控性研究”(2016YFB1100102) 国家自然科学基金项目(51275392) 陕西省科技统筹创新工程计划项目(2015KTTSGY03-06)
【分类号】：TG665
，
本文编号：2484485
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