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Trans. Nonferrous Met. Soc. China 22(2012) s813-s819 Process analysis of direct laser melting to fabricate layered hybrid beads Jeong-hwan JANG1, Sung-min MUN1, Tae-hyun KIM1, Young-hoon MOON1 School of Mechanical Engineering, Engineering Research Center for Net Shape and Die Manufacturing, Pusan National University, Busan 609-735, Korea Received 21 May 2012; accepted 27 September 2012 Abstract......
Center of Ministry of Education on Laser Direct Manufacturing for Large Metallic Components, Beihang University, Beijing 100191, China Received 27 August 2012; accepted 15 October 2012 Abstract: Low... discontinuous grain boundary α phase gives rise to flexural propagating mode. Key words: titanium alloy; low cycle fatigue; laser melting deposition 1 Introduction TC18 is a high-alloyed α+β titanium......
Optical and Micro-Structural Properties of ZnO Thin Films Grown on Silicon Substrate by Pulsed Laser Deposition Xue Shoubin1,Tian Deheng1,Hu Lijun1,Wu Yuxin1,Zhuang Huizhao1,Xue Chengshan1,He... temperatures and oxygen pressures by pulsed laser deposition (PLD) using a Nd∶YAG laser with the wavelength of 1064 nm. X-ray diffraction (XRD), photoluminescence (PL), scanning electron microscopy (SEM......
Application of direct laser metal tooling for AISI H13 tool steel Hee-Jin JEONG1, Yoong-Ho JUNG2, Deug-Woo LEE3 1. Gyeongbuk Hybrid Technology Institute, Gyeongbuk, 770-170, Korea; 2. School... for bonding a single CNT upright on a targeted position, which is separated from a bundle of CNTs, is essential. Chemical vapor deposition[4] is used to grow a single CNT on a target as a means to bond......
microstructure are readily generated by laser additive manufacturing (LAM) due to its instantaneous solidification process, leading to a higher strength but reduced plasticity compared to the forged counterpart... profiling of Ti-6Al-4V components repaired through multiple laser additive re-melt technique [J]. Procedia Manufacturing, 2019, 35: 897-902. DOI: https://doi.org/ 10.1016/j.promfg.2019.06.036. [9] SONG Ya......
with elongation of more than 19 %, which shows that SLM is a potential technology for manufacturing near-beta titanium components. Key words: selective laser melting; Ti-5Al-5Mo-5V-1Cr-1Fe; near-β and β... Selective laser melting (SLM) as an advanced additive manufacturing process, can build functional and complex parts by selectively melting consecutive powder layers with a laser beam [1-3]. Thus, SLM......
, MARCUS H L. Silicon nitride coatings formed using the selective area laser deposition (sald) technique[J]. Materials Research Society Symposium-Proceedings, 1999, 555: 179-184. [3] SOLOMAH A G. Laser... Material Processing[M]. New York: Springer Verlag, 1996. [20] ISLAM M U, CAMPBELL G. Laser machining of ceramics: a review[J]. Materials and Manufacturing Processes, 1993, 8: 611-630. [21] MORITA N......
coating synthesized by plasma immersion ion implantation and deposition L Wen-quan(吕文泉)1, CAO Yong-zhi(曹永智)2, WANG Lang-ping(王浪平)1, WANG Xiao-feng(王小峰)1, GU Zhi-wei(顾至伟)1, YAN Yong-da(闫永达)2, YU Fu-li... cathode plasma immersion ion implantation and deposition technique (PIIID). Synthesis of TiBN composite cathodes was conducted by powder metallurgy technology and the content of hexagonal boron nitride......
美元.根据加工材料类型不同,增材制造可分为金属增材制造,非金属增材制造和生物材料增材制造等.以激光为热源的金属增材制造技术根据加工方式不同可分为选择性激光烧结(Selective laser sintering,SLS),激光熔化沉积(Laser metal deposition,LMD)和选区激光熔化(Selective laser melting,SLM)等.选择性激光烧结技术利用激光束扫描含... I, SHNECK R, STERN A. Heat treatment effect on the mechanical properties and fracture mechanism in AlSi10Mg fabricated by additive manufacturing selective laser melting process[J]. Materials Science......
;Chemical composition of GH4169 and Inconel718 powders 图1 盲槽损伤试样示意图和基体预热的激光沉积修复试样 Fig. 1 Schematic diagram of non-through groove damage(a) and laser deposition repair specimen base... Specimen number of laser deposition repair GH4169 alloy 2 结果与分析 2.1 残余应力 表3所列为修复体厚度为1.0 mm,0.5 mm的未预热和预热300 ℃时激光沉积修复GH4169合金试样的残余应力测量数据.其中,σx,σy方向如图1(a)所示.从表3可以看出,在损伤零件基体上应力检测点的残余应......
