selectivelasermelting相关论文
采用激光选区熔化技术分别在基板温度35℃和200℃条件下制备了Al-3.40Mg-1.08Sc合金板材,并对其沿高度方向上的耐蚀性能进行了研究......
In-situ observation of asymmetrical deformation around inclusion in a heterogeneous additively manuf
Oxide inclusions widely exist in additively manufactured components due to the native oxide layer on the powder surface,......
Selective laser melting (SLM), an additive manufacturing process mostly applied in the metal material field, can fabrica......
Grain boundary character and stress corrosion cracking behavior of Co-Cr alloy fabricated by selecti
In this work,we used the selective laser melting (SLM) fabricated Co-Cr alloy with prominent residual strain,extremely n......
Additive manufacturing of a high strength Al-5Mg2Si-2Mg alloy:Microstructure and mechanical properti
A novel Al-5Mg2Si-2Mg alloy was processed by selective laser melting (SLM) to understand its repre-sentative features of......
Recent reports on the selective laser melting (SLM) process under a vacuum or low ambient pressure have shown fewer defe......
The influence of heat treatments on the microstructures and mechanical properties of the selective laser melting manufac......
采用选区激光熔化技术(SLM)制备了梯度Ti-6Al-4V合金.随着样品沉积厚度的逐渐增加,控制激光功率或扫描速率逐步升高或降低,以此研......
Spherical Nb-20Si-24Ti-2Cr-2Al pre-alloyed powders were processed by selective laser melting (SLM) on Ti6Al4V substrates......
The different types of metal powder used for selective laser melting (SLM) process would cause distinct corrosion behavi......
In this study,near fully dense (96.5％) pure tungsten bulks were additively manufactured and the cracking behavior was inv......
Experimental Investigation on the LCF Behavior Affected by Manufacturing Defects and Creep Damage of
Uniaxial tensile tests and stress-controlled low-cycle fatigue (LCF) and creep-fatigue interaction (CFI) tests of Incone......
Corrosion Behavior of Selective Laser Melted AlSi10Mg Alloy in NaCl Solution and Its Dependence on H
This work investigates the corrosion behavior of AlSi 10Mg alloy produced by selective laser melting (SLM) and the count......
Selective Laser Melting of 30CrMnSiA Steel: Laser Energy Density Dependence of Microstructural and M
Three-dimensional parts of the 30CrMnSiA steel were successfully fabricated using selective laser melting (SLM).The micr......
Microstructural evolution and mechanical properties of Alloy 718 fabricated by selective laser melti
In this study,Alloy 718 specimens were fabri-cated via selective laser melting(SLM),and the effects of different post-tr......
通过球磨混粉的方式在316L不锈钢3D打印专用粉体表面引入纳米V8C7颗粒,利用选区激光熔化(SLM)技术制备了V8C7/316L复合材料试样及......
利用激光选区熔化(SLM)工艺成形TiB2/S136复合材料,研究了激光体能量密度η对SLM成形试样致密度、微观组织及力学性能的影响。采用......
激光选区熔化(SLM)技术是目前最主要的激光粉末床熔融制造方式之一。SLM技术是基于逐层制造成型的过程,其工作时间成本一直是该技......
One of the bottleneck issues for commercial scale-up of Ti additive manufacturing lies in high cost of raw material, i.e......
使用选区激光熔化技术,通过改变激光功率和扫描速度进行阵列实验,获得了多组GH4169块体。计算能量输入密度并测量块体的致密度,观......
采用选区激光熔化(SLM)技术制备了GH4169冲击韧性试样,并对其微观组织进行观察。结果表明:在优选的SLM工艺参数范围内,成形试样中......
模具钢H13具有优良的高温性能，在高温压铸模具领域有着广泛的应用。传统加工方式无法制造复杂结构的随形冷却模具，常规选择性激光熔......
采用激光选区熔化(SLM)工艺打印18Ni-300马氏体时效钢零件,研究了正离焦量对18Ni-300成型零件打印质量和力学性能的影响规律。结果......
为研究激光选区熔化(SLM)工艺成形CX马氏体时效不锈钢时的成形质量与力学性能,基于单熔道实验确定了CX马氏体时效不锈钢SLM成形的......
采用激光选区熔化技术制备24CrNiMo合金钢,研究不同扫描策略下成形件的显微组织、相组成和热疲劳性能。结果表明:24CrNiMo合金钢的......
熔池温度是选区激光熔化金属成型过程的一个重要参数。为了实现熔池温度的闭环控制,基于比色测温与光电检测技术完成了熔池温度的......
采用激光选区熔化（SLM）成形技术制备了TC4试验件和飞机进气口格栅零件，分析了试验件的微观组织和力学性能。结果表明：对于相同处理态的......
Three types of scanning strategies, including the chessboard scanning strategy, the zigzag scanning strategy and the rem......
为获得适用于电子封装的W-Cu材料,对60W-40Cu、70W-30Cu、75W-25Cu和80W-5Ni-15Cu合金进行选区激光熔化实验,研究了W含量对合金微......
随着快速成型技术的进步，其研究热点转变到快速直接制造金属功能零件方面，应用范围也拓展到航空航天、医疗、汽车、模具等领域。针对......
以激光选区熔化TC4构件为研究对象，研究了倾斜角对构件内部结构成形精度的影响。设计了具有不同倾斜孔道结构的TC4构件，采用优化后的......
激光选区熔化（SLM）增材制造技术为NiTi形状记忆合金复杂结构件的制造开辟了新途径，已成为智能材料领域的研究热点之一。本课题组采用......
采用激光选区熔化技术成功制备了TiN增强钛基复合材料,并研究了TiN含量对钛基复合材料微观结构、显微硬度和摩擦磨损行为的影响。......
贝壳珍珠层高强高韧的优异力学性能主要归因于其独特的异质异构特征。贝壳珍珠层仿生制品具有异质和结构复杂的特点,传统的制造方......
为研究18Ni300模具钢选区激光熔化成形过程中多目标最优工艺问题,设计了以激光功率、扫描速度、扫描间距、铺粉厚度为工艺参数,以......
采用选区激光熔化(SLM)技术,研究了工艺参数对成形SRR99镍基单晶高温合金裂纹、气孔、显微组织等的影响。结果表明,在激光功率一定......
针对选区激光熔化(SLM)工艺参数的匹配性对成形质量的影响,选取三种激光功率在不同的扫描速度和扫描方式下进行实验,研究了激光功......
采用选区激光熔化技术成形Inconel625高温合金(IN625)试样,探讨激光能量密度对试样孔隙和裂纹等缺陷的影响,并分析最佳相对密度试......
为降低3D打印铜合金的生产成本, 采用水雾化法制备的Cu-10Sn合金粉末作为原材料,进行激光选区熔化(SLM)试验。通过优化打印工艺参......
为了研究结构类型和孔隙率对多孔Ti-6Al-4V合金拉伸性能的影响,对激光选区熔化技术成型的体心立方(BCC)、Z方向增强体心立方(BCCZ)......
对平行于长边和平行于短边的两种“Z”形扫描路径进行有限元仿真。综合考虑热传导、热对流、热辐射效应和温度对合金粉末材料热物......
采用有限元方法(FEM),考虑了粉末-实体状态的转变以及相变潜热等因素,建立了不同扫描速度下的单层多道温度场仿真模型,并结合实验......
采用激光选区熔化技术成形了不同粒径的S136模具钢, 研究了粉末粒径对成形件相组成、组织、磨损性能和抗腐蚀性能的影响。结果表明......
采用选区激光熔化(SLM)技术制备了24CrNiMo合金钢件,研究了SLM工艺参数对成形合金钢件显微组织、致密度、硬度及拉伸性能的影响。......
Reduction of residual stress in porous Ti6Al4V by in situ double scanning during laser additive manu
Selective laser melting (SLM) technology plays an important role in the preparation of porous titanium (Ti) implants wit......
Reduction of residual stress in porous Ti6Al4V by in situ double scanning during laser additive manu
Selective laser melting (SLM) technology plays an important role in the preparation of porous titanium (Ti) implants wit......
为研究选区激光熔化Al-Mg-Sc-Zr合金的温度场和应力场,建立三维有限元分析模型.在考虑粉末-固体转变、材料热物理性能参数随温度变......
Role of Co Content on Densification and Microstructure of WC-Co Cemented Carbides Prepared by Select
WC-Co cemented carbides,well-known as the conventional tooling materials,have not been successfully produced by one step......
Performance of Ti6Al4V fabricated by electron beam and laser hybrid preheating and selective melting
Electron beam selective melting (EBM) and selective laser melting (SLM)are regarded as significant manufacturing process......
