Object-Space Optimization of Tomographic Reconstructions for Additive Manufacturing [0.03%]
基于层析重建的面向增材制造物体空间优化技术研究
Charles M Rackson,Kyle M Champley,Joseph T Toombs et al.
Charles M Rackson et al.
Volumetric 3D printing motivated by computed axial lithography enables rapid printing of homogeneous parts but requires a high dimensionality gradient-descent optimization to calculate image sets. Here we introduce a new, simpler approach t...
Scalable, process-oriented beam lattices: generation, characterization, and compensation for open cellular structures [0.03%]
可扩展的过程导向光束晶格:生成、表征和补偿开放式蜂窝结构
Ian R Woodward,Catherine A Fromen
Ian R Woodward
Additively manufactured lattices are emerging as promising candidates for structural, thermal, chemical, and biological applications. However, achieving a satisfactory prototype or final part with this level of complexity requires synthesis...
Influence of random and designed porosities on 3D printed tricalcium phosphate-bioactive glass scaffolds [0.03%]
随机和设计孔隙率对3D打印的三方磷酸钙-生物活性玻璃支架的影响
Susmita Bose,Arjak Bhattacharjee,Dishary Banerjee et al.
Susmita Bose et al.
Calcium phosphate (CaP)-based ceramics are a popular choice for bone-graft applications due to their compositional similarities with bone. Similarly, Bioactive glass (BG) is also common for bone tissue engineering applications due to its ex...
Mechanical and morphological properties of additively manufactured SS316L and Ti6Al4V micro-struts as a function of build angle [0.03%]
构建角度对增材制造的SS316L和Ti6Al4V微支柱的机械和形态特性的影响
Umar Hossain,Shaaz Ghouse,Kenneth Nai et al.
Umar Hossain et al.
Additive manufacturing methods such as laser powder bed fusion (PBF) can produce micro-lattice structures which consist of 'micro-struts', which have properties that differ from the bulk metal and that can vary depending on the orientation ...
Fraser Daniel,Andy Gleadall,Adarsh D Radadia
Fraser Daniel
The aligned bond interfaces resulting from the layer-by-layer nature of material extrusion-based additive manufacturing (MEAM) leads to anisotropic properties in printed parts. This study examines the anisotropy in electrical impedance and ...
Effects of surface area and topography on 3D printed tricalcium phosphate scaffolds for bone grafting applications [0.03%]
表面积和地形对骨移植用三维打印三钙磷灰石支架的影响研究
Ashley A Vu,Destany A Burke,Amit Bandyopadhyay et al.
Ashley A Vu et al.
Additive manufacturing (AM), or 3D printing, of bioceramic scaffolds promises personalized treatment options for patients with site-specific designability for repair and reconstruction of bone defects. Although the theory for creating these...
Digital light processing in a hybrid atomic force microscope: In Situ, nanoscale characterization of the printing process [0.03%]
数字光处理混合式原子力显微镜:印刷过程的原位纳米级表征
Callie I Higgins,Tobin E Brown,Jason P Killgore
Callie I Higgins
Stereolithography (SLA) and digital light processing (DLP) are powerful additive manufacturing techniques that address a wide range of applications including regenerative medicine, prototyping, and manufacturing. Unfortunately, these printi...
The effects of particle size distribution on the rheological properties of the powder and the mechanical properties of additively manufactured 17-4 PH stainless steel [0.03%]
颗粒粒度分布对17-4PH不锈钢粉体流变特性及激光立体成形层片性能的影响研究
Jordan S Weaver,Justin Whiting,Vipin Tondare et al.
Jordan S Weaver et al.
It is well known that changes in the starting powder can have a significant impact on the laser powder bed fusion process and subsequent part performance. Relationships between the powder particle size distribution and powder performance su...
Transient Laser Energy Absorption, Co-axial Melt Pool Monitoring, and Relationship to Melt Pool Morphology [0.03%]
激光能量瞬态吸收、同轴熔池监测及其与熔池形貌的关系研究
Brandon Lane,Ivan Zhirnov,Sergey Mekhontsev et al.
Brandon Lane et al.
Melt pool monitoring (MPM) is a technique used in laser powder bed fusion (LPBF) to extract features from insitu sensor signals that correlate to defect formation or general part fabrication quality. Various melt pool phenomena have been sh...
Part geometry and conduction-based laser power control for powder bed fusion additive manufacturing [0.03%]
基于零件几何形状和导电性的激光功率控制对粉末床熔合增材制造的影响研究
Ho Yeung,Brandon Lane,Jason Fox
Ho Yeung
Laser powder bed fusion (LPBF) uses a focused, high power laser to repeatedly scan geometric patterns on thin layers of metal powder, which build up to a final, solid three-dimensional (3D) part. This process is somewhat limited in that the...