Physics-aware feedforward dwell time adjustment for mitigating distortion in additively manufactured cantilevers [0.03%]
基于物理的前馈驻留时间调整以减轻悬臂梁添加剂制造中的变形问题
Barış Kavas,Lars Witte,Efe C Balta et al.
Barış Kavas et al.
Heterogeneous temperature distributions in additively manufactured metallic parts, particularly in laser powder bed fusion (PBF-LB/M), pose a major challenge to achieving high-quality components due to thermal distortions, microstructural i...
Effect of thermoplastic polyurethane filament on the cellular ceramics structures obtained from material extrusion and polymer-derived ceramic [0.03%]
基于热塑性聚氨酯丝线的材料挤出和聚合物衍生陶瓷所得多孔陶瓷结构的研究
Apoorv Kulkarni,Louisa Eckey,Pietro Mosca et al.
Apoorv Kulkarni et al.
Cellular ceramic structures were fabricated via 3D printing of thermoplastic polyurethane (TPU) followed by impregnation with polysilazane, and pyrolysis. The 3D printing was performed using fused filament fabrication (FFF), while the ceram...
Rapid processing window development of Mo-Si-B alloy for electron beam powder bed fusion [0.03%]
电子束粉末床熔化莫-硅-硼合金的快速加工窗口开发研究
Yong Chen,Jonas Böhm,Benjamin Wahlmann et al.
Yong Chen et al.
The multiphase alloy Mo-9Si-8B (at.%) exhibits high oxidation, creep, and fracture resistance at high temperatures. With a melting point of about 2360 °C, it is a promising material for ultra-high temperature applications in turbine engine...
Application of strain tomography and contour method to residual stress analysis in additively manufactured CM247LC superalloy parts [0.03%]
应变层析技术及等高线法在激光DED成型CM247LC镍基高温合金残余应力分析中的应用研究
Fatih Uzun,Mohamed Fares Slim,Hector Basoalto et al.
Fatih Uzun et al.
Residual stresses are recognized as a critical factor influencing the mechanical performance and structural integrity of additively manufactured parts, particularly in nickel-based superalloys. Although the contour method and strain tomogra...
A finite element approach for modelling the fracture behaviour of unidirectional FFF-printed parts [0.03%]
一种模拟单向FFF打印件断裂行为的有限元方法
Simon Seibel,Josef Kiendl
Simon Seibel
We present a finite element modelling approach for unidirectional Fused Filament Fabrication (FFF)-printed specimens under tensile loading. In this study, the focus is on the fracture behaviour, the goal is to simulate the mechanical behavi...
The effect of inter- and intra-layer delay time on TPU parts fabricated by laser powder bed fusion [0.03%]
分层间和层内延迟时间对激光粉末床熔融增材制造TPU零件的影响研究
Samuel Connor,Ruth Goodridge,Ian Maskery
Samuel Connor
In polymer laser powder bed fusion (PBF-LB-P) techniques, such as laser sintering, the time between scanning a given point in one layer and the same x-y point in the next layer is known as the 'inter-layer delay time'. Multiple parts are no...
Multimodal defect analysis and application of virtual machining for solid-state manufactured aluminium structure [0.03%]
固态成型铝合金结构的虚拟加工多模态缺陷分析与应用
Vladislav Yakubov,Halsey Ostergaard,Shishira Bhagavath et al.
Vladislav Yakubov et al.
Additive friction stir deposition (AFSD) is an emerging solid-state non-fusion additive manufacturing (AM) technology, which produces parts with wrought-like material properties, high deposition rates, and low residual stresses. However, im...
Fused filament fabrication of polyetheretherketone in vacuum: the influence of high vacuum on layer adhesion in z-orientation [0.03%]
真空环境下聚醚醚酮熔融挤出成型工艺的研究：高真空度对Z向层层结合力的影响研究
Marina Kühn-Kauffeldt,Marvin Kühn,Christoph Mittermeier et al.
Marina Kühn-Kauffeldt et al.
The application of fused filament fabrication (FFF) in vacuum changes the heat transfer of the process. This work investigates the influence of the working ambient pressure conditions in FFF-based 3D printing of polyetheretherketone (PEEK) ...
4D fabrication of shape-changing systems for tissue engineering: state of the art and perspectives [0.03%]
用于组织工程的形状改变系统的4D制造：最新进展和前景
Lorenzo Bonetti,Giulia Scalet
Lorenzo Bonetti
In recent years, four-dimensional (4D) fabrication has emerged as a powerful technology capable of revolutionizing the field of tissue engineering. This technology represents a shift in perspective from traditional tissue engineering approa...
Degradation characteristics of 3D printed continuous fibre-reinforced PA6/chopped fibre composites in simulated saltwater [0.03%]
三维打印连续纤维增强PA6/短切纤维复合材料在模拟海水中的老化特性
Pouyan Ghabezi,Tomas Flanagan,Michael Walls et al.
Pouyan Ghabezi et al.
This paper investigates the performance of continuous fibre-reinforced 3D printed components in salt water medium at room temperature. Markforged® Mark Two 3D printer was employed to fabricate standard specimens made of Onyx and reinforced...