...Umesh kizhakkinan; Sankaranarayanan Seetharaman; Nagarajan Raghavan; David W Rosen Laser powder bed fusion (L-PBF) is a popular metal additive manufacturing (AM) process used to manufacture complex metallic 3D components. Maraging steel is one of the metals used in AM and it belongs to the class...

...Hui Yang; Joni Reijonen; Alejandro Revuelta Automated optical inspection (AOI) is increasingly advocated for in situ quality monitoring of additive manufacturing (AM) processes. The availability of layerwise imaging data improves the information visibility during fabrication processes and is thus...

...Shu Wang; Xueqin Zheng; Cunfu Wang; Huageng Luo; Shi-Kai Jing The paper presents formulations for hybrid casting and additive manufacturing(AM) in density-based topology optimization. A location-based Heaviside function is introduced to represent the parting surface. The optimized part on two sides...

...) additive manufacturing (AM), the sub-millimeter features of lattices are at the edge of process capabilities and suffer from low geometric quality. To better understand their complex process-structure-property (PSP) relationships, octahedron structures were manufactured across a power spectrum, inspected...

... 2022 07 04 2023 13 04 2023 09 05 2023 supersonic spraying cold spray droplet numerical modeling CFD nanocoating particle image velocimetry (PIV) additive manufacturing advanced materials and processing nontraditional manufacturing processes Supersonic cold spray...

...Suyog Ghungrad; Meysam Faegh; Benjamin Gould; Sarah J. Wolff; Azadeh Haghighi Physics-informed deep learning (PIDL) is one of the emerging topics in additive manufacturing (AM). However, the success of previous PIDL approaches is generally significantly dependent on the existence of massive...

...: mushuiai123@163.com 07 11 2022 26 03 2023 27 03 2023 19 04 2023 gas-powder flow molten pool dynamics heat and mass transfer pore defect directed energy deposition additive manufacturing advanced materials and processing CAD/CAM/CAE modeling and simulation...

...Yue Zhou; Fuda Ning In this work, we developed a new additive manufacturing paradigm, coaxial wire–powder-fed directed energy deposition (CWP-DED), to enable the fabrication of metals or composites with high manufacturing flexibility and efficiency. Herein, stainless steel (SS) 316L was selected...

... are obtainable from the corresponding author upon reasonable request. References [1] Gibson , I. , Rosen , D. W. , Stucker , B. , and Khorasani , M. , 2021 , Additive Manufacturing Technologies , Springer , New York . [2] Hu , Y. , Guo , Z. , Ragonese , A. , Zhu...

...Aman Nigam; Bruce L. Tai Fiber-reinforced polymer (FRP) additive manufacturing has transformed fused filament fabrication (FFF) by manufacturing products with excellent mechanical characteristics. However, the surface finish and dimensional characteristics of printed FRP parts are typically poor...

...Ayantha Senanayaka; Wenmeng Tian; T. C. Falls; Linkan Bian This study aims to develop an intelligent, rapid porosity prediction methodology for additive manufacturing (AM) processes under varying process conditions by leveraging knowledge transfer from the existing process conditions. Conventional...

...Hany Osman; Ahmed Azab; Mohammed Fazle Baki Hybrid manufacturing technology has enabled manufacturers to combine advantages of mainly subtractive and additive manufacturing technologies. A single machine supports producing products with complex geometry, at high quality, and with a high degree...

...Zipeng Guo; Fan Fei; Xuan Song; Chi Zhou Direct ink writing (DIW) process is a facile additive manufacturing technology to fabricate three-dimensional (3D) objects with various materials. Its versatility has attracted considerable interest in academia and industry in recent years...

...Zebin Li; Luis Javier Segura; Yifu Li; Chi Zhou; Hongyue Sun Inkjet printing (IJP) is one of the promising additive manufacturing techniques that yield many innovations in electronic and biomedical products. In IJP, the products are fabricated by depositing droplets on substrates, and the quality...

...Christian Zamiela; Zhipeng Jiang; Ryan Stokes; Zhenhua Tian; Anton Netchaev; Charles Dickerson; Wenmeng Tian; Linkan Bian We developed a deep fusion methodology of nondestructive in-situ thermal and ex-situ ultrasonic images for porosity detection in laser-based additive manufacturing (LBAM...

... functionally-graded additively manufactured (FGAM) parts. This paper specifically investigates the manufacture of stainless steel (SS) 316L structures via a pulsed selective laser melting (SLM) process, and the underlying causes of property variations (within a functionally-acceptable range) through various...

...Umar Farooq Ghumman; Lichao Fang; Gregory J. Wagner; Wei Chen Additive manufacturing (AM) simulations offer an alternative to expensive AM experiments to study the effects of processing conditions on granular microstructures. Existing AM simulations lack support from reliable validation techniques...

...Mohammad Saleh Kenevisi; Feng Lin Defects, such as pores and cracks, can be found in parts fabricated by powder-bed additive manufacturing techniques. The origin of certain defects, such as some voids, can be linked to initial powder quality, which makes it an important factor in the process...

...Durant Fullington; Linkan Bian; Wenmeng Tian There is an urgent need for developing collaborative process-defect modeling in metal-based additive manufacturing (AM). This mainly stems from the high volume of training data needed to develop reliable machine learning models for in-situ anomaly...

...Amit Surana; Matthew E. Lynch; Abdalla R. Nassar; Greg C. Ojard; Brian A. Fisher; David Corbin; Ryan Overdorff Multi-laser powder bed fusion (M-LPBF) systems are garnering increased attention in metal additive manufacturing as they promise increased productivity and part size without sacrificing...