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Showing papers in "Journal of Materials Processing Technology in 2022"


Journal ArticleDOI
TL;DR: In this paper, the authors provide a comprehensive and exhausting analysis of the recent achievements and progress on joining of Al alloys to steel by various laser-based joining processes, including laser keyhole welding, laser welding-brazing, laser-arc welding and laser roll pressure welding and joining based on laser additive manufacturing.

87 citations


Journal ArticleDOI
TL;DR: In this paper , the authors provide a comprehensive and exhausting analysis of the recent achievements and progress on joining of Al alloys to steel by various laser-based joining processes, including laser keyhole welding, laser welding-brazing, laser-arc welding and laser roll pressure welding and joining based on laser additive manufacturing.

87 citations


Journal ArticleDOI
TL;DR: In this paper , a laser-induced ablation-assisted grinding (LIAAG) method was proposed for continuous fiber-reinforced ceramic matrix composites, which used lasers to ablate workpieces before grinding.

51 citations


Journal ArticleDOI
TL;DR: In this paper , a predictive model for the LAG process was established, which has taken the combined effects of temperature-dependent mechanical properties of the material, statuses of grit-material micro interaction, and stochastic shapes and random distributions of abrasive grits into consideration.

40 citations


Journal ArticleDOI
TL;DR: In this article , a thin wall of AZ31 Mg alloy with fine equiaxed grains was fabricated via gas tungsten arc-based wire arc additive manufacturing (WAAM-GTA) technology.

33 citations


Journal ArticleDOI
TL;DR: In this paper, a thin wall of AZ31 Mg alloy with fine equiaxed grains was fabricated via gas tungsten arc-based wire arc additive manufacturing (WAAM-GTA) technology.

33 citations


Journal ArticleDOI
TL;DR: In this paper, the microstructure of a thick 316LSi WAAM part is characterized in detail, and the texture spatially varies across the part, and this variation is correlated to the local thermal gradient induced by the building strategy and processing conditions used during the manufacturing of the part.

32 citations


Journal ArticleDOI
TL;DR: In this paper , the microstructure of a thick 316LSi WAAM part is characterized in detail, which consists of large and highly oriented columnar grains dominated by epitaxial and competitive growth.

31 citations


Journal ArticleDOI
TL;DR: In this article , the authors provide a comprehensive insight into additive manufacturing process mechanics, which explore how thermodynamics give rise to characteristic microstructure and property, and how solidification micro-structure is modified using processing conditions and utilisation of traditional casting methods.

31 citations


Journal ArticleDOI
TL;DR: In this paper, the authors provide a comprehensive insight into additive manufacturing process mechanics, which explore how thermodynamics give rise to characteristic microstructure and property, and how solidification micro-structure is modified using processing conditions and utilisation of traditional casting methods.

31 citations


Journal ArticleDOI
TL;DR: In this paper, a hybrid constitutive model which combines the phenomenological, thermal activation and dislocation annihilation models is established and experimentally calibrated for ultrasonic-assisted incremental sheet forming (UISF).

Journal ArticleDOI
TL;DR: In this article , the authors demonstrate the knowledge learned by the two native deep learning (DL) networks, namely VGG and ResNets, on four LPBF process mechanisms such as balling, Lack of Fusion (LoF) pores, conduction mode, and keyhole pores in stainless steel (316L) can be transferred to bronze (CuSn8).

Journal ArticleDOI
Yanle Li1
TL;DR: In this article , a hybrid constitutive model which combines the phenomenological, thermal activation and dislocation annihilation models is established and experimentally calibrated for ultrasonic-assisted incremental sheet forming (UISF).

Journal ArticleDOI
TL;DR: In this paper, experimental and numerical approaches are performed to explore the influence of scanning strategies on the microstructure, crystallographic texture as well as the mechanical behavior of Ti-6Al-4V alloy manufactured by Laser Powder Bed Fusion (LPBF).

Journal ArticleDOI
TL;DR: In this paper , a comprehensive and yet critical review of light alloy development for cast components used in lightweight and high-performance structural and propulsion applications is presented, including gravity casting, high pressure die casting, and low pressure casting.

Journal ArticleDOI
TL;DR: In this article , a real-time anomaly detection method that uses a convolutional neural network (CNN) in wire arc additive manufacturing (WAAM) is presented, which enables creation of CNN-based models that detect abnormalities by learning from the melt pool image data, which are pre-processed to increase learning performance.

Journal ArticleDOI
TL;DR: In this article , the individual and synergistic effects of different post-treatments including heat treatment, shot peening and ultrasonic nanocrystalline surface modification on microstructure, surface morphology, roughness, mechanical, corrosion and tribological properties of LPBF AlSi10Mg specimens have been investigated.

Journal ArticleDOI
TL;DR: In this paper , experimental and numerical approaches are performed to explore the influence of scanning strategies on the microstructure, crystallographic texture as well as the mechanical behavior of Ti-6Al-4V alloy manufactured by Laser Powder Bed Fusion (LPBF).

Journal ArticleDOI
TL;DR: In this article, the influence of laser power, scanning speed, hatch spacing and layer thickness on the surface quality and internal hole defect of SLMed 18Ni300 maraging steel was investigated, and the thermal and physical behaviour and instability of the molten pool, as well as the formation and distribution behaviour of internal hole defects were also analyzed and discussed.

Journal ArticleDOI
TL;DR: The dynamic governing equation of the thin-wall milling process with the moving fixture is finally established and solved to predict the stability lobe diagrams (SLDs).

Journal ArticleDOI
TL;DR: In this article, an ultrasonic surface rolling process (USRP) was used to fabricate a gradient nanostructured commercial pure titanium, and the site-specific microstructure, refining mechanisms and mechanical properties were investigated by high-resolution transmission electron microscopy, electron backscatter diffraction and tensile test.

Journal ArticleDOI
TL;DR: In this paper, the authors compare three common strategies to measure porosity: the Archimedes, micrograph-based, and micro-computed tomography approaches and find that while these methods work equally well at low void fraction, their predictions diverge at higher void fractions (> 5 %).

Journal ArticleDOI
TL;DR: In this paper , the authors compare three common strategies to measure porosity: the Archimedes, micrograph-based, and micro-computed tomography approaches and find that while these methods work equally well at low void fraction, their predictions diverge at higher void fractions (> 5 %).

Journal ArticleDOI
TL;DR: In this paper, a feasible method of stationary-dynamic shoulder friction stir welding has been developed, which reduces the mixing of materials and inhibit the growth of IMCs during the Al-Cu welding process.

Journal ArticleDOI
TL;DR: In this article , the authors reviewed recent advances in Mechanistic-AI, defined as a methodology that combines the raw mathematical power of AI methods with mechanism-driven principles and engineering insights, with a focus on approaches that can improve data requirements, generalizability, explainability and capability to handle challenging and heterogeneous manufacturing data.

Journal ArticleDOI
TL;DR: In this article, a hybrid laser polishing technology combining pulsed laser and continuous wave laser was applied to polish the surface of laser directed energy deposition (LDED) Inconel 718 superalloy components.

Journal ArticleDOI
TL;DR: In this article , a hybrid laser polishing technology combining pulsed laser and continuous wave laser was applied to polish the surface of laser directed energy deposition (LDED) Inconel 718 superalloy components.

Journal ArticleDOI
TL;DR: In this paper , the authors present a comparative review of cavitation peening methods for water jet, pulsed laser, and ultrasonic cavitation, and present key insights and achievements and address future directions that are required for advancing Cavitation Peening technology.

Journal ArticleDOI
TL;DR: In this article, surface defects such as chip layer adhesion, debris, feed marks, and burrs were investigated and identified, and surface roughness, micro-hardness, and residual stress were analyzed and discussed.

Journal ArticleDOI
TL;DR: In this article , a moving fixture is designed to instantaneously and continuously provide additional stiffness and damping to the instantaneous contact position between the moving fixture and the workpiece, and as the device moves, the chatter vibrations of the work piece during the whole process are suppressed without the need of any other additional hardware.