scispace - formally typeset
Search or ask a question

Showing papers in "Journal of Manufacturing Processes in 2019"


Journal ArticleDOI
TL;DR: In this article, a bottom tapping stir casting furnace with electromagnetic and ultrasonic stirrer along with squeeze attachment is recommended for the production of metal matrix composites, based on the critical assessment of the literature, especially the mechanical properties of the produced MMCs.

332 citations


Journal ArticleDOI
Geng Peng1, Ji Zhao1, Wu Wenzheng1, Wenli Ye1, Y. Wang1, Shuobang Wang1, Shuo Zhang1 
TL;DR: In this article, the effects of extrusion speed and printing speed on the microstructure and dimensions of an extruded PEEK filament in 3D printing were investigated and a control algorithm that mathematically replaces the nozzle diameter with the diameter of the extruded filament was proposed.

163 citations


Journal ArticleDOI
TL;DR: Wang et al. as discussed by the authors proposed a deep learning-based on-line defect detection for aluminum alloy in robotic arc welding using convolutional neural networks (CNN) and weld images.

139 citations


Journal ArticleDOI
TL;DR: In this article, the authors presented significant mechanical and electrical property enhancement of 3D printed parts through dispersion of multiwall carbon nanotubes (MWCNTs) using a twin-screw micro-compounding extruder having a backflow channel facility.

129 citations


Journal ArticleDOI
TL;DR: In this article, a new hybrid cryogenic MQL cooling/lubrication technique is proposed for end milling Ti-6Al-4V using coated solid carbide tools.

126 citations


Journal ArticleDOI
TL;DR: In this paper, the microstructure and mechanical properties of as-deposited and heat-treated 2024 aluminum alloy deposits were tested and analyzed, and it was shown that post-deposition heat treatment can improve the micro hardness, strength and horizontal elongation of WAAM 2024 alloy deposits.

106 citations


Journal ArticleDOI
TL;DR: An extensive literature survey on textured cutting tools in machining processes is presented in this paper, which includes different techniques used in creating these textures on cutting tool, experimental setups, the mechanism how textured tool is performing better than conventional tool, different modelling and simulation techniques used and the effect of these texture on improvement in surface finish, reducing cutting forces, tool wear, friction and cutting temperature.

93 citations


Journal ArticleDOI
TL;DR: In this paper, a blind source separation method is used to separate source signals from noise and an extended principal component analysis is used for dimensionality reduction, which can be used to classify tool wear conditions with high accuracy.

85 citations


Journal ArticleDOI
TL;DR: In this paper, the effect of slope angle on surface finish of the samples fabricated by selective laser melting is characterized by scanning electron microscope and profilometer, and an analytical model of material removal rate is devised by correlating initial surface roughness of workpiece generated by SLM with abrasive indentation depth, which eventually determines the total material removal volume in MAF process.

82 citations


Journal ArticleDOI
TL;DR: In this paper, the spatter formation and distribution on the powder-bed surface, due to the melt pool instability and flow field around the process zone, is considered as one of the drawbacks of this process.

78 citations


Journal ArticleDOI
TL;DR: In this paper, the basic principle, research status and development bottleneck of various dressing methods for super-abrasive grinding wheels were summarized and compared in terms of dressing efficiency, dressing accuracy and environmental friendliness.

Journal ArticleDOI
TL;DR: In this article, Deionised water mixed with tungsten disulphide (WS2) powder (average particle size: 15μm) was used as dielectric medium and brass rod of diameter 800 μm is used as the tool to produce a hard and solid-lubricating layer over Ti6Al4V work piece surface.

Journal ArticleDOI
TL;DR: In this article, a review of the research work carried out in the area of direct metal laser fabrication and their various challenges evolved during part fabrication consisting of different metals and alloys is presented.

Journal ArticleDOI
TL;DR: In this paper, the mechanical properties of thermoplastic polymer parts obtained by Arburg Plastic Free forming (APF) are studied and the tensile mechanical properties are evaluated by varying some manufacturing parameters, such as the printing path.

Journal ArticleDOI
TL;DR: In this paper, powder mixed electrical discharge machining (PMEDM) is proposed and investigated for concurrent machining and coating an antibacterial layer on the surface of titanium workpieces.

Journal ArticleDOI
TL;DR: In this article, the authors compared the properties of polyamide 12 (PA12) parts fabricated by SLS and multi jet fusion (MJF) and found that the results showed that the MJF parts had approximately elliptical shapes, similar particle sizes, distributions and sintering windows.

Journal ArticleDOI
TL;DR: In this paper, the effect of four different scanning strategies on the microstructure and mechanical behavior of 316 L stainless steel synthesized by selective laser melting (SLM) was examined.

Journal ArticleDOI
TL;DR: In this article, a bowl-shaped stir zone (SZ) with fine equiaxed grains is presented, and its grain size increases as increasing the tool rotational speed.

Journal ArticleDOI
TL;DR: In this article, the importance of nanoparticles stability by adding of surface active agent (surfactant) as additive elements was evaluated, and the results indicated that reinforced nanofluid could significantly improve the cutting mechanism.

Journal ArticleDOI
TL;DR: In this article, a 120-W MOPA pulsed fiber laser was used to remove the oxide layer on the surface of aluminum alloy effectively, which improved the tensile and bending properties.

Journal ArticleDOI
TL;DR: In this article, continuous laser welding with spatial beam oscillation was investigated as a method of joining combinations of thin copper and aluminum sheets, making it possible to determine which parameters were of greatest influence on the mechanical and electrical properties of the resulting joint.

Journal ArticleDOI
TL;DR: In this article, three different micro texture designs on both rake and flank face are investigated in combination with high-pressure coolant in machining Alloy 718, and the experimental investigation using different tool wear analysis methods showed that the combination of a cylindrical dimple on the rake and the square pyramid texture on the flank surface improved the wear resistance of the tool.

Journal ArticleDOI
TL;DR: In this article, the microstructural evolution and mechanical properties of gas tungsten arc welded creep strength enhanced martensitic (CSEM) and austenitic stainless steel (SS) dissimilar welded joint are explored in the as welded (AW) and post weld heat treated (PWHT) conditions.

Journal ArticleDOI
TL;DR: In this paper, a physics-based analytical model is presented to predict 3D temperature distribution in SLM with consideration of heat transfer boundary conditions so that the effects of build edges and geometries can be considered in the context of a closed-form solution.

Journal ArticleDOI
TL;DR: In this article, an experimental study of minimum quantity lubrication (MQL) has reached to propose an environmentally benign lubrication solution for the surface grinding of Ti6Al4V-ELI alloy with cubic boron nitride grinding wheel.

Journal ArticleDOI
TL;DR: Graphene nanoplatelets reinforced Al6061 surface composites were successfully fabricated by multiple micro channel reinforcement filling (MMCRF) strategy during multi-pass friction stir processing (FSP) as discussed by the authors.

Journal ArticleDOI
TL;DR: In this paper, a DP590 steel to AA7075 Al-alloy with lap configuration is successfully joined by dual beam laser welding-brazing without using filler metal.

Journal ArticleDOI
TL;DR: In this article, the authors proposed a generic analytical model of the periodicity in the fixed-abrasive planetary lapping process, which can calculate key lapping details in both the time and spatial domains (e.g. cycle duration, effective trajectory number, and lapping mark pattern).

Journal ArticleDOI
TL;DR: In this article, two kinds of surface structures were fabricated on the rake face of the carbide double-edge milling tool: (1) linear grooves parallel to the main cutting edge (named PAM); (2) linear girders perpendicular to the machined edge (called PEM), and the results showed that the surface quality of machined by the micro-textured milling tools is improved over that by the conventional one.

Journal ArticleDOI
TL;DR: In this article, the effect of four different oxide fluxes named: Cr2O3, MoO3 and SiO2 on weld bead geometry was studied, and the integrity of weld joint developed using TiO2 flux was assessed in light of microscopy, hardness test, tensile test and impact toughness test.