Showing papers in "Journal of Materials Processing Technology in 2016"

TL;DR: In this paper, a continuous carbon fiber reinforced polylactic acid composite was manufactured by the rapid prototyping approach of three-dimensional (3D) printing, and the comparison experiments of printed samples with or without preprocessed carbon fiber bundle were performed.

TL;DR: In this article, a Si-added Al7075 alloy was tailored by adding 4% Silicon which increased the density to 99% and significantly reduced microcracks caused by the grain refining effect.

TL;DR: In this paper, the effect of nanoparticle concentration on the lubricating property of nanofluids for minimum quantity lubrication (MQL) grinding was experimentally investigated based on the status of nanoparticles.

TL;DR: A review of the main research activities recently carried out in the framework of hot stamping of boron steel sheets with tailored properties is given in this article, where the focus is on the process variants developed to locally adjust the mechanical properties of the hot stamped component as well as on the testing and modeling techniques needed to calibrate the numerical models of the tailored tempering processes and to evaluate the post-forming properties of stamped products.

TL;DR: In this paper, the effect of changing the scan speed on the formation of fusion lines and single tracks from an Al alloy, as well as their overlap to form a single layer was studied.

TL;DR: In this article, the inter-layer rolling process was employed during the deposition of aluminum alloys and its influence on porosity was investigated, and the influence of post-deposition heat treatment on porosities was investigated on the as-deposited samples as well as on the samples built with interlayer rolling of 45kN load.

TL;DR: An infrared thermal imaging system is developed to compare the effects of cooling rate and melt pool temperature on the microstructure of 316L stainless steel produced by Laser Additive Manufacturing (LAM) with injected powder melting as mentioned in this paper.

TL;DR: In this paper, the authors developed a multi-scale modeling methodology for fast prediction of part distortion by integrating a micro-scale laser scan model, a meso-scale layer hatch model, and a macro-scale part model.

TL;DR: In this paper, several batches of commercially available IN738LC powder made by gas and water atomization were characterized with respect to particle size distribution, morphology and chemical composition, and different powders were processed under equal conditions by selective laser melting (SLM).

TL;DR: In this article, a 3D transient fully coupled thermomechanical model was built to study the distortion and residual stress in electron beam additive manufactured Ti-6Al-4V build plates.

TL;DR: In this article, cuboidal parts fabricated with and without laser remelting were characterised using scanning electron microscopy (SEM), surface profilometry and X-ray photoelectron spectrophotometry (XPS).

TL;DR: In this article, the authors explored three types of support structures to help design practical supports and found that the orientation and distribution of the support structures influence the levelness of the built part.

TL;DR: In this article, the effect of deep cryogenic treatment on fracture toughness, wear resistance and load-carrying capacity of cold-work tool steels was investigated and the effectiveness of DCT was determined depending on the tool steel type and chemical composition.

TL;DR: In this paper, a low-coherence interferometric imaging technique, termed inline coherent imaging (ICI), is coaxially integrated into the selective laser melting process to monitor melt pool morphology changes and stability at 200 kHz.

TL;DR: In this paper, a dissimilar friction stir welding between aluminium and copper was investigated and the experimental results indicate that high quality joints can be obtained by placing the Cu plate on the advancing side of the tool rotation.

TL;DR: In this paper, an intelligent single-neuron self-adjusting controller is proposed for variable layer width control in wire and arc additive manufacturing (WAAM), where travel speed is selected as the input control variable and the layer width is chosen as the output.

TL;DR: In this paper, the quality of dissimilar weld joints between copper and stainless steel (SS) plates using electron beam welding with and without beam oscillation was evaluated through microstructural analysis, hardness, tensile, bend and impact tests.

TL;DR: In this article, a 2D thermal model of laser cladding process based on mass and energy balance is built incorporating the powder efficiency and solved with the finite element software COMSOL MULTIPHYSICS® v4.4.

TL;DR: In this paper, the corrosion behavior of an aluminium alloy processed through DMLS was studied using Potentiodynamic (PD) tests and Electrochemical Impedance Spectroscopy (EIS) tests.

TL;DR: In this paper, a spatially resolved acoustic spectroscopy (SRAS) technique is applied to prepare additively manufactured material to measure the material properties and identify defects, and the number of pore size remains the same for 140 W to 190 W melting power (mean: 115-119 μm optical and 134-137 μm velocity).

TL;DR: In this paper, a simulation of the laser hot-wire (LHW) additive manufacturing process was conducted to obtain the temperature, stress and strain fields, and the distortion of the substrate.

TL;DR: In this article, a laser beam welding of a newly developed AA 2060 aluminum-lithium (Al-Li) alloy was performed with AlSi12 filler wire, which reduced the precipitation ability in the interior of grains.

TL;DR: In this article, a double electrode gas metal arc welding (DE-GMAW) based additive manufacturing (AM) system was developed to fabricate thin-wall components with high deposition rate and high deposition efficiency.

TL;DR: In this article, the authors investigated the effect of welding parameters such as torch arrangement, distance between heat sources and shielding gas composition on the quality of laser-arc hybrid welds.

TL;DR: In this paper, an explicit relation between SSD and R z in the BK7 grinding process is established based on the analytical calculation of the classic brittle material crack system and the grinding kinematics.

TL;DR: In this paper, a numerical model describing the evolution of ductile damage was developed to predict the onset of fracture during the clinch joining of thin aluminium AA6082-T6 sheets.

TL;DR: In this paper, the suitability of mechanical clinching to join fiber-reinforced plastics with aluminum sheets was investigated, and the geometry evolution of the joints during clinch joining was studied to understand the material flow and damage evolution of both aluminum and GFRP sheets.

TL;DR: In this article, the authors used high-precision modulus measurements using mechanical testing, resonant frequency damping analysis, and ultrasonic pulse-echo techniques to evaluate the consistency of the behavior of different grades of steel.

TL;DR: In this article, a 3D scanning technique was used to characterize and measure the dimensional errors that result from a mismatch between the truss member and the vertical build direction, even with the use of support structures.

TL;DR: In this article, the effect of tool wear progression on energy consumption at machine, spindle, and process levels is investigated at each level and the emissions and environmental impact induced by the machine tool's energy consumption and the cutting tool embodied energy were investigated.