Showing papers in "International Journal of Lightweight Materials and Manufacture in 2018"

TL;DR: A comparison between steel and aluminium application in the automotive industry is given from various points of view in this article, where the main topic is the sheet metal forming, in this paper the body-in-white manufacturing is the primary focus field, and an introduction on recent material developments in automotive industry concerning both the use of new generation high strength steels and light metals with particular emphasis on aluminium alloys is given.

TL;DR: In this paper, a comprehensive review of widely used forming processes for aluminium alloys, under cold, warm and hot forming conditions, and the material characteristics and equipment used for each process are presented.

TL;DR: In this paper, a well-formed equimolar CrMnFeCoNi high-entropy alloy (HEA) bulk sample with good tensile properties is fabricated by laser additive manufacturing (LAM) processing.

TL;DR: In this article, the static and fatigue strengths of self-piercing riveting are considerably higher than those of resistance spot welding, and the fatigue strength of mechanical clinching is similar to that of resistence spot welding.

TL;DR: In this article, the roadmap for the industrial application of AM is paved by addressing the challenges hindering it, through a Hybrid AM solution framework, which is tailored to the needs of industries.

TL;DR: In this paper, an innovative additive manufacturing (AM) system using low power pulsed laser assisted MIG arc welding (L-M) was proposed to manufacture metal products, revealing how width and height dimension of the manufactured thin-wall component are affected by the laser power.

TL;DR: A comprehensive review of modeling methods used for the formability prediction of lightweight materials for sheet metal forming applications can be found in this article, where a number of theoretical and numerical models have been developed and used to predict the shape of sheet metals.

TL;DR: In this paper, a Mg alloy train has a theoretical 8.6-12.6% comprehensive weight reduction potential in the equal-strength and equal-stiffness condition, where low-speed trains (metro, light rail train, tram/trolley car, monorail car, suspension train/schwebebahn etc.) exhibit a larger energy-savings than high speed trains.

TL;DR: In this article, a water jet cavitation (WJC) was used to harden pure Al surfaces, which can improve the hardness near the surface and apply a compressive residual stress, thus improving the fatigue strength.

TL;DR: In this article, a 3D FEM has been proposed to study the drilling operation of Ti-6Al-4V and the simulation model has been carried out with DEFORM software by varying cutting speed and feed rates to study thrust, torque, effective stress, effective strain and drill bit temperature.

TL;DR: In this paper, direct ink writing technology is introduced to construct three-dimensional structure by layer stacking, which prepare lightweight material composed of cellular interconnected network, which provides possibility for the lightweight application of graphene-based structures.

TL;DR: In this article, the authors reviewed preparation, sintering, properties and toughening mechanisms of bionic laminated ceramics and predicted the feasibility of complex structural 3D designs for rapid prototyping as well as aid development of the new Sintering technology.

TL;DR: In this article, 3Y-TZP/MgO/Epoxy resin E12 composite powder with good flowability and homogeneity was fabricated by selective laser sintering (SLS) combined with cold isostatic pressing (CIP) technology.

TL;DR: In this article, the effects of the fiber orientation and vibration velocity on grinding forces and surface quality were analyzed using a monolayer brazed diamond tool, and the results revealed that the grinding force is decreased with the increase of vibration velocity.

TL;DR: In this paper, a very narrow EQuiaxed Zone (EQZ) inside the weld composed of small-sized grains can be clearly observed when magnifying the fusion line.

TL;DR: In this paper, CCAADF-STEM was employed to examine the phases in Al Cu Li alloy (AA2050), including GP(T1), GP(θ″) and GPB zones with their subsequent nanometer-sized products, T1 (Al2CuLi), θ′ (Al 2Cu), and S (al2CuMg) precipitates, respectively.

TL;DR: In this paper, the improvement of the residual stress, strength, and corrosion resistance of the surface of pure Al specimens by the multifunction cavitation (MFC) processing was investigated.

TL;DR: In this paper, a review of smart metal forming by applying servo press and the internet of things is presented. But the authors focus on the application of servo presses as a digital manufacturing system to improve formability and accuracy of the product.

TL;DR: An analytical model for predicting the shapes of rectangular bars with variable curvatures along their lengths through a novel forming method, differential velocity sideways extrusion (DVSE), was developed on the basis of the upper bound method.

TL;DR: In this article, the effects of ultrasonic vibration treatment on the microstructure and the mechanical properties of the 8011 strips were investigated by means of metallographic microscopy, scanning electron microscope observation, electron backscattered diffraction and mechanical properties test.

TL;DR: In this article, the microstructure and mechanical properties of Ti-6Al-3Nb-2Zr-1Mo (Ti6321) alloy joints by Electron beam welding (EBW) were investigated.

TL;DR: In this article, the influence of welding speed on tensile properties of AA2024-T3 fiber laser welds was investigated by monitoring the deformation behavior during tensile loading.

TL;DR: In this paper, the in-planer anisotropy in creep-ageing behavior of a textured Al-Cu-Mg alloy was investigated, and it was shown that the creep deformation decreased with the increase of the angles between the applied stress and rolling direction.

TL;DR: In this paper, the effects of high pressure jet cooling on the machinability of Ti2AlNb intermetallic alloys were investigated and the performance associated with the cutting force, the cutting temperature, the chip morphology and the tool wear were discussed.

TL;DR: In this paper, the influence of shielding gas compositions with different CO2 contents on the weld appearance and performance were studied in laser-tungsten inert gas (TIG) hybrid welding process.

TL;DR: In this paper, annealing and microstructural evolution of rolled Mg-2Zn-xCe (x = 0.2 and 0.6) were studied by combining in-situ electron backscatter diffraction analysis.

TL;DR: In this paper, a laser shock peening with side-water spraying and coaxial-water feeding technology was presented to improve the hardness and mechanical properties of the 5083Al material through sidewater spraying.

TL;DR: In this paper, NiTi-PU composites were fabricated by vacuum molding polyether polyurethane melt with NiTi alloy chips additive, and they were tested using three-point bending at various testing temperatures.

TL;DR: In this paper, the microstructure and mechanical properties of laser forming connected joints of TA15 fabricated by hot isostatic pressing (HIP) process were investigated, and the results showed that high quality joints are produced by laser forming connection (LFC).