Showing papers in "Journal of Manufacturing Processes in 2014"

TL;DR: In this article, the basic principles of friction stir welding (FSW) are discussed, including terminology, material flow, joint configurations, tool design, materials, and defects, with an emphasis on recent advances in aerospace, automotive, and ship building.

TL;DR: In this article, the properties of Al-Li alloys and the characteristics of LBW are introduced, the formation and prevention of the main weld defects such as porosity and hot cracking are discussed, and then the weld microstructure and the joint mechanical properties are described in highlight.

TL;DR: A comprehensive survey of welding processes used to deposit wear resistant overlays is presented in this paper, based on both literature review and research work performed at the Canadian Centre for Welding and Joining.

TL;DR: In this paper, the effect of laser parameters on the geometry, morphology and homogeneity of single track realization was analyzed by utilizing characterization tools such as laser particle size analyzer, macro and microscopic inspection, Scanning Electron Microscope (SEM), X-Ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FTIR).

TL;DR: In this article, the basic principles of plasma arc welding (PAW) and a survey of the latest research and applications in the field are provided, along with a novel PAW process variant, the controlled pulse keyholing process and the corresponding experimental system.

TL;DR: In this paper, the authors analyzed the relationship between spindle speeds, feed-rates, and machining times toward the surface roughness using a statistical method ANOVA and found that lower feed-rate would produce better roughness.

TL;DR: In this article, the authors present some new evolutions of research works in the IRWTL at SJTU on intelligentized technologies for arc welding dynamic process and robot systems, including multi-information sensing of arc welding process, such as characteristic extraction of weld pool image, voltage, current, and sound, arc-spectral features.

TL;DR: In this paper, the authors highlight emerging issues when joining dissimilar metal pairs by magnetic pulse welding and compare the performance of Al/Cu and Al/Al joints with the same parameters.

TL;DR: In this article, a laser beam braze-welding technology for dissimilar aluminum-copper interconnects for Li-ion battery assembly was investigated and it was proved that highest shear strength and lowest contact resistance can be achieved within the same parameter set.

TL;DR: In this paper, the response surface method (RSM) was used as a statistical design of experiment technique to set the optimal welding parameters to determine the flexural strength of polyethylene (HDPE) sheets.

TL;DR: In this article, the effects of switching over from gas tungsten arc welding (GTAW) to pulsed current Gas Tungsten Arc Welding (PCGTAw) on the quality of joints produced in Hastelloy C-276 material were investigated.

TL;DR: In this article, a comparative study on influence of activated flux tungsten inert gas (A-TIG), and gas Tungsten arc (GTA) welding processes on the microstructure and the impact of P91 steel welds was carried out.

TL;DR: Double-electrode gas metal arc welding (DE-GMAW) is a novel welding process in which a second electrode, nonconsumable or consumable, is added to bypass part of the wire current.

TL;DR: In this article, tungsten carbide (WC) based WC10Co2Ni powder on austenitic stainless steel was produced using microwave hybrid heating, where the powder was exposed for a duration of 120 seconds to microwave radiation at 2.45 GHz frequency and 900 W power.

TL;DR: In this paper, a preliminary study was conducted to model the microstructural changes of AZ31B Mg alloy during dry and cryogenic machining using the finite element (FE) method and a user subroutine based on the dynamic recrystallization (DRX) mechanism of Mg alloys.

TL;DR: In this article, a GTAW circumferential butt joint of AISI 304 stainless steel was evaluated using numerical simulation and the residual stresses on the inner and outer surfaces, and along the radial direction were computed.

TL;DR: In this article, the effect of current, welding speed, joint gap and electrode diameter on weld bead dimensions on 6-mm-thick dissimilar weld between carbon steel to stainless steel, was studied under Activated Flux-Tungsten Inert Gas Welding process.

TL;DR: In this paper, the OM, XRD and microhardness test methods are used to analyze the variation of submerged arc welded (SAW) joints with and without post weld heat treatment (PWHT).

TL;DR: In this paper, the effect of released energy on the sheet deformation profile history, strain distribution, loading path and damage accumulation type was investigated by considering the fluid/structure interactions.

TL;DR: In this paper, an adaptive plane and volumetric heat source model for TIG-MIG hybrid welding process is proposed to predict welding process whether the electrode gun is slanted backward or forward to the direction of welding.

TL;DR: In this paper, the effect of design variables such as cutting parameters, cutting fluids and axial length of cuts are investigated using the D-Optimal method and comprehensive experiment-based production cost and production rate models are developed.

TL;DR: In this article, stable emulsification of vegetable oil in water has been achieved through ultrasonic atomization without using any surfactant, and the emulsified vegetable oil was directly used to investigate its effectiveness as MWF in milling operations.

TL;DR: In this article, a hybrid scaffold fabrication approach by integrating electrohydrodynamic (EHD) printing technology with extrusion deposition together to fabricate hierarchical 3D scaffolds with well controlled structures at both macro and micro scale is presented.

TL;DR: In this article, various numerical simulation methods of the arc welding processes such as arc plasma, gas tungsten arc welding, gas metal arc welding and laser-arc hybrid welding are presented.

TL;DR: In this article, the weldability of 6mm thick plates of super-duplex stainless steel by electron beam welding (EBW) process was investigated and tensile results corroborated that the joints obtained by EB welding process have better strength than the base metal.

TL;DR: In this article, the effects of the process parameters on the TiC morphology and microstructure were investigated using a numerical and experimental method, and it was shown that cooling rate plays a crucial role in phase transformation in the clad, however, final micro-structure strongly depends on the cooling rate and powder's chemical composition.

TL;DR: In this paper, the principles, benefits and limitations of the conventional short circuit transfer mode in GMA welding are reviewed and the development and benefits of the controlled short circuit approach are described.

TL;DR: In this article, a rotating anvil similar to a pinless friction stir welding (FSW) tool was applied to friction stir spot welding (FSSW) of thin metal plates.

TL;DR: In this article, the authors investigate the mechanical properties including bonding, tensile strength, and impact resistance of pure copper welded using friction stir welding (FSW) method and compare them with that of tungsten inert gas (TIG) welding.

TL;DR: In this article, the vibrational energy loss associated with the longitudinal and flexural vibrations of the Cu coupon during ultrasonic welding is studied by applying one-dimensional continuous vibration models.