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Welding Metallurgy of

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The article was published on 1987-01-01 and is currently open access. It has received 991 citations till now. The article focuses on the topics: Welding.

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A review on selective laser sintering/melting (SLS/SLM) of aluminium alloy powders: Processing, microstructure, and properties

TL;DR: In this article, the state of the art in selective laser sintering/melting (SLS/SLM) processing of aluminium powders is reviewed from different perspectives, including powder metallurgy (P/M), pulsed electric current (PECS), and laser welding of aluminium alloys.
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Dislocation network in additive manufactured steel breaks strength–ductility trade-off

TL;DR: In this article, the authors show that the pre-existing dislocation network, which maintains its configuration during the entire plastic deformation, is an ideal modulator that is able to slow down but not entirely block the dislocation motion.
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Critical review of automotive steels spot welding: process, structure and properties

TL;DR: In this article, the fundamental understanding of structure-properties relationship in automotive steels resistance spot welds is discussed. And a brief review of friction stir spot welding, as an alternative to RSW, is also included.
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Revisiting fundamental welding concepts to improve additive manufacturing: From theory to practice

TL;DR: In this article, a unified equation to compute the energy density is proposed to compare works performed with distinct equipment and experimental conditions, covering the major process parameters: power, travel speed, heat source dimension, hatch distance, deposited layer thickness and material grain size.
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Using deep neural network with small dataset to predict material defects

TL;DR: This study attempted to predict solidification defects by DNN regression with a small dataset that contains 487 data points and found that a pre-trained and fine-tuned DNN shows better generalization performance over shallow neural network, support vector machine, and DNN trained by conventional methods.
References
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Journal ArticleDOI

Investigation of weld defects in friction-stir welding and fusion welding of aluminium alloys

TL;DR: In this article, the authors present an overview of the key factors related to the formation of defects in welding methods commonly used with aluminium alloys, such as friction-stir welding, laser beam welding and arc welding.
Dissertation

Microstructure, texture and mechanical property evolution during additive manufacturing of Ti6Al4V alloy for aerospace applications

TL;DR: In this paper, the influence of the processing conditions on microstructure and texture evolution and their resulting effect on the mechanical properties during additive manufacturing with a Ti6Al4V alloy, using three different techniques, namely, Selective laser melting (SLM), Electron beam selective melting (EBSM), and Wire arc additive manufacturing (WAAM) process.
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Three-dimensional modeling of grain structure evolution during welding of an aluminum alloy

TL;DR: In this paper, the evolution of grain structure and topology in three dimensions in both the FZ and the HAZ considering the motion of the liquid pool was investigated. And the results showed that the grain size distributions and topological class distributions were largely unaffected by the temporal and spatial variations of the temperature created by different welding parameters.
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Recent research progress in solid state friction-stir welding of aluminium–magnesium alloys: a critical review

TL;DR: In this article, the authors summarize the recent progress in FSW of aluminium-magnesium alloys and recommend the upcoming guidance concerning to fabrication of aluminum-mag magnesium alloys through FSW.