Cold metal transfer (CMT) technology - An overview
TLDR
In this paper, the process, weld combinations, laser-CMT hybrid welding and applications of CMT welding are reviewed and the results indicate that the CMT-Laser hybrid welding is more preferable to Laser or Laser hybrid welding.About:
This article is published in Defence Technology.The article was published on 2017-09-01 and is currently open access. It has received 227 citations till now. The article focuses on the topics: Welding & Heat-affected zone.read more
Citations
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Invited review article: Strategies and processes for high quality wire arc additive manufacturing
TL;DR: In this article, the authors identified the materials processing challenges in wire-arc additive manufacturing (WAAM), including high residual stresses, undesirable microstructures, and solute segregation and phase transformations at solidification.
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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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High deposition wire arc additive manufacturing of mild steel: Strategies and heat input effect on microstructure and mechanical properties
TL;DR: In this article, the influence of oscillatory and overlapping deposition strategies in terms of productivity, growth per layer, obtained microstructure and mechanical properties using the control volume concept to compare volume-dependent parameters.
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Application and use of different aluminium alloys with respect to workability, strength and welding parameter optimization
Deekshant Varshney,Kaushal Kumar +1 more
TL;DR: In this paper, a review of aluminium usages, application, and workability parameters was conducted using the structure literature review technique, and the time period selected for the study is 2008-2019 from the Scopus database.
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Heat treatment effects on Inconel 625 components fabricated by wire + arc additive manufacturing (WAAM)—part 1: microstructural characterization
TL;DR: In this paper, a Ni-based superalloy wire, i.e., Inconel 625, is melted and deposited additively through a cold metal transfer (CMT)-based WAAM process.
References
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Effect of arc mode in cold metal transfer process on porosity of additively manufactured Al-6.3%Cu alloy
TL;DR: In this article, the effect of arc mode in cold metal transfer (CMT) process on the porosity characteristic of additively manufactured Al-6.3%Cu alloy has been systematically investigated.
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Characterisation of the cold metal transfer (CMT) process and its application for low dilution cladding
TL;DR: In this article, the process characteristics of the synergic cold metal transfer (CMT) process have been examined for welding aluminium alloy using a simple backlighting system and through the arc monitoring the droplet transfer modes were identified.
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The CMT short-circuiting metal transfer process and its use in thin aluminium sheets welding
Jicai Feng,Hongtao Zhang,Peng He +2 more
TL;DR: In this article, the wave control characteristics and its droplet transfer process were analyzed by sensing and image method, and the results show that it can realize no-spatter welding and low heat input during welding process.
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Evaluation of cold metal transfer (CMT) process for welding aluminium alloy
C. G. Pickin,Ken Young +1 more
TL;DR: The cold metal transfer (CMT) is an automated welding process based on dip transfer welding, characterised by controlled material deposition during the short circuit of the wire electrode to the workpiece as mentioned in this paper.
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The arc characteristics and metal transfer behaviour of cold metal transfer and its use in joining aluminium to zinc-coated steel
TL;DR: In this article, a modified metal inert gas welding process based on short-circuiting the transfer process, characterised by low heat input and no-spatter welding, was used to join aluminium to zinc-coated steel.