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Fluctuation effects...
Fluctuation effects in Wire Arc Additive Manufacturing of aluminium analysed by high-speed imaging
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- Hauser, Tobias (författare)
- Luleå tekniska universitet,Produkt- och produktionsutveckling,Corporate Technology, Siemens AG, D-81739 Munich, Germany
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- Da Silva, Adrien (författare)
- Luleå tekniska universitet,Produkt- och produktionsutveckling
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- Reisch, Raven T. (författare)
- Chair of Robotics, Artificial Intelligence and Real-time Systems, Technical University of Munich, D-80333 Munich, Germany. Corporate Technology, Siemens AG, D-81739 Munich, Germany
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- Volpp, Joerg (författare)
- Luleå tekniska universitet,Produkt- och produktionsutveckling
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- Kamps, Tobias (författare)
- Corporate Technology, Siemens AG, D-81739 Munich, Germany
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- Kaplan, Alexander F.H. (författare)
- Luleå tekniska universitet,Produkt- och produktionsutveckling
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(creator_code:org_t)
- Elsevier, 2020
- 2020
- Engelska.
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Ingår i: Journal of Manufacturing Processes. - : Elsevier. - 1526-6125 .- 2212-4616. ; 56:Part A, s. 1088-1098
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Wire Arc Additive Manufacturing is a near-net-shape processing technology which allows the cost-effective manufacturing of big and customized metal parts. In the present work the Wire Arc Additive Manufacturing of AW4043/AlSi5(wt.%) with different lead angles of the welding torch was investigated. It has been shown that for some lead angles fluctuation effects occur in the structures produced if the interlayer temperature is either too low or too high. All experiments were analysed by high-speed imaging whereby the welding phenomena could be observed. In the case of Wire Arc Additive Manufacturing with a lead angle above 10° at lower interlayer temperatures, the deposited track consists out of several, seperated WAAM globules and is no longer in a uniform track. In the case of the dragging and neutral Wire Arc Additive Manufacturing processes at higher interlayer temperatures, fluctuation effects occur. In addition, by evaluating the high-speed videos with computer vision, it was found that such fluctuation effects can be detected at the arc frequency of the process. To avoid fluctuation effects caused by too low or too high interlayer temperatures, a pushing Wire Arc Additive Manufacturing process with a slightly tilted lead angle should be used.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
Nyckelord
- Direct Energy Deposition
- Robotic
- Laser arc
- Manufacturing Systems Engineering
- Produktionsutveckling
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- art (ämneskategori)
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