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Wiednig, Christopher Alois
in Cooperation with on an Cooperation-Score of 37%
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Publications (5/5 displayed)
- 2017Toughness evaluation of EB weldscitations
- 2016Additive Manufacturing via Cold Metal Transfer
- 2016Dissimilar Electron Beam Welds of Nickel Base Alloy A625 with a 9% Cr-Steel for High Temperature Applications
- 2016Evaluation of Weldability of Titanium Alloy Ti-6Al-4V and Aluminum Alloy 6061 Produced by Electron Beam Weldingcitations
- 2014Dissimilar Electron Beam Welding of Nickel Base Alloy 625 and 9% Cr Steelcitations
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document
Additive Manufacturing via Cold Metal Transfer
Abstract
The goal of this study was to find suitable welding parameters for a quick and economic repair of forging tools. Therefore geometries made of hot working tool steel were generated using wire based Cold Metal Transfer (CMT) procedure. Welding and geometric parameters were varied and their influence on the mechanical characteristics of the welded structure was investigated.<br/>The microstructure of the manufactured geometries was examined by light optical microscopy (LOM). The mechanical properties were determined by hardness testing and tensile testing. The automated process combines low heat input and a precise metal deposition with low dilution. This promises a near net shape manufacturing with reduced subsequent machining time, which reduces total costs of the produced or repaired part.