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Browsing by Author "Chen, Guangyu"

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Efficient reduced-order thermal modelling of scanning laser melting for additive manufacturing

Chen, Guangyu; Ding, Jialuo; Sun, Yongle; Chen, Xin; Wang, Chong; Rodrigues Pardal, Goncalo; Williams, Stewart (Elsevier, 2023-10-02)

Additive manufacturing (AM) with a scanning laser (SL) to independently control melt pool shape has the potential to achieve part building with high geometric accuracy and complexity. An innovative dynamic convection ...
Microstructure and mechanical properties of aluminum-steel dissimilar metal welded using arc and friction stir hybrid welding

Liu, Ji; Wu, Bintao; Wang, Ziran; Li, Chunwang; Chen, Guangyu; Miao, Yugang (Elsevier, 2022-12-21)

In this study, arc and friction stir hybrid welding (AFSHW) was proposed to weld aluminum-steel dissimilar metals in attempt to realize high quality joining. Firstly, an interlayer was produced on galvanized steel by using ...
Mitigation of thermal distortion in wire arc additively manufactured Ti6Al4V part using active interpass cooling

Wu, Bintao; Pan, Zengxi; Chen, Guangyu; Ding, Donghong; Yuan, Lei; Cuiuri, Dominic; Li, Huijun (Maney Publishing, 2019-02-26)

In this study, active interpass cooling using compressed CO2 was innovatively employed in the wire arc additively manufactured Ti6Al4V process with the aim of mitigating part distortion. A comparative analysis between ...
Multi-energy source (MES) configuration for bead shape control in wire-based directed energy deposition (w-DED)

Chen, Guangyu; Williams, Stewart; Ding, Jialuo; Wang, Chong; Suder, Wojciech (Elsevier, 2022-03-09)

A multi-energy source (MES) method featuring a high-power scanning laser (SL) was used to achieve independent control of layer width and height in a wire-based directed energy deposition (w-DED) process. In the MES system, ...
A novel cold wire gas metal arc (CW-GMA) process for high productivity additive manufacturing

Wang, Chong; Wang, Jun; Bento, João; Ding, Jialuo; Rodrigues Pardal, Goncalo; Chen, Guangyu; Qin, Jian; Suder, Wojciech; Williams, Stewart (Elsevier, 2023-07-01)

Wire-arc directed energy deposition (DED) is suitable for depositing large-scale metallic components at high deposition rates. In order to further increase productivity and efficiency by reducing overall manufacturing time, ...
Refining microstructure of medium-thick AA2219 aluminium alloy welded joint by ultrasonic frequency double-pulsed arc

Wang, Yipeng; Li, Hong; Li, Zhuoxin; Zhang, Yu; Qin, Jian; Chen, Guangyu; Qi, Bojin; Zeng, Caiyou; Cong, Baoqiang (Elsevier, 2023-02-14)

The increasing demand for achieving high-efficiency and high-quality medium-thick aluminium alloy welded structures, especially for large scale aerospace components, presents an urgent challenge to the conventional TIG arc ...
A simplified modelling approach for thermal behaviour analysis in hybrid plasma arc-laser additive manufacturing

Wang, Chong; Sun, Yongle; Chen, Guangyu; Chen, Xin; Ding, Jialuo; Suder, Wojciech; Diao, Chenglei; Williams, Stewart (Elsevier, 2022-06-25)

Hybrid plasma transferred arc (PTA)-laser additive manufacturing (AM) has the potential to build large-scale metal components with high deposition rate and near-net shape. However, the process is complex with many parameters ...
Split anode calorimetry for plasma arc energy density measurement with laser calibration

Chen, Guangyu; Williams, Stewart; Ding, Jialuo; Wang, Yipeng; Suder, Wojciech (Elsevier, 2022-04-16)

A split anode calorimeter (SAC) has been developed for the measurement of plasma transferred arc (PTA) energy density. A novel aspect is the use of a laser beam with a well-defined energy profile which was first measured ...

Browsing by Author "Chen, Guangyu"

Browsing by Author "Chen, Guangyu"

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