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Browsing by Author "Qi, Bojin"

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A comparative study of additively manufactured thin wall and block structure with Al-6.3% Cu alloy using cold metal transfer process

Cong, Baoqiang; Qi, Zewu; Qi, Bojin; Sun, Hongye; Zhao, Gang; Ding, Jialuo (MDPI, 2017-03-10)

In order to build a better understanding of the relationship between depositing mode and porosity, microstructure, and properties in wire + arc additive manufacturing (WAAM) 2319-Al components, several Al-6.3%Cu deposits ...
Influence of low-pulsed frequency on arc profile and weld formation characteristics in double-pulsed VPTIG welding of aluminium alloys

Wang, Yipeng; Cong, Baoqiang; Qi, Bojin; Chen, Xin; Yin, Yuhuan; Lin, Sanbao (Elsevier, 2020-09-21)

AA2219 aluminium alloy plates were processed by double pulsed variable polarity tungsten inert gas (DP-VPTIG) welding, and the influence of low-pulsed frequency on arc profile, weld appearance and penetration characteristics ...
Microstructure and mechanical properties of double-wire + arc additively manufactured Al-Cu-Mg alloys

Qi, Zewu; Cong, Baoqiang; Qi, Bojin; Sun, Hongye; Zhao, Gang; Ding, Jialuo (Elsevier, 2017-12-16)

As the properties of wire + arc additively manufactured Al-6.3Cu alloy cannot meet the applying requirements, a double-wire + arc additive manufacturing system was built to add magnesium into Al-Cu deposits for higher ...
Microstructure and mechanical properties of wire + arc additively manufactured 2024 aluminum alloy components: As-deposited and post heat-treated

Qi, Zewu; Qi, Bojin; Cong, Baoqiang; Sun, Hongye; Zhao, Gang; Ding, Jialuo (Elsevier, 2019-03-09)

Restricted by the type of commercial aluminum wire, 2024 aluminum alloy cannot be built through conventional single wire + arc additive manufacturing technology. By simultaneously feeding two wires (ER2319 and ER5087) and ...
Properties of wire+ arc additively manufactured 2024 aluminum alloy with different solution treatment temperature

Qi, Zewu; Cong, Baoqiang; Qi, Bojin; Ding, Jialuo (Elsevier, 2018-07-31)

2024 aluminum alloy deposits were produced with wire + arc additive manufacturing procedure. Solution treatment + natural aging processes with different solution treatment temperature were conducted to improve the properties. ...
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 ...

Browsing by Author "Qi, Bojin"

Browsing by Author "Qi, Bojin"

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