supported by the National Key Research and Development Program of China(Grant No.2022YFB4600900);the National Natural Science Foundation of China(Grant No.52175290).
Based on the advantages of triple-wire gas indirect arc welding(TW-GIA),such as small heat input,low dilution rate,and high deposition rate,the surfacing test on Q345 steel was carried out,and the surfacing forming ch...
supported by the Science and Technology Innovation Program of Hunan Province(2022RC1060 and 2022GK4046)。
Multi-layer narrow-gap welding of thick S32101 duplex stainless steel was conducted using laser welding with beam wobble process.The phase transition,grain size,phase proportion and crystal texture of welded joint wer...
The deformation and residual stress generated by the welding process can seriously affect the use of components.As a result,it is very important to understand the evolution of stress and strain during the welding proc...
supported by China Postdoctoral Science Foundation Funded Project(Grant No.2016M601753);Natural Science Foundation of Jiangsu Province(Grant No.BK20201453);Major Projects of Natural Science Research in Colleges and Universities in Jiangsu(Grant No.19KJA460009).
The slag-free self-shielded flux-cored wire was fabricated to apply for the narrow gap welding.The results showed that narrow gap welding shows lower welding spatter compared with hardfacing except under voltage of 30...
The variation in arc characteristics and behavior of metal transfer with the change in pulse parameters has been studied by high speed video camera during pulse current flux-cored arc weld deposition.A comparative stu...
the National Natural Science Foundation of China(Grant No.51374111&51175185);Science and Technology Plan Project of Guangdong Province(Grant No.2015B050502005)for financial support
To study the influence laws of welding parameters on weld porosity, underwater wet flux-cored arc welding ( FCAW) duplex stainless steel S32101 was carried out in a hyperbaric chamber, and the second-order multiple ...
The effect of Fe203 and Liz CO3 additives in flux core on the weld metal oxygen content and weld penetration in self-shielded flux cored arc welding were studied schematically. The result shows that the oxygen content...
This work was supported by the National Nature Science Foundation of China ( Grant No. 50764007).
A double invert variable polarity plasma arc (VPPA) power source based on 16-bit MCU applied for aluminum alloys was developed. Mechanics, electrical and the produced heat mechanism of VPPAW arc were tested and anal...
This research is supported by the National Natural Science Foundation of China (No. 51105237 and No. 51105103).
Compared to traditional welding methods, the underwater wet welding is special with many different characteristics due to the unique aqueous environment. It is conducted completely under water by divers and unique wel...
This project was supported by National Natural Science Foundation of China (No. 51175185, 50705030) and Natural Science Foundation of Guangdong Province ( No. 9151064101000065).
Empirical models were developed using curvilinear regression analysis to predict bead geometries of rotating fluxcored are welding (FCAW). Parameters, such as rotational frequerwy, rotational radius, torch height an...