Results 11 to 20 of about 75,293 (304)

Study of repair welding on microstructure, mechanical properties and corrosion resistance of dissimilar welded joints of SUS304 and Q345B steel

open access: yesJournal of Materials Research and Technology, 2023
In this study, the influence of repair welding on microstructure evolution, mechanical properties, and corrosion resistance of SUS304-Q345B dissimilar metal active gas arc (MAG) welding plates was investigated via optical microscopy (OM), scanning ...
Qing Shao   +6 more
doaj   +3 more sources

Biological welding enables rapid and efficient bladder cystotomy closure and reveals the underlying repair mechanism [PDF]

open access: yesScientific Reports
Bladder rupture repair surgery is limited by its long duration, significant blood loss, and complex procedures. Biological welding technology, which integrates multiple functions such as cutting, hemostasis, and tissue fusion, has shown potential in the ...
Fanchun Zeng   +5 more
doaj   +2 more sources

Numerical modelling on the influence of repair welding during manufacturing on residual stresses and distortions of T-joints

open access: yesResults in Engineering, 2023
Related to weld quality, level of imperfections is limited which can result in the need of grinding and repair welding. It results in material removal and additional heat cycles causing superimposed distortions and altering the distribution of residual ...
D. Kollár
doaj   +3 more sources

Repair Welding of the Tunnel Defect in Friction Stir Weld [PDF]

open access: yesHigh Temperature Materials and Processes, 2018
The tunnel defect formed in friction stir weld would dramatically push the mechanical properties of joints into deterioration. In this study, friction stir welding process was adopted to repair the joints of 7N01 aluminum alloy with tunnel defect.
Li Weipo   +3 more
doaj   +2 more sources

Repair welding process of friction stir welding groove defect

open access: yesTransactions of Nonferrous Metals Society of China, 2009
Abstract The groove defect formed in the friction stir welding dramatically deteriorates weld appearances and mechanical properties of the joints owing to its larger size and penetration. Therefore, the friction stir repair welding was utilized to remove such a groove defect, and the focus was placed on the mechanical properties and microstructural ...
Hui-jie LIU, Hui-jie ZHANG
openaire   +3 more sources

Problems in laser repair welding of polished surfaces [PDF]

open access: yesMetalurgija, 2014
This paper presents problems in laser repair welding of the tools for injection moulding of plastics and light metals. Tools for injection moulding of the car headlamps are highly polished in order to get a desirable quality of the injected part ...
A. Skumavc   +3 more
doaj   +2 more sources

Refurbishment of damaged tools using the combination of GTAW and laser beam welding [PDF]

open access: yesMetalurgija, 2014
This paper presents the use of two welding processes for the refurbishment of damaged industrial tools. In the first part the problem is presented followed by the comparison of GTAW and laser welding in terms of repair welding of damaged tools.
J. Tušek   +3 more
doaj   +2 more sources

Research on the Efficient Repair Technology for Cracks in Thermal Pipeline [PDF]

open access: yesCailiao Baohu, 2021
In view of the frequent occurrence of cracks in thermal pipelines, a test platform similar to the actual working conditions was built and A - TIG welding was used to repair the cracks in thermal pipelines.
ZHANG Zhi - guo, ZHANG Dan - dan
doaj   +1 more source

Welding, control and repair of membrane welds

open access: yesZavarivanje i zavarene konstrukcije, 2021
The paper describes design, production and inspection of membrane welds according to EN 12952-5 [1]. Stated procedures and technologies are based on water tube boiler manufacturing in the company ĐĐ Termoenergetska postrojenja d.o.o. Paper gives the overview of the standard manufacturing process: welding technology, marking and identification of welds,
Samardžić, Mijat   +4 more
openaire   +3 more sources

Home - About - Disclaimer - Privacy