Results 1 to 10 of about 74,881 (288)

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

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

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

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   +1 more source

Mechanical properties of repair welds for aluminum alloy 6082-T6 by pulsed MIG welding process [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2021
The mechanical properties of repair welding of aluminum alloy 6082-T6 welded with 5356 filler metal were studied using pulsed metal inert gas (MIG) welding process at frequencies of 1.5 Hz and 5 Hz.
Thet Htet Naing, Prapas Muangjunburee
doaj   +1 more source

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   +1 more source

Discussion on repair technology of girth weld defects of high-grade steel pipelines

open access: yesYou-qi chuyun, 2020
In recent years, as for the frequent occurrence of failure accidents of high-grade steel pipelines caused by girth weld cracking, great attention has been drawn to the quality of girth weld and defect repair of high-grade steel pipelines. In terms of the
Rongguang LI   +7 more
doaj   +1 more source

Effect of Welding Sequence and the Transverse Geometry of the Weld Overlay on the Distribution of Residual Stress in the Weld Overlay Repair of T23 Tubes

open access: yesMetals, 2021
Water-wall tubes are important components in power plants and are used to absorb the heat from the boilers, and they often fail prematurely due to corrosion, erosion, and fatigue during service. To repair the defects, weld overlay repair is often adopted
Xin Xiao   +4 more
doaj   +1 more source

Development and implementation of robotized wire arc additive repair of a gas turbine diaphragm [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2023
The current practice of reconstruction of oxidized turbine parts (due to hot corrosion) using arc welding methods facilitates restoration of the nominal shapes and dimensions, as well as other attributes and features.
Piotr Steckowicz   +2 more
doaj   +1 more source

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