Results 11 to 20 of about 74,881 (288)
Problems in laser repair welding of polished surfaces [PDF]
Metalurgija, 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
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Refurbishment of damaged tools using the combination of GTAW and laser beam welding [PDF]
Metalurgija, 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
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Increasing Labor Efficiency Repairing Metal Structures of Heavy-Duty Quarry Machinery [PDF]
E3S Web of Conferences, 2019 Supporting metal structures of large dump trucks at open cast coal mines function under exposure to alternating cyclic load. Fatigue cracks that appear there require timely maintenance welding.
Drygin Michael, Kuryshkin Nikolai
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In-service automatic welding technology for high-grade large-diameter oil and gas pipelines
You-qi chuyun, 2021 As more long-distance oil and gas pipelines with high pressure, large diameter, high steel grade and large wall thickness are constructed, the wall of the fittings such as the hot tapping tees and the repair sleeves that are involved in the in-service ...
Juan CHEN +7 more
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Metals, 2020 P91 steel is a typical steel used in the manufacture of boilers in ultra-supercritical power plants and heat exchangers in nuclear power plants. For the long-term serviced P91 steel pressurized structures, the main failure mode is the welded joint ...
Kai Yang, Yingjie Zhang, Jianping Zhao
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Part Repair using a Hybrid Manufacturing System [PDF]
, 2005 Nowadays, part repair technology is gaining more interest from military and industries due to the benefit of cost reducing as well as time and energy saving. Traditionally, part repair is done in the repair department using welding process.
Eiamsa-ard, Kunnayut +5 more
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Statistical analysis of second repair welding on dissimilar material using Taguchi method
Journal of Mechanical Engineering and Sciences, 2019 This paper presents an experimental investigation on effect of welding parameter to repair welding of dissimilar material using Gas Metal Arc Welding (GMAW) machine.
N. I. S. Hussein +3 more
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Determination of residual stress evolution during repair welding of high-strength steel components
Forces in Mechanics, 2022 During the assembly of steel structures, unacceptable weld defects may be found. An economical solution is local thermal gouging of the affected areas and re-welding.
Becker Amadeus +3 more
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The repair of foundry defects in steel castings using welding technology [PDF]
, 2018 Use of welding technology for the repair of steel castings is particularly common in two areas. These include weld surfacing of protrusions that remained incomplete after casting, or filling the surface defects (cavities).
Gucwa, Marek +4 more
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Metals, 2020 For long-serviced pressure equipment that is under severe working conditions such as a high temperature, high pressure, and corrosion, the material properties and structure will be unavoidably damaged or degraded, especially cracks and other damages at ...
Yingjie Zhang, Kai Yang, Jianping Zhao
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