Results 31 to 40 of about 687,390 (408)
MATEC Web of Conferences, 2018 Activated TIG welding has been performed on Al – 8% SiC composite 5mm plate with various fluxes such as Al2O3, MnO2, CaO, MgO, SiO2 & TiO2, to study & analyze the Microstructure, Micro hardness and cooling rate.
Pichumani Sivachidambaram +2 more
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SIMULATED HEAT AFFECTED ZONE IN WELDED STAINLESS STEEL 304L
Acta Metallurgica Slovaca, 2019 This work is a contribution study of the heat-affected zone in the real welded joint of stainless steel 304L. This zone was compared to the heat-affected zone obtained by using a thermal cycle simulation of welding.
Soumia Hamza +3 more
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Technology Of MIG-MAG Welds Strength Enhancement [PDF]
, 2016 A new technology of MIG MAG welding control is developed. Authors introduce use of power AC and pulse feed of welding wire in the arc zone, that downsizes the heat affected zone, stabilizes formation of electrode metal droplets, as external magnetic ...
Korotkov, S. E. +3 more
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Heat accumulation effect during CO2 laser processing of fused silica optics
Results in Physics, 2022 The intrinsic heat-affected zone (HAZ) during the microsecond pulsed laser processing significantly affect the surface quality of the fused silica optics.
Chao Tan +6 more
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Metals, 2021 Temperature cycles generated during welding have a significant effect on the changes in the HAZ of welds, regardless of whether these are changes in structure or mechanical properties; however, it is problematic to obtain temperature cycles with ...
Jaromír Moravec +3 more
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Nuclear Energy and Technology, 2017 The authors propose a thermal welding technology with ultrasound treatment for NPP circulation pipe-lines. This technology can significantly increase the strength of welded connections by reducing residual stresses, grain size and welded joint degassing.
S.I. Minin, A.I. Trofimov, M.A. Trofimov
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Heat affected zone in surfacing chromium ledeburitic steel [PDF]
Metalurgija, 2010 Tools get failured during work; wear is a major factor that contributes to failures. Damaged tools are replaced or filed. This paper describes typical changes that occur in the heat affected zone of tool (HAZ), which was repaired by surfacing with a TIG ...
M. Tonkovič Prijanovič, L. Kosec
doaj
工程科学学报, 2020 As the use of high-strength thick plates is increasing in marine engineering, bridge engineering, petroleum pipelines, and other fields, the required performance level of thick welded plates is also increasing.
Bin LU +3 more
doaj +1 more source
Microbial exopolysaccharide production by polyextremophiles in the adaptation to multiple extremes
FEBS Letters, EarlyView.Polyextremophiles are microorganisms that endure multiple extreme conditions by various adaptation strategies that also include the production of exopolysaccharides (EPSs). This review provides an integrated perspective on EPS biosynthesis, function, and regulation in these organisms, emphasizing their critical role in survival and highlighting their ...
Tracey M Gloster, Ebru Toksoy Öner
wiley +1 more source
Effects of high frequency current in welding aluminum alloy 6061 [PDF]
, 1968 Uncontrolled high frequency current causes cracking in the heat-affected zone of aluminum alloy 6061 weldments during tungsten inert gas ac welding. Cracking developed when an improperly adjusted superimposed high frequency current was agitating the ...
Fish, R. E.
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