Results 61 to 70 of about 443 (180)

Improving Mechanical Properties of PVPPA Welded Joints of 7075 Aluminum Alloy by PWHT [PDF]

open access: yesMaterials, 2018
In this study, 7075 aluminum alloy with a thickness of 10 mm was successfully welded with no obvious defects by pulsed variable polarity plasma arc (PVPPA) welding. The mechanical properties of PVPPA welded joints have been researched by post weld heat treatment (PWHT).
Li, Guowei   +3 more
openaire   +2 more sources

The Effect of PWHT on Electrochemical Behaviour of AISI 316L Weld Metal

open access: yesChemical and Biochemical Engineering Quarterly, 2008
The subject of investigation was the corrosion behaviour of AISI 316L austenitic stainless steel weld metal as dependent on a protective passive film formed on the steel surface following exposure to w = 3.5 % NaCl. The corrosion properties were examined before PWHT and after it by means of cyclic polarization, electrochemical impedance spectroscopy ...
Kožuh, Stjepan   +2 more
openaire   +3 more sources

Effect of PWHT on the Carbon Migration and Mechanical Properties of 2205DSS‐Q235 LBW Joint [PDF]

open access: yesAdvances in Materials Science and Engineering, 2018
The effect of postweld heat treatment (PWHT) on the carbon migration and mechanical properties of the 2205DSS‐Q235 laser beam welding (LBW) joint was investigated. The carbon‐rich zone (CRZ) and carbon‐depleted zone (CDZ) generated at the welding seam/Q235 (WS‐Q235) interface as the carbon migration occurred after heat‐treated at 600°C, 700°C, and 800 ...
Fujun Cao, Chengchao Du
openaire   +2 more sources

Evolution of residual stress and microstructure of 2205 duplex stainless steel welded joints during different post-weld heat treatment

open access: yesHigh Temperature Materials and Processes
Duplex stainless steel (DSS) has been widely used in various applications due to the combination of excellent mechanical properties and corrosion resistance.
Wan Yu   +3 more
doaj   +1 more source

In situ localised post-weld heat treatment with electron beam welding of S690QL steel

open access: yesJournal of Advanced Joining Processes
The objective of this research is to assess the influence of in-situ localised electron beam post-weld heat treatment (LEB-PWHT) on the microstructure and mechanical properties of high-strength S690QL steel welded joints utilising highly sophisticated ...
Raghawendra Sisodia   +2 more
doaj   +1 more source

Influence of welding procedure and PWHT on HSLA steel weld metals

open access: yesJournal of Materials Research and Technology, 2019
The development of consumables for welding of high strength steels represents a continuous challenge taking into account the great variety of alloy systems. In this regard, there are many applications, such as offshore structures, where the welding is still preferably done by the SMAW process. In order to evaluate the properties of weld metals obtained
Jorge Carlos Ferreira Jorge   +6 more
openaire   +2 more sources

Effect of Heat Treatment Temperatures on Microstructure and Corrosion Properties of Inconel 625 Weld Overlay Deposited by PTIG

open access: yesInternational Journal of Electrochemical Science, 2016
Inconel 625 alloy was cladded on the substrate of AISI 4130 steel using pulsed tungsten inert gas welding (PTIG) technique. The effects of post weld heat treatment (PWHT) temperatures on microstructure evolution and electrochemical corrosion performance ...
Longlong Guo   +5 more
doaj   +1 more source

HAZ microstructure in joints made of X13CrMoCoVNbNB9-2-1 (PB2) steel welded with and without post-weld heat treatment

open access: yesMetalurgija, 2016
The article presents the results of research butt welded joints made of X13CrMoCoVNbNB9-2-1 steel. The joints were welded with post-weld heat treatment PWHT and without PWHT, using the temper bead technique TBT.
M. Łomozik, A. Zielińska-Lipiec
doaj  

Investigation of Microstructural Evolution of Silicon Steel Weldment After Post-Weld Heat Treatment—Simulation and Experimental Study

open access: yesMetals
It is important to control the microstructure and properties of a weld for the continuous production of silicon steel sheets. Post-weld heat treatment (PWHT) can be applied to adjust the weld properties; however, research on its application to silicon ...
Jyun-Ting Kuo   +5 more
doaj   +1 more source

The effects of PWHT on the toughness of weld HAZ in Cu-Containing HSLA-100 steel

open access: yesISIJ International, 2000
A study was conducted to examine the effects of postweld heat treatment (PWHT) on the impact toughness and microstructures in the weld heat affected zone (HAZ) of Cu-containing HSLA-100 steel. The Gleeble, thermal/mechanical simulator, was used to simulate the weld HAZ.
Park, T. W., Kang, C. Y.
openaire   +2 more sources

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