Results 211 to 220 of about 5,873 (262)
Some of the next articles are maybe not open access.
, 2021
Transition occurring in microstructures of heat affected zone (HAZ) of a P91-316LN SS dissimilar weld joint was studied using electron backscattered diffraction (EBSD).Kernel misorientation angle (KAM) and grain boundary character distribution maps were ...
D. Awale +4 more
semanticscholar +1 more source
Transition occurring in microstructures of heat affected zone (HAZ) of a P91-316LN SS dissimilar weld joint was studied using electron backscattered diffraction (EBSD).Kernel misorientation angle (KAM) and grain boundary character distribution maps were ...
D. Awale +4 more
semanticscholar +1 more source
PWHT Requirement for Submarine Pipelines Challenges and Way Forward
Abu Dhabi International Petroleum Exhibition & Conference, 2018Abstract The objective of this study is to assess the provision of Post Weld Heat Treatment (PWHT) of girth weld on C-Mn steel submarine pipelines and propose an alternative to avoid PWHT. As per prevailing industry practice, the majority of the existing submarine pipelines handling sour service fluid, limit the steel grade to 450 MPa ...
Nawin Singh +2 more
openaire +1 more source
Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications
In the present investigation, a new endeavor has been made to analyze the impact of the secondary process (post-weld heat treatment (PWHT)) as well as Ni addition on the microstructure and mechanical characteristics of welds.
Mahmoud Abbasi +3 more
semanticscholar +1 more source
In the present investigation, a new endeavor has been made to analyze the impact of the secondary process (post-weld heat treatment (PWHT)) as well as Ni addition on the microstructure and mechanical characteristics of welds.
Mahmoud Abbasi +3 more
semanticscholar +1 more source
2009
This study was conducted in order to establish a procedure for a low-temperature postweld heat treatment (LTPWHT) to replace conventional stress relief annealing utilized as postweld heat treatment when pressure vessels are fabricated. From'the standpoint of preventing only hydrogen-induced weld cracks during fabrication before the final PWHT, the ...
E Takahashi, K Iwai
openaire +1 more source
This study was conducted in order to establish a procedure for a low-temperature postweld heat treatment (LTPWHT) to replace conventional stress relief annealing utilized as postweld heat treatment when pressure vessels are fabricated. From'the standpoint of preventing only hydrogen-induced weld cracks during fabrication before the final PWHT, the ...
E Takahashi, K Iwai
openaire +1 more source
PWHT Exemptions for Carbon Steel in B31.3: An EPC Contractor’s Perspective
Volume 6: Materials and Fabrication, 2020Abstract In the 2014 edition of the ASME B31.3 Code [1], thick, P-No. 1 carbon steel pipe became exempt from Postweld Heat Treatment (PWHT) under the condition of preheating at 95°C (200°F) and multi-pass welding. The decision whether to apply PWHT or not is left to the designer but no further guideline is provided.
Jan-Willem Rensman, George Kraayeveld
openaire +1 more source
, 2021
This paper presents the PWHTed effects on fracture toughness properties on stir-welded AA7075 aluminum alloy joints. 12-mm thick rolled AA7075-T651 plates were joined. The joints were given post-weld heat treated by STA and AA.
P. Sivaraj +3 more
semanticscholar +1 more source
This paper presents the PWHTed effects on fracture toughness properties on stir-welded AA7075 aluminum alloy joints. 12-mm thick rolled AA7075-T651 plates were joined. The joints were given post-weld heat treated by STA and AA.
P. Sivaraj +3 more
semanticscholar +1 more source
Journal of Pressure Vessel Technology
This paper investigates the evolution of temperature and stress during induction heating local post weld heat treatment (PWHT) of ultra-thick pressure vessels (with a thickness typically exceeding 300 mm) through electromagnetic-thermo-mechanical ...
Wenbin Gu +8 more
semanticscholar +1 more source
This paper investigates the evolution of temperature and stress during induction heating local post weld heat treatment (PWHT) of ultra-thick pressure vessels (with a thickness typically exceeding 300 mm) through electromagnetic-thermo-mechanical ...
Wenbin Gu +8 more
semanticscholar +1 more source
, 2021
In this present study, a Friction stir weld (FSW) technique is applied to fabricate the FSW joints of aluminium alloy plates of 2024-T351 and 7075-T651 in butt-joint arrangement using a FSW tool of shape taper threaded cylindrical (TTC).
K. A. Kumar, K. B. Yogesha
semanticscholar +1 more source
In this present study, a Friction stir weld (FSW) technique is applied to fabricate the FSW joints of aluminium alloy plates of 2024-T351 and 7075-T651 in butt-joint arrangement using a FSW tool of shape taper threaded cylindrical (TTC).
K. A. Kumar, K. B. Yogesha
semanticscholar +1 more source
Ethanol SCC Research on PWHT Effects and Threshold Stress Determination
CORROSION 2011, 2011Abstract Recently a laboratory testing program was completed that covers an important and yet unexplored area of ethanol stress corrosion cracking (eSCC) of steel equipment in ethanol distribution and blending facilities. This program aimed at generating new data on the effects of post weld heat treatment (PWHT) on eSCC and also ...
Anand Venkatesh +3 more
openaire +1 more source
International Journal of Integrated Engineering
Welding is a commonly used process in manufacturing and engineering, and it may create residual stress in the welded region that can cause problems during service.
Nurul Shahadah Roslan +4 more
semanticscholar +1 more source
Welding is a commonly used process in manufacturing and engineering, and it may create residual stress in the welded region that can cause problems during service.
Nurul Shahadah Roslan +4 more
semanticscholar +1 more source