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Effect of PWHT Cycles on Impact Toughness of Austenitic Stainless Steel Weldments
Volume 1: Plant Operations, Maintenance, Engineering, Modifications and Life Cycle; Component Reliability and Materials Issues; Next Generation Systems, 2009Austenitic stainless steels are widely used welding materials in nuclear reactors and power plants because of their high strength, good ductility, excellent corrosion resistance and a reasonable weldability. These properties make austenitic stainless steels attractive candidate materials for use in the fabrication of piping systems, automotive exhaust ...
M. M. Ibrahim +2 more
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Correlations between microstructure and mechanical properties during PWHT of TMCP steel weld HAZ
Welding International, 1996Summary This paper describes an investigation of the correlation between HAZ microstructures amd mechanical properties in the post‐weld heat treatment (PWHT) of two types of thermomechanical control process steels (TMCP steels), especially the relationship between the stress relaxation behaviour and high‐temperature deformability.
M Nakamura +3 more
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Study of Hydrogen Cracking and PWHT of Dissimilar Materials for Elevated Temperature Application
Applied Mechanics and Materials, 2015s. On construction sites many challenges and premature failures are being encountered in welded joints of creep strength-enhanced ferritic (CSEF) steels. The primary reason of these premature failures is found to be the dissimilar material joints, having strength mismatch, or improper heat treatment that is mandatorily carried out to achieve the ...
Muhammad Sarwar, Mohd Amin bin Abd Majid
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Fitness for Service Assessment of Carbon Steel Vessel With Localized Deformation During PWHT
Volume 7: Operations, Applications, and Components, 2019Abstract Post weld heat treatment (PWHT) is applied to welded pressure vessels and piping to relieve residual stress built up during welding. During the PWHT, pressure vessel made of carbon steel is heated up to a minimum temperature of 595 °C for a holding period as required based on the thickness (Refer ASME Section VIII, Division 1 ...
Utkarsh Shah, Piyush Prasad
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Influence of PWHT on the sulfide stress cracking susceptibility of 9%Ni low carbon steel
Engineering Failure Analysis, 2019The 9Ni steel low carbon steel is usually applied to pipes, pressure vessels and forged parts working at cryogenic temperatures, due to its high toughness at −196 °C and mechanical strength.
S. Tavares +5 more
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Review and Recommendations on PWHT Exemptions for 2014 Edition of ASME B31.3
CORROSION 2020, 2020Abstract A major significant change in fabrication/ welding of process piping was brought out by ASME B31.3 2014 addition Table 331.1.3 “Exemptions to Mandatory Postweld Heat Treatment” It now allowed for all carbon steel conforming to P- No1material group for all control Thickness and All weld type with exemption from Postweld heat ...
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Fatigue performance of rib-to-deck joints in orthotropic steel deck with PWHT
Journal of constructional steel research, 2022Xiaoyang Feng +4 more
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Stress Corrosion Cracking of a Welded Supermartensitic Stainless Steel: Effect of PWHT
CORROSION 2007, 2007Abstract The role of grain boundary sensitization on the intergranular Stress Corrosion Cracking resistance of heat affected zones in welded supermartensitic stainless steels have been studied. Slow strain rate tensile tests are performed on specimen sampled across multiple-pass welds.
Bertrand Hoerner +3 more
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The International Journal of Advanced Manufacturing Technology, 2022
Khawla Amara +6 more
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Khawla Amara +6 more
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