Results 1 to 10 of about 1,433 (216)

Effect of PWHT on properties of 485MPa tensile strength vessel steel [PDF]

MATEC Web of Conferences, 2018
Effect of Post-Welding Heat Treatment (PWHT) on properties of 485MPa tensile strength vessel steel was studied by changing carbon contents and parameters of heat treatment. The conclusions are: The strengths of vessel steel decrease after PWHT.
Xinyu Zhao, Yang Zou, Liye Qin, Yang Liu
doaj   +3 more sources

Influence of PWHT on the Residual Stress in Under-Matching Welded Joint

Procedia Engineering, 2015
AbstractThe under-matching welded joint is commonly used in engineering practice and the postweld heat treatment (PWHT) is the common method to reduce the residual stress in the welded joint, while the research on the under-matching welded joint after PWHT is few.
Qian, Y.W., Zhao, J.P.
exaly   +3 more sources

Effect of Austenite-to-Ferrite Phase Transformation at Grain Boundaries on PWHT Cracking Susceptibility in CGHAZ of T23 Steel

Metals, 2018
The post-weld heat treatment (PWHT) cracking susceptibility of a coarse grain heat-affected zone (CGHAZ) in SA213-T23 (2.25Cr-1.6W steel) that was used for boiler tubes employed in thermal power plants was investigated using a Gleeble thermal cycle ...
Seong-Hyeong Lee, Hye-Sung Na, Kyong-Woon Lee, Jeong-Yong Lee, Chung Yun Kang   +4 more
exaly   +5 more sources

EFFECTS OF TEMPERING AND PWHT ON MICROSTRUCTURES AND MECHANICAL PROPERTIES OF SA508 GR.4N STEEL

Nuclear Engineering and Technology, 2014
Presented in this study are the variations of microstructures and mechanical properties with tempering and Post-Weld Heat Treatment (PWHT) conditions for SA508 Gr.4N steel used as Reactor Pressure Vessel (RPV) material.
Ki-Hyoung Lee, Myung Jo Jhung, Min-Chul Kim   +2 more
exaly   +4 more sources

Effect of post-weld heat-treatment and solid-state thermomechanical treatment on the properties of the AA6082 MIG welded joints [PDF]

Scientific Reports
Post-weld heat treatment (PWHT) and solid-state thermomechanical treatment (TMT) via friction stir processing (FSP) have been shown to enhance the mechanical properties of aluminum alloys.
Hossam Hemdan El-Fahhar, Elshafey Ahmed Gadallah, Mohamed I. A. Habba, Mohamed M. El-Sayed Seleman, Mohamed M. Z. Ahmed, Abdelkarim Yousif Mohamed, Ramy A. Fouad   +6 more
doaj   +2 more sources

Mechanical properties and residual stresses in multi pass AISI 304 to AISI 1018 steel welds by SMAW and GTAW [PDF]

Scientific Reports
Welding is a highly reliable, efficient, and widely used technique for joining metallic structures. In this study, AISI 1018 Mild Steel (MS) and Stainless Steel (SS) AISI 304 were joined using Shielded Metal Arc Welding (SMAW) and Gas Tungsten Arc ...
Shridhar, Prabhat Kumar Janapareddy, G B Veeresh Kumar, Santosh Kumar Sahu, Ali El-Rayyes, Jayant Giri, Balkeshwar Singh   +6 more
doaj   +2 more sources

Effect of PWHT Conditions on Toughness and Creep Rupture Strength in Modified 9Cr-1Mo Steel Welds

High Temperature Materials and Processes, 2019
We clarified the effect of post weld heat treatment (PWHT) conditions on the toughness and creep rupture strength of modified 9Cr–1Mo steel weldments used for high temperature components of ultra-supercritical power plants. Fracture appearance transition
Nishikawa Satoru, Hasegawa Tadayuki, Takahashi Makoto   +2 more
exaly   +2 more sources

Effects of PWHT on the microstructure, corrosion, tribology, and mechanical properties of mild steel welds under different joining positions: Experimental and Numerical Study

Journal of Materials Research and Technology
St37 mild steel has a broad range of applications in industry. The weldability of St37 using the Gas Metal Arc Welding (GMAW) method was investigated under flat and vertical-up welding positions.
Behrouz Bagheri, , Melika Mohammadkhah
exaly   +3 more sources

An Economical and Mechanical Investigation on Local Post-Weld Heat Treatment for Stiffened Steel Plates in Bridge Structures

Applied Mechanics, 2021
A heat treatment is effective for reducing the residual stress of the welded structures. A post-weld heat treatment (PWHT) requires a large heating apparatus (furnace). It requires a high energy, a long time, and a high cost.
Mikihito Hirohata, Shuhei Nozawa, Károly Jármai   +2 more
doaj   +1 more source

Investigating the microstructure and mechanical properties of deposited metal with ENiCrFe-7 covered electrode

Materials Research Express, 2023
The effect of post weld heat treatment (PWHT) on microstructure and mechanical properties of deposited metal using ENiCrFe-7 covered electrode was investigated. The PWHT was conducted at 615 °C for 24 h.
Haiyang Zhu, Wei Yu, Kun Liu, Xiang Weng, Xiaobing Li, Changzheng Xu, Jiasheng Zou   +6 more
doaj   +1 more source