Results 1 to 10 of about 1,666 (239)

Why do cracks occur in the weld joint of Ti-22Al-25Nb alloy during post-weld heat treatment?

Frontiers in Materials, 2023
Ultrasonic pulse frequency tungsten inert gas welding technology was adopted to join Ti-22Al-25Nb alloy. There were some cracks in the Ti-22Al-25Nb alloy weld joint after post-weld heat treatment.
Ling Shao, Ling Shao, Ling Shao, Xinyu Zhang, Yingwei Chen, Liu Zhu, Liu Zhu, Sujun Wu, Qijie Liu, Weiwei Li, Weiwei Li, Na Xue, Na Xue, Zhibiao Tu, Zhibiao Tu, Tianle Wang, Jitang Zhang, Jitang Zhang, Sheng Dai, Sheng Dai, Xinxing Shi, Mengliang Chen   +21 more
doaj   +3 more sources

Optimization Study of Post-Weld Heat Treatment for 12Cr1MoV Pipe Welded Joint

Metals, 2021
In order to clarify the role of different post-weld heat treatment processes in the manufacturing process, welding tests, post-weld heat treatment tests, and finite element analysis (FEA) are carried out for 12C1MoV steel pipes. The simulated temperature
Zichen Liu, Xiaodong Hu, Zhiwei Yang, Bin Yang, Jingkai Chen, Yun Luo, Ming Song   +6 more
doaj   +1 more source

Effect of heat treatment atmospheres on microstructure evolution and corrosion resistance of 2205 duplex stainless steel weldments

Scientific Reports, 2023
The effects of post heat treatment atmosphere on microstructure and corrosion resistance of duplex stainless steel welded joints were investigated. Post weld heat treatment (PWHT) was carried out with and without protective atmospheres.
Abdelkarim Yousif Mohamed, Ahmed Hussein Abdelraheem Mohamed, Z. Abdel Hamid, Ahmed Ismail Zaky Farahat, A. E. El-Nikhaily   +4 more
doaj   +1 more source

Effect of Heat Treatment on the Microstructure and Mechanical Properties of Rotary Friction Welded Dissimilar IN718 to SS304L Alloys

Applied Sciences, 2023
The present study investigated the effect of heat treatment (pre- and post-weld) on the microstructure and mechanical properties of an SS304L/IN718 dissimilar rotary friction welded alloy.
Perumandla Pavan, Mahesh Kumar Talari, Nagumothu Kishore Babu, Ateekh Ur Rehman, Prakash Srirangam   +4 more
doaj   +1 more source

Evolution of the Heterogeneous Microstructure of a 12Cr1MoV Welded Joint after Post-Weld Heat Treatment and Its Effect on Mechanical Properties

Metals, 2023
The non-uniformity of microstructures and mechanical properties across a whole welded joint is a crucial factor leading to its weakening performance and premature failure.
Bin Yang, Guanghua Sun, Xiaodong Hu, Zichen Liu, Xuefang Xie, Wei Peng, Xiaoming Shao   +6 more
doaj   +1 more source

Simultaneous Effect of Welding Current with PostWeld T6 Heat Treatment on Corrosion Susceptibility of Al6013 Alloy Joined by GTAW

Hittite Journal of Science and Engineering, 2023
Al6013 base metals were joined successfully with ER4047 weld metal by using the GTAW method under different welding currents. Post-weld T6 heat treatment effects on corrosion properties were investigated in terms of open circuit potential (OCP ...
Mehmet Topuz
doaj   +1 more source

Investigation into the influence of post-weld heat treatment on the microstructure and hardness of Inconel X-750

Advances in Mechanical Engineering, 2015
This work describes a post-weld heat treatment for a precipitation-hardened nickel alloy. Inconel X-750 is a nickel-based superalloy for gas tungsten arc welding processes. The materials were heat-treated in two steps: solution and aging.
Prachya Peasura, Bovornchok Poopat
doaj   +1 more source

Effects of post weld heat treatments on the microstructure and mechanical properties of dissimilar weld of supermartensític stainless steel [PDF]

Materials Research, 2014
A supermartensitic stainless steel with composition 12.2%Cr-5.8%Ni-1.90%Mo-0.028%C (%wt.) was welded by gas tungsten arc welding (GTAW) with superduplex stainless steel filler metal.
Sérgio Souto Maior Tavares, Clóvis Ribeiro Rodrigues, Juan Manuel Pardal, Edvan da Silva Barbosa, Hamilton Ferreira Gomes de Abreu   +4 more
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Modeling Hardness Evolution during the Post-Welding Heat Treatment of a Friction Stir Welded 2050-T34 Alloy

Crystals, 2022
A unified constitutive model of yield strength evolution during heat treatment has been revised to simulate the hardness evolution during the post-welding heat treatment of AA2050-T34 Friction Stir Welded (FSW) plates.
Sébastien Galisson, Denis Carron, Philippe Le Masson, Georgios Stamoulis, Eric Feulvarch, Gilles Surdon   +5 more
doaj   +1 more source

Effect of Heat Treatment on Stress Corrosion Cracking Behavior and Electrochemical Characteristic of Welded Ti-6Al-4V Alloy during Slow Strain Rate Test

International Journal of Electrochemical Science, 2016
Local rapid induction heating is used as a post weld heat treatment for a welded Ti-6Al-4V alloy. The welded sample is heat treated at different temperatures.
Yan Liu, Shawei Tang, Guangyi Liu, Yue Sun, Jin Hu   +4 more
doaj   +1 more source