Some studies on P91 steel and their weldments

C Pandey, MM Mahapatra, P Kumar, N Saini - Journal of Alloys and …, 2018 - Elsevier
In present research article, microstructure evolution in P91 steel and their weldments are
reviewed in as-virgin and heat treatment and creep exposure condition. The thermal stability …

Underwater laser welding/cladding for high-performance repair of marine metal materials: A review

G Sun, Z Wang, Y Lu, M Chen, K Yang, Z Ni - Chinese Journal of …, 2022 - Springer
With the rapid developments of marine resource exploitation, mounts of marine engineering
equipment are settled on the ocean. When it is not possible to move the damaged …

Joining of metallic glasses in liquid via ultrasonic vibrations

L Li, X Li, Z Huang, J Huang, Z Liu, J Fu, W Wen… - Nature …, 2023 - nature.com
Joining processes especially for metallic materials play critical roles in manufacturing
industries and structural applications, therefore they are essential to human life. As a more …

Some studies on dissimilar welds joint P92 steel and Inconel 617 alloy for AUSC power plant application

A Kumar, C Pandey - International Journal of Pressure Vessels and Pi**, 2022 - Elsevier
Abstract The Cr–Mo steel containing 9% Cr is generally preferred in producing high-
temperature operating components (lower than 620° C) like steam pipes and headers due to …

Weldability of high strength steels in wet welding conditions

D Fydrych, J Łabanowski, G Rogalski - Polish Maritime Research, 2013 - sciendo.com
In this paper are characterized problems of high strength steel weldability in underwater wet
welding conditions. Water as a welding environment intensifies action of unfavourable …

[HTML][HTML] A novel strategy to prevent hydrogen charging via spontaneously molten-slag-covering droplet transfer mode in underwater wet FCAW

N Guo, X Zhang, Y Fu, W Luo, H Chen, JL He - Materials & Design, 2023 - Elsevier
Underwater wet welding is widely used in offshore platform maintenance, oil pipeline repair
and wreck salvage operations. A high diffusible hydrogen content is recognized as one of …

Effect of diffusible hydrogen content on embrittlement of P92 steel

N Saini, C Pandey, MM Mahapatra - International Journal of Hydrogen …, 2017 - Elsevier
In the present investigation, varying electrode conditions (dried and contaminated) have
been employed during welding of P92 steel to study the effect of diffusible hydrogen level on …

Study of the Effect of Process Parameters on Surface Profile Accuracy in Single‐Point Incremental Sheet Forming of AA1050‐H14 Aluminum Alloy

A Dabwan, AE Ragab, MA Saleh… - … in Materials Science …, 2020 - Wiley Online Library
Single‐point incremental forming is an innovative flexible and inexpensive technique to form
sheet products when prototypes or small batches are required. The process allows complex …

[HTML][HTML] In-situ observations of melt degassing and hydrogen removal enhanced by ultrasonics in underwater wet welding

H Chen, N Guo, K Xu, C Xu, L Zhou, G Wang - Materials & Design, 2020 - Elsevier
In this study, the phenomenon of gas removal behaviors in the melt pool and the flow
behaviors of melt pool were observed using an in-situ X-ray imaging method. Based on the …

Improving the microstructures and mechanical properties with nano-Al2O3 treated wire in underwater submerged arc welding

M Zhang, Y Han, C Jia, Z Zheng, H Li, C Wu - Journal of Manufacturing …, 2022 - Elsevier
Underwater wet welding plays an important role in marine engineering. The negative
influences from the surrounding water inevitably causes unstable processes and weld …