Results 31 to 40 of about 872,882 (214)

Hydrogen distribution and redistribution in the weld zone of constructional steels [PDF]

, 1999
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The invention of electric arc welding revolutionized the steel construction industry, but also brought some problems when the welded region has inferior ...
Smith, Richard Dominic
core   +7 more sources

Finite Element Modeling of the Behavior of a Hollow Cylinder in a Hydrogen-Containing Environment

Fracture and Structural Integrity, 2020
The two main research orientations on the problem of hydrogen embrittlement are examined: the study of fundamental principles and the disclosure of micromechanisms and the relation between hydrogen embrittlement and metal aging; the development of models
Assia Amina Lakhdari, Serguey A. Bubnov, Aissa Seddak, Ilya I. Ovchinnikov, Igor G. Ovchinnikov   +4 more
doaj   +1 more source

Study on hydrogen embrittlement susceptibility of pipeline steel under stress

You-qi chuyun
ObjectiveHydrogen embrittlement poses a significant safety risk that restricts the safe operation of hydrogen pipelines. However, there is ongoing debate regarding the extent to which hydrogen penetrates pipeline steel and induces hydrogen embrittlement ...
Cuiwei LIU, Lanqi ZHAO, Rui ZHANG, Shiyao PENG, Rongtian LI, Xinyu XU, Yuxing LI   +6 more
doaj   +1 more source

Effects of spinodal decomposition induced by thermal aging on the hydrogen embrittlement response of Fe-20Cr-5Al alloy

Journal of Materials Research and Technology
To understand the hydrogen embrittlement mechanism in the Fe-20Cr-5Al alloy for high-temperature hydrogen applications, the effects of thermal aging on hydrogen embrittlement were investigated.
Hee Soo Yun, Yaebi Hwang, Young-Kook Lee, Jaeyoung Lee, Un Bong Baek, Seung Hoon Nahm   +5 more
doaj   +1 more source

Analysis of Electrochemical Hydrogen Permeation through AISI Stainless and Welding Zones for Hydrogen Service

International Journal of Electrochemical Science, 2016
Stainless Steel proved to be very valuable material for humankind modern technology, today concepts like global warming and sustainable alternate technologies have become important concepts to actual human survival.
M. Miranda, B. Campillo, J. Colín, A. Torres-_Islas, A. Molina, S. Serna, Julio C. Villalobos   +6 more
doaj   +1 more source

Engineering thoughts on Hydrogen Embrittlement

Procedia Structural Integrity, 2018
Abstract Hydrogen Embrittlement (HE) is a topical issue for pipelines transporting sour products. Engineers need a simple and effective approach in materials selection at design stage. In other words, they must know if a material is susceptible to cracking, to be able of: selecting the right material and apply correct operational measures ...
G. Gabetta, P. Cioffi, R. Bruschi
openaire   +2 more sources

Evaluation and Prevention of Hydrogen Embrittlement by NDT Methods: A Review

Materials Proceedings, 2021
This paper comprises of hydrogen embrittlement phenomena in material, factors responsible for the hydrogen embrittlement and non-destructive methods to evaluate the internal defect in machines or components when working in hydrogen atmosphere.
Sujeet Choudhary, Manish Vishwakarma, Sandeep Kumar Dwivedi   +2 more
doaj   +1 more source

Embrittlement behaviour of metal additive-manufactured high-entropy alloy components under gaseous and electrochemical hydrogen charging

Journal of Materials Research and Technology
Embrittlement is an environmentally induced fracture that primarily affects metallic materials. This phenomenon occurs when hydrogen is absorbed on the metal surface and penetrates to the core, followed by degrading the mechanical properties in a ...
V. Balaji, P. Jeyapandiarajan, J. Joel, P. Ashwath, Batako Andre, Pitchaimuthu Sudhagar, M. Anthony Xavior   +6 more
doaj   +1 more source

Research on Mechanism of Methanol–Hydrogen Co-Transport Inhibiting Hydrogen Embrittlement in Pipeline Steel

Metals
Existing studies suggest that hydrogen embrittlement will occur in pipeline steel under a hydrogen environment, and gas is often used as a hydrogen embrittlement inhibitor. As one of the most effective hydrogen carriers, methanol may competitively adsorb
Li Xiao, Jia Gu, Hongwei Yang, Lei Chen, Gang Liu   +4 more
doaj   +1 more source

Hydrogen Embrittlement Understood [PDF]

Metallurgical and Materials Transactions A, 2015
The connection between hydrogen-enhanced plasticity and the hydrogen-induced fracture mechanism and pathway is established through examination of the evolved microstructural state immediately beneath fracture surfaces including voids, “quasi-cleavage,” and intergranular surfaces.
Robertson, Ian M., Sofronis, Petros, Nagao, A., Martin, May L., Wang, S., Gross, D. W., Nygren, K. E.   +6 more
openaire   +4 more sources