Hydrogen Embrittlement Susceptibility of Pipeline Steel

Juliawati, Alias and Nur Azhani, Abd Razak (2013) Hydrogen Embrittlement Susceptibility of Pipeline Steel. Applied Mechanics and Materials, 315. pp. 820-824. ISSN 1662-7482. (Published)

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The influence of hydrogen on the fracture morphology and mechanical properties of ASTM A106 Grade A pipeline steel has been studied by tension, bend test and hydrogen charging with combination of variation current density and charging time. The appearance of surface damage and fracture morphology were revealed by using field emission scanning electron microscopy. Under the hydrogen charged, the reduction of strength and ductility of the steel revealed from the ultimate tensile strength value and percent of elongation were observed as the current density increased. While, in bend test, the effect of hydrogen is manifested as a decrease in ultimate strength (maximum load in bend test) and bend ductility (bend angle).

Item Type: Article
Uncontrolled Keywords: ASTM A106 Grade A Pipeline Steel; Fracture; Hydrogen; Hydrogen Charging
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Mechanical Engineering
Depositing User: azrin
Date Deposited: 30 Jun 2015 08:06
Last Modified: 28 Aug 2018 07:39
URI: http://umpir.ump.edu.my/id/eprint/5865
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