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Influence of Hydrogen Charging on Mechanical Properties and Microstructure of Structural Steel S235 & Stainless Steel 316L
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
2019 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The present paper studied the influence of hydrogen on the mechanical properties and microstructure of the materials. This study is done by doing hydrogen charging of steel bar specimens. The two types of steel are used for study, structural steel S235 and stainless steel 316L. The tensile test has been performed to get the data of the charged and uncharged specimens. Different strain rates were used to study the effect of the material after charging. The charging time ranged from 24 hours to 144 hours. The specimens are cylindrical shape. Digital image analysis is performed for the uncharged specimens to correctly analyse the strain field and compare it with the results from tensile test. For DIC analysis a GOM correlate software was used to study the 2D strain analysis of the specimen. The results show that hydrogen influences the mechanical properties of the material and microstructure.

Place, publisher, year, edition, pages
2019.
Keywords [en]
Hydrogen Embrittlement, DIC Analysis, Mechanical Properties, Hydrogen Charging
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:bth-18792OAI: oai:DiVA.org:bth-18792DiVA, id: diva2:1367708
External cooperation
ÅForsk
Subject / course
MT2565 Master's Thesis in Mechanical Engineering - Structural Mechanics
Educational program
MTAMT Master of Science Programme in Mechanical Engineering with emphasis on Structural Mechanics
Presentation
2019-10-25, J1640, Valhallavägen 1, 37141, Karlskrona, 08:15 (English)
Supervisors
Examiners
Available from: 2019-12-03 Created: 2019-11-04 Last updated: 2019-12-03Bibliographically approved

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Influence of Hydrogen(3510 kB)13 downloads
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Sobeih, Mahmoud Omar R JMaqsood, Moazzam
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CiteExportLink to record
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Citation style
  • apa
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