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http://dx.doi.org/10.14346/JKOSOS.2019.34.2.7

Numerical Analysis of Palladium added Carbon Fiber/Al using Extended Finite Element Method and Multiscale Technique  

Park, Woo Rim (Department of Safety Engineering, Pukyong National University)
Kwon, Oh Heon (Department of Safety Engineering, Pukyong National University)
Publication Information
Journal of the Korean Society of Safety / v.34, no.2, 2019 , pp. 7-14 More about this Journal
Abstract
A palladium can adsorb hydrogen and detect leaking hydrogen through changes in color and electrical resistance. This study is to evaluate the structural behavior of carbon fiber adding palladium composite materials used in the hydrogen storage vessel. A multi-scale analysis technique was used to analyze accurately the behavior of each material in relation to the microscopic composition. The multi-scale analysis is more proper and precise for composite materials because of considering the individual microscopic structure and properties of each material for composite materials. Also the crack evaluation was performed by XFEM analysis to confirm the reinforcement performance of aluminum as a liner of the hydrogen vessel. The results show that the addition of the palladium material increased the macroscopic stress, but microscopically the carbon fiber stress was reduced. It means the performance improvement of the palladium added carbon fiber/Al composite.
Keywords
multiscale analysis; palladium composite material; numerical analysis; XFEM; microscopic structure;
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Times Cited By KSCI : 2  (Citation Analysis)
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