Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.11851/11752
Title: | Enhanced Compressive Strength of Graphene Strengthened Copper (g/Cu) Composites | Authors: | Çakır, Deniz Caylan, Omer R. Gurpinar, Erhan Akgul, Ogulcan Tuğrul, H. Onat Okay, Elif Atli, Eren |
Keywords: | graphene plasma enhanced CVD copper composite compression test mechanical properties Mechanical-Properties Thermal-Conductivity High-Temperature Tensile |
Publisher: | Iop Publishing Ltd | Abstract: | This study explores the compressive mechanical properties of copper composites reinforced with graphene. Graphene was synthesized on copper powders via plasma-enhanced chemical vapor deposition. Multilayer graphene formation has been substantiated by Raman analysis. Graphene-coated copper (G/Cu) powders were then subjected to pressing and sintering to fabricate G/Cu composites. The mechanical properties of G/Cu composites were investigated under compression from room temperature up to 400 degrees C in air. The results demonstrated a substantial improvement in the mechanical properties of G/Cu composites compared to monolithic copper. Specifically, the yield strength in compression of the G/Cu composite increased by 203% at room temperature and by 190% at 200 degrees C. At 400 degrees C, the yield strength enhancement exceeded 370%. Microstructural analysis suggests that the observed enhancements in G/Cu composites can be attributed to reduced porosity, smaller grain size, and inhibited dislocation motion at the increased grain boundary area (due to refined grain size) and graphene-copper interfaces. | URI: | https://doi.org/10.1088/2631-6331/ad6954 https://hdl.handle.net/20.500.11851/11752 |
ISSN: | 2631-6331 |
Appears in Collections: | Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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