Loading...
Search for:
optimum-processing-temperature
0.006 seconds
Toughening mechanisms of SiC-bonded CNT bulk nanocomposites prepared by spark plasma sintering
, Article International Journal of Refractory Metals and Hard Materials ; Volume 71 , February , 2018 , Pages 61-69 ; 02634368 (ISSN) ; Azarniya, A ; Eslami Shahed, H ; Madaah Hosseini, H. R ; Simchi, A ; Sharif University of Technology
Elsevier Ltd
2018
Abstract
In this work, silicon carbide (SiC) was utilized as a binding agent to fuse carbon nanotubes (CNTs) into highly tough dense CNT bulk nanocomposites through spark plasma sintering (SPS) method. Phase studies were performed using x-ray diffraction analysis (XRD) and field-emission scanning electron microscopy (FESEM) and obtained results were verified by the microstructural evolution. Also, the optimum processing temperature was determined as 1600 °C at which the undesired allotropic phase transformation of SiC (β) → SiC (α) was avoided and single-walled CNTs (SWCNTs) were structurally preserved. Fracture toughness of the nanocomposite synthesized at optimum processing conditions was...