RT Journal Article
T1 Wear resistance of nanostructured Cr-based WC hardmetals sintered by spark plasma sintering
A1 Deng, Xiangxing
A1 Cinca, Nuria
A1 Garbiec, Dariusz
A1 Torralba Castelló, José Manuel
A1 García Junceda Ameigenda, Andrea
AB Nanostructured Cr-based WC hardmetals are successfully sintered by spark plasma sintering. The wear behaviour of these Cr-based WC hardmetals with different C contents ranging from 5.57 wt% to 6.91 wt%, is evaluated performing sliding wear tests under two different wear conditions. This work analyses the influence of the C content on the wear performance through the study of the phase formation and WC grain size. The Cr-based hardmetal with 5.57 wt% C content exhibits a lower wear rate than Co-based WC hardmetals tested under similar dry ball-on-plate wear conditions, even considering that these Co-based WC hardmetals have higher WC content (90 wt%) than Cr-based WC hardmetals (83.2 wt%). The combination of a nanosized WC grain and the avoidance of brittle (Cr,Fe)7C3 or soft graphite phases leads to a superior wear performance. Thus, the use of Cr-based binders in the hardmetal industry, alternatively to Co-based binders, is promising in applications in which high wear resistance is needed.
PB Elsevier
SN 0263-4368
YR 2020
FD 2020-01
LK https://hdl.handle.net/10016/33237
UL https://hdl.handle.net/10016/33237
LA eng
NO Erratum to 'Wear resistance of nanostructured Cr-based WC hardmetals sintered by spark plasma sintering' [International Journal of Refractory Metals and Hard Materials Volume 87, February 2020, 105121]. DOI: https://doi.org/10.1016/j.ijrmhm.2020.105206
DS e-Archivo
RD 1 sept. 2024