Abstract:Microstructural and compositional analyses of Ti(C,N)–xWC–20Ni cermets were performed to understand the dissolution behavior of nano‐size Ti(C,N) and WC, compared with an ultra‐fine and a micro‐sized system. The WC content was varied from 10 wt% to 70 wt%. The rapid dissolution and reprecipitation of nano‐Ti(C,N) powders induced the formation of a coreless microstructure. With an increase in the amount of WC, the concentration of W in the rims increased but was low compared with the ultra‐fine or micrometer sy… Show more
“…On the contrary, TiC in the nanosized-mixture sample dissolves faster due to its fine size [17]. If this is the case, the nanosized TiC could dissolve completely.…”
Section: Microstructure Of the (Tiw)c-ni Cermetsmentioning
“…On the contrary, TiC in the nanosized-mixture sample dissolves faster due to its fine size [17]. If this is the case, the nanosized TiC could dissolve completely.…”
Section: Microstructure Of the (Tiw)c-ni Cermetsmentioning
“…The fracture toughness of TiC/Ti(CN)-Ni composites (6-7 MPa m 1/2 ) is generally lower than that of WC-Co composites (10-12 MPa m 1/2 ) [1,24]. The shorter lifetimes of the generally weaker components of TiC/Ti (CN)-Ni composites limit their broad applicability and generally leads to the addition of WC to improve their toughness for commercial use [25][26][27][28].…”
Section: Mechanical Properties Of Tic-ni Compositesmentioning
“…WC has been added to TiC/ TiCN composite for enhancing the TRS (Transverse Rupture Strength) and fracture toughness [10]. Mo is also added in TiC/TiCN, not only to enhance the wettability between grains, but also improve the densification and mechanical properties [11,12].…”
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