Study on Fracture of the Fibrous Monolith Cemented Carbide

Cun Guang Ding; Xue Quan Liu; Yi Li; Chang Hai Li; Nan Li; Fa Chang Li

doi:10.4028/www.scientific.net/AMR.815.43

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 815Study on Fracture of the Fibrous Monolith Cemented...

Study on Fracture of the Fibrous Monolith Cemented Carbide

Abstract:

A fibrous monolith cemented carbide with WC-6%Co as cell and WC-20%Co as cell boundaries was produced through hot co-extrusion process in this paper. The density, hardness, transverse rupture strength (TRS) and fracture toughness (K_Ic) of the fibrous monolith cemented carbide were tested, and the fracture and crack propagation were observed by metalloscope and Scanning Electron Microscope. The result shows fibrous monolith structure design could effectively improve the TRS and the K_Ic of WC/Co cemented carbide without a significant decrease of hardness. It is the reason of high transverse rupture strength and fracture toughness that WC-20%Co can absorb more fracture energy in order to slow, prevent, or deflect crack propagation, proved by metalloscope and scanning electron microscope.

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Progress in Materials Science and Engineering: ICMSE 2013

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Periodical:

Advanced Materials Research (Volume 815)

Pages:

43-47

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.815.43

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Online since:

October 2013

Authors:

Cun Guang Ding, Xue Quan Liu, Yi Li, Chang Hai Li, Nan Li, Fa Chang Li

Keywords:

Cemented Carbide, Fibrous Monolith, Fracture, Toughness

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