Measurement of Cobalt Gradient in Functionally Graded WC-Co Composites

Yi Gao Yuan; Yan Kun Wang; Jian Jun Ding; Wei Quan Sun; Xiao Xiao Zhang; Jia Sheng Bai

doi:10.4028/www.scientific.net/AMR.774-776.1609

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 774-776Measurement of Cobalt Gradient in Functionally...

Measurement of Cobalt Gradient in Functionally Graded WC-Co Composites

Abstract:

Functionally graded WC-Co (FG WC-Co) offers superior combination of wear resistance, fracture toughness, and strength, and provides superior engineering performance over conventional homogeneous WC-Co. The cobalt gradient structure of the FG WC-Co, including the thickness of the gradient zone and the cobalt concentration distribution, have the great influence on its engineering performances. Measurement of cobalt gradient of the FG WC-Co was studied in this paper using an energy dispersive spectroscopy (EDS) technique. The result shows that the rectangular area scanning mode of EDS is suitable for evaluating the cobalt content distribution quantitatively in the FG WC-Co. Based on the cobalt content distribution curve, the thickness and the amplitude of cobalt gradient in the FG WC-Co can be measured easily.

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Periodical:

Advanced Materials Research (Volumes 774-776)

Pages:

1609-1612

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.774-776.1609

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Online since:

September 2013

Authors:

Yi Gao Yuan, Yan Kun Wang, Jian Jun Ding, Wei Quan Sun, Xiao Xiao Zhang, Jia Sheng Bai

Keywords:

Cemented Tungsten Carbide, Cobalt Gradient Measurement, Energy Dispersive Spectroscopy, Functionally Graded WC-Co

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