SINTERING AND CHARACTERIZATION OF WC-20WT.% (FE, CO) NANO-STRUCTURED POWDERS DEVELOPED BY BALL-MILLING

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KARBASI MINOO; KARBASI MA.; SAIDI A.; FATHI M.H.

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Journal: Journal of Advanced Materials and Processing Year:2014 | Volume:2 | Issue:3 Page(s): 3-14

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Title

SINTERING AND CHARACTERIZATION OF WC-20WT.% (FE, CO) NANO-STRUCTURED POWDERS DEVELOPED BY BALL-MILLING

Author(s)

KARBASI MINOO | KARBASI MA. | SAIDI A. | FATHI M.H. | Issue Writer Certificate

Keywords

WC-BASED CEMENTED CARBIDES

BALL MILLING

MICROSTRUCTURE

HARDNESS

SINTERING

Abstract

The aim of the present work is to study the effects of the nanostructured WC-20 wt. % (Fe, Co) with different iron to cobalt ratios on MICROSTRUCTURE and HARDNESS of the sintered samples.Furthermore, a sample with a cobalt binder was produced under the same conditions for comparison purposes. The nanocomposite development, after different milling times, was monitored by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). A homogenous distribution of nanostructured WC (crystallite size less than 30 nm) in the binder matrix was formed after 25 h of milling. The HARDNESS and the relative density of the WC-20wt. % (Fe, Co) composites consolidated by conventional SINTERING at 1350oC were investigated. In the sintered samples after 25 h of milling, tungsten carbide grains have a uniform distribution with a lower grain size.Densification and HARDNESS improved after 25 h of milling and reached optimum levels for the 25 h milled powders with equal ratio of iron to cobalt.

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APA: Copy

KARBASI, MINOO, KARBASI, MA., SAIDI, A., & FATHI, M.H.. (2014). SINTERING AND CHARACTERIZATION OF WC-20WT.% (FE, CO) NANO-STRUCTURED POWDERS DEVELOPED BY BALL-MILLING. JOURNAL OF ADVANCED MATERIALS AND PROCESSING (JOURNAL OF MATERIALS SCIENCE), 2(3), 3-14. SID. https://sid.ir/paper/661573/en

Vancouver: Copy

KARBASI MINOO, KARBASI MA., SAIDI A., FATHI M.H.. SINTERING AND CHARACTERIZATION OF WC-20WT.% (FE, CO) NANO-STRUCTURED POWDERS DEVELOPED BY BALL-MILLING. JOURNAL OF ADVANCED MATERIALS AND PROCESSING (JOURNAL OF MATERIALS SCIENCE)[Internet]. 2014;2(3):3-14. Available from: https://sid.ir/paper/661573/en

IEEE: Copy

MINOO KARBASI, MA. KARBASI, A. SAIDI, and M.H. FATHI, “SINTERING AND CHARACTERIZATION OF WC-20WT.% (FE, CO) NANO-STRUCTURED POWDERS DEVELOPED BY BALL-MILLING,” JOURNAL OF ADVANCED MATERIALS AND PROCESSING (JOURNAL OF MATERIALS SCIENCE), vol. 2, no. 3, pp. 3–14, 2014, [Online]. Available: https://sid.ir/paper/661573/en

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