Imperial College London

Professor WE (Bill) Lee FREng

Faculty of EngineeringInstitute for Security Science & Technology

Co-Director of Institute for Security Science and Technology
 
 
 
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Contact

 

+44 (0)20 7594 6733w.e.lee Website

 
 
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Assistant

 

Ms Denise McGurk +44 (0)20 7594 8864

 
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Location

 

Central LibrarySouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Humphry-Baker:2017:10.1016/j.ijrmhm.2017.03.009,
author = {Humphry-Baker, S and Lee, WE and Peng, K},
doi = {10.1016/j.ijrmhm.2017.03.009},
journal = {International Journal of Refractory Metals and Hard Materials},
pages = {135--143},
title = {Oxidation resistant tungsten carbide hardmetals},
url = {http://dx.doi.org/10.1016/j.ijrmhm.2017.03.009},
volume = {66},
year = {2017}
}

RIS format (EndNote, RefMan)

TY  - JOUR
AB - We present a new method for retarding the oxidation rate of hardmetals. By diffusion impregnating a WC-FeCr hardmetal with silicon, we manufacture two-layered silicide coatings consisting of an FeSix outer crust and WSi2 beneath. The structure results from a preferential reaction between silicon and the metallic binder. The FeSix outer layer is crucial to providing oxidation resistance as when exposed to oxygen it passivates, forming a protective SiO2 surface film – while simultaneously preventing exposure of the underlying WSi2, which is known to oxidise in an active manner. Our analysis shows the coating method is applicable to various hardmetals structures.
AU - Humphry-Baker,S
AU - Lee,WE
AU - Peng,K
DO - 10.1016/j.ijrmhm.2017.03.009
EP - 143
PY - 2017///
SN - 0958-0611
SP - 135
TI - Oxidation resistant tungsten carbide hardmetals
T2 - International Journal of Refractory Metals and Hard Materials
UR - http://dx.doi.org/10.1016/j.ijrmhm.2017.03.009
UR - http://hdl.handle.net/10044/1/45691
VL - 66
ER -