Chemical vapour deposition of diamond films onto tungsten carbide dental burs

Ahmed, Waqar; Sein, Htet; Jackson, Mark J.; Polini, Riccardo

doi:10.1016/j.triboint.2004.07.013

Cited by 16 publications

(6 citation statements)

References 15 publications

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“…Tungsten carbide is widely used in many industries, e.g. components in mining industries, dental burs, surgical tools and punches used in pharmaceutical industry (TAKAHASHI, M., KAMIYA, O., PASANG, T. 2017, AHMED, W., SEIN, H., JACKSON, M., POLINI, R. 2004, FAYYAZ, A., MUHAMAD, N., SULONG, A.B., RAJABI, J., WONG, Y.N. 2014.…”

Section: Introductionmentioning

confidence: 99%

The evaluation of wear of tungsten carbide dental bur

Lisiecka

2018

Production Engineering Archives

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Due to its durability, tungsten carbide has long been used as a material to produce dental burs. WC– Co burs are designed for smooth, efficient cutting and extended life. Dental burs are available in different sizes and shapes, for example round burs, pear and cylinder-shaped, egg-shaped, as well as there are various tapered ones, which enable an individual selection of the drill for the right treatment. Carbides can be used for standard crowns and bridges, for extensive surgical procedures and they should minimize damage to the existing teeth. The design of WC–Co dental bur reduces a patient’s discomfort because of the operating time and the fact that its liquidity is preserved. The head of the bur (the cutting edge) delivers optimum concentricity and strength. The shank is made from stainless steel allowing a bur to be autoclaved multiple times without the risk of corrosion. The main purpose of this study was to evaluate the wear of a tungsten carbide dental bur. The results of stereoscopy microscope and SEM/EDS analysis are presented.

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Section: Introductionmentioning

confidence: 99%

The evaluation of wear of tungsten carbide dental bur

Lisiecka

2018

Production Engineering Archives

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“…However, most of them are not lubricious, which leads to high frictional losses. Thin diamond and diamond-like carbon coatings have been investigated to lubricate metal carbides [2][3][4]. Another approach to improve the tribological behavior of metal carbides is the carbide-derived carbon (CDC) process [5].…”

Section: Introductionmentioning

confidence: 99%

Improved frictional behavior of SiC derived carbon coating using MoS3 as a solid lubricant

Liu

Wang

et al. 2016

Tribology International

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“…The WC-Co metal matrix composites are one of the most common hardmetals which have been widely used, particularly in applications that demand high wear resistance. However, due to their heterogeneous nature, in the presence of any aqueous solution encountered in applications such as wet drawing process, 1 dental burs, 2 punching dies, ball valves in the petroleum industry and cutting lumbers 3 and wire electrodischarge machining, 4 among others, their mechanical and wear properties are seriously affected as a result of the selective dissolution of the Co binder. Hochstrasser et al 5 have studied extensively the corrosion of WC-Co and pointed out that despite a considerable number of studies that were carried out on this system, the conclusions regarding the corrosion susceptibility found in literature are contradictory, due to the very complex reaction mechanisms of WC-Co corrosion.…”

Section: Introductionmentioning

confidence: 99%

Effect of TiAlN PVD coatings on corrosion performance of WC–6%Co

Gil

Liscano

Goudeau

et al. 2010

Surface Engineering

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The present study has been carried out to evaluate the corrosion performance of three different (Ti12xAlx)N/TiN multilayers coatings commercially deposited on WC-Co inserts. Two of these coatings were nanostructured, and all of them presented different Ti/Al atomic ratios varying from 2 : 3 up to 7 : 3 and were deposited by employing a commercial physical vapour deposition cathodic arc process. X-ray diffraction analysis indicated that the grain size for both the TiAlN and TiN layers in the coatings architecture, varied between approximately 9 to 14 nm. The corrosion performance was evaluated in a 3 wt-%NaCl solution using both open circuit potential and potentiodynamic polarisation measurements. Scanning electron microscopy and energy dispersive spectroscopy surface characterisation before and after corrosion testing allowed the determination that all the coatings under study show a corrosion current density of approximately one order of magnitude smaller than the uncoated substrate, indicating thus their beneficial effect from the corrosion protection viewpoint.

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Chemical vapour deposition of diamond films onto tungsten carbide dental burs

Cited by 16 publications

References 15 publications

The evaluation of wear of tungsten carbide dental bur

The evaluation of wear of tungsten carbide dental bur

Improved frictional behavior of SiC derived carbon coating using MoS3 as a solid lubricant

Effect of TiAlN PVD coatings on corrosion performance of WC–6%Co

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