Influence of the substrate gas-inlet gap on the growth rate, morphology and microstructure of zirconium carbide films grown by chemical vapour deposition

Autor: Biira, S., Alawad, B.A.B., Bissett, H., Nel, J.T., Ntsoane, T.P., Hlatshwayo, T.T., Crouse, P.L., Malherbe, J.B.

Publikováno v: In Ceramics International January 2017 43(1) Part B:1354-1361

Glow discharge optical emission spectroscopy: A general overview with regard to nuclear materials

Autor: Lötter, S.J., Purcell, W., Nel, J.T.

Publikováno v: Journal of the Southern African Institute of Mining and Metallurgy, Volume: 115, Issue: 10, Pages: 966-971, Published: OCT 2015

Glow discharge optical emission spectroscopy (GD-OES) is an analytical technique used in the analysis of solid, conducting materials. Though primarily of interest as a depth profiling technique on samples with varying layers of both conducting and no

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1575::733ff6e50c4d3e2d9689a1fc4b014d8d
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532015001000013&lng=en&tlng=en

The manufacture of plasma-dissociated zircon (PDZ) via a non-transferred arc process utilizing three 150 kw DC plasma torches

Autor: Havenga, J.L, Nel, J.T

Publikováno v: Journal of the Southern African Institute of Mining and Metallurgy, Volume: 112 Supplement 1, Pages: 497-500, Published: 2012
Journal of the Southern African Institute of Mining and Metallurgy, Volume: 112, Issue: spe, Pages: 497-500, Published: JUL 2012

South Africa produces about 400 Kt zircon (ZrSiC>4) per annum. This represents about 30 percent of the global demand. However, very little is beneficiated locally and more than 95 percent is exported with little or no value addition. Zircon is a very

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::e0c2c209b0b96f535b64936da86afa81
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S0038-223X2012001400002&lng=en&tlng=en

The plasma-assisted manufacture of zirconium metal powder from zirconium tetrachloride

Autor: Nel, J.T., Havenga, J.L., Makhofane, M.M., Jansen, A.A.

Publikováno v: Journal of the Southern African Institute of Mining and Metallurgy, Volume: 112, Issue: 1, Pages: 63-68, Published: JAN 2012

The Kroll process is the traditional method of producing zirconium metal by reduction of zirconium tetrachloride with magnesium metal. This paper discusses the production of zirconium metal in a plasma reactor. Anhydrous low-hafnium ZrCl4 and Mg meta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1575::42ff5e33be86bac9674bc5fae16a886a
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532012000100013&lng=en&tlng=en

The plasma manufacturing of titania pigment and nano-titania in a pilot plant

Autor: Nel, J.T., Havenga, J.L., Swanepoel, J., Bosman, H.

Publikováno v: Journal of the Southern African Institute of Mining and Metallurgy, Volume: 110, Issue: 5, Pages: 235-239, Published: MAY 2010

SYNOPSIS The establishment of a pilot plant for the continuous production of titania pigment and nano-titania is discussed. The plant was designed, constructed and operated on the Necsa site. The TiO2 production capacity is 7-10 kg.h-1 by the reactio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1575::99a0ffa4d3783fc43836ca52f95dfda4
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532010000500008&lng=en&tlng=en