Search Results - "Welham, N. J."

Metallothermic reduction of zinc sulfide induced by ball milling by Setoudeh, N., Welham, N. J.

“…Stoichiometric mixtures of ZnS + Al and ZnS + Mg were milled for different times in a planetary ball mill. The XRD traces of the as-milled samples showed the…”
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Self-Assembled Silica-Carbonate Structures and Detection of Ancient Microfossils by García-Ruiz, J. M., Hyde, S. T., Carnerup, A. M., Christy, A. G., Van Kranendonk, M. J., Welham, N. J.

“…We have synthesized inorganic micron-sized filaments, whose microstucture consists of silica-coated nanometer-sized carbonate crystals, arranged with strong…”
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Carbonitridation of mechanically activated mixtures of zircon and carbon by Setoudeh, N., Welham, N.J.

“…•Formation temperature of ZrN and ZrC decreased to 1400°C in the five hours milled sample.•Either ZrC or ZrN were observed in the heating of 6:1 C:Zircon…”
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Formation of zirconium diboride (ZrB2) by room temperature mechanochemical reaction between ZrO2, B2O3 and Mg by SETOUDEH, N, WELHAM, N. J

“…A mixture of magnesium, boric oxide and zirconium dioxide were mechanically milled under argon for up to 15 h in a laboratory scale ball mill. X-ray…”
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Carbothermic reduction of anatase and rutile by Setoudeh, N., Saidi, A., Welham, N.J.

“…The carbothermic reduction of anatase and rutile to TiC was investigated using a combination of thermogravimetric analysis and X-ray diffraction. Samples…”
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Solid-state formation of lithium ferrites from mechanically activated Li2CO3-Fe2O3 mixtures by BERBENNI, V, MARINI, A, MATTEAZZI, P, RICCERI, R, WELHAM, N. J

“…The formation of lithium ferrites (LiFe5O8 and LiFeO2) from mechanically activated mixtures of Li2CO3-Fe2O3 was studied using thermal analysis, evolved gas…”
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Enhanced dissolution of tantalite/columbite following milling by Welham, N.J

“…A tantalum/niobium concentrate has been ball-milled for up to 50 h in a laboratory mill without apparent phase change, other than a decrease in unit cell…”
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Mechanical activation of the solid-state reaction between Al and TiO2 by WELHAM, N. J

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Effect of elemental iron and gas atmosphere on the carbothermic reduction of rutile by Setoudeh, N., Saidi, A., Welham, N.J.

“…The carbothermic reduction of rutile has been investigated in the presence and absence of elemental iron under either argon or nitrogen atmospheres. Several…”
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Highly adsorbent carbon formed by ball milling by Welham, N.J., Setoudeh, N.

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Effect of elemental iron on the carbothermic reduction of the anatase and rutile forms of titanium dioxide by Setoudeh, N., Saidi, A., Welham, N.J.

“…Effect of iron on the carbothermic reduction of anatase and rutile forms of titanium dioxide was studied. Differential thermogravimetric analysis indicated a…”
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Activation of the carbothermic reduction of manganese ore by Welham, N.J

“…The effect of extended milling on the carbothermic reduction of a manganese ore has been examined using a combination of thermal analysis and X-ray diffraction…”
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Formation of an alumina-silicon carbide nanocomposite by WELHAM, N. J, SETOUDEH, N

“…The properties of sub-micron grained composites are generally superior to those manufactured from larger particles and the importance of nanostructured…”
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Formation of micronised WC from scheelite (CaWO 4) by Welham, N.J.

“…A stoichiometric mixture of graphite and scheelite have been mechanically milled together for 40 h. The resultant powder, and an unmilled powder, have been…”
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Carbothermic reduction of llmenite (FeTiO3) and rutile (TiO2) by Welham, N J, Williams, J S

“…The mechanically activated carbothermic reduction mechanism of ilmenite has been examined by a combination of steady-state and dynamic thermal techniques…”
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Mechanical enhancement of the carbothermic formation of TiB2 by WELHAM, N. J

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Mechanochemical processing of gold-bearing sulphides by Welham, N.J.

“…Samples of pure pyrite and arsenopyrite and a gold-bearing pyrite / arsenopyrite concentrate have been mechanically milled in inert and oxidising atmospheres…”
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Extended milling of graphite and activated carbon by Welham, N.J., Williams, J.S.

“…Graphite and activated carbon have been ball milled under vacuum for up to 1000 hours. The graphite became amorphous, with no evidence of recrystallisation…”
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Room temperature reduction of scheelite (CaWO4) by Welham, N. J.

“…A mixture of scheelite and magnesium has been mechanically milled together for 100 h, either with graphite or in a nitrogen atmosphere, with the intention of…”
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The effect of solution speciation on iron–sulphur–arsenic–chloride systems at 298 K by Welham, N.J, Malatt, K.A, Vukcevic, S

“…The speciation in solution of a number of metallurgically important iron-bearing systems are calculated from critically reviewed data. In acidic solution, Fe…”
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