The effect of thermal history on the morphology of nickel sulphide

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dc.contributor.author Thomas, Paul en_US
dc.contributor.author Simon, Peter en_US
dc.contributor.author Ray, Abhi en_US
dc.date.accessioned 2009-06-26T04:10:48Z
dc.date.available 2009-06-26T04:10:48Z
dc.date.issued 2003 en_US
dc.identifier 2003000496 en_US
dc.identifier.citation Thomas Paul, Simon Peter, and Ray Abhi 2003, 'The effect of thermal history on the morphology of nickel sulphide', Kluwer Academic Publ, vol. 72, no. 3, pp. 801-809. en_US
dc.identifier.issn 1388-6150 en_US
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/522
dc.description.abstract The DSC characterisation of the morphology of the metastable a phase of stoichiometric nickel sulphide was carried out using two calorimeters; a TA Instruments 2920 MDSC and a Perkin Elmer DSC-7, and two quenching histories. Based on these quenching histories, significant differences were observed in the heat flow curves, including the observation of a second exothermic peak which is tentatively assigned to be a metastable phase to metastable phase transformation. The kinetic constants for the a to b recrystallisation were determined as a function of degree of conversion using a mechanism free isoconversional model. Variations in the values of the kinetic constants were also ascribed to the quenching histories. Although the differences in morphology observed were ascribed to the processing history, the shift in the position of the a to b recrystallisation peak was partially attributed to the thermal resistances of the instruments used. en_US
dc.publisher Kluwer Academic Publ en_US
dc.relation.isbasedon http://dx.doi.org/10.1023/A:1025057929548 en_US
dc.title The effect of thermal history on the morphology of nickel sulphide en_US
dc.parent Journal Of Thermal Analysis And Calorimetry en_US
dc.journal.volume 72 en_US
dc.journal.number 3 en_US
dc.publocation Dordrecht, Netherlands en_US
dc.identifier.startpage 801 en_US
dc.identifier.endpage 809 en_US
dc.cauo.name Dept of Material Science en_US
dc.conference Verified OK en_US
dc.for 030600 en_US
dc.personcode 960405 en_US
dc.personcode 0000019985 en_US
dc.personcode 860311 en_US
dc.percentage 100 en_US
dc.classification.name Physical Chemistry (incl. Structural en_US
dc.classification.type FOR-08 en_US
dc.description.keywords DSC, isoconversional kinetics, morphology, nickel sulphide, recrystallisationGlass en_US
dc.staffid 860311 en_US


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