Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 56: Issue 1
α-β Phase Re-Transformation Kinetics in Nickel Sulphide
Authors:
D. Bishop University of Technology Sydney Department of Chemistry, Materials and Forensic Science PO Box 123 Broadway NSW 2007 Australia PO Box 123 Broadway NSW 2007 Australia

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P. Thomas University of Technology Sydney Department of Chemistry, Materials and Forensic Science PO Box 123 Broadway NSW 2007 Australia PO Box 123 Broadway NSW 2007 Australia

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A. Ray University of Technology Sydney Department of Chemistry, Materials and Forensic Science PO Box 123 Broadway NSW 2007 Australia PO Box 123 Broadway NSW 2007 Australia

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Pages:
429–435
Online Publication Date:
03 Nov 2004
Publication Date:
01 Jul 1999
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1010179424043
Keywords:
DSC; nickel sulphide; TG; toughened glass; X-ray diffraction
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Abstract  

Nickel sulphide (NiS) was characterised using X-ray diffraction, thermal gravimetric analysis (TG) and differential scanning calorimetry (DSC). The 'as received' Millerite, stoichiometric NiS, observed to be slightly nickel deficient, was found to readily decompose in a nitrogen atmosphere at elevated temperatures (450C max.) to the sulphur deficient Godlevskite, Ni7S6. DSC and X-ray measurements demonstrated that the high temperature form of the Godlevskite was readily stabilised at room temperature. The kinetics of the α-β re-transformation in Godlevskite were then investigated using DSC and were observed to be first order.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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