Sem investigation of heat treated high-chromium cast irons

Hinckley, B; Dolman, KF; Wuhrer, R; Yeung, W; Ray, A

Sem investigation of heat treated high-chromium cast irons

Hinckley, B Dolman, KF Wuhrer, R Yeung, W Ray, A

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Publication Type:: Journal Article
Citation:: Materials Forum, 2007, 32 pp. 55 - 71
Issue Date:: 2007-12-01

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Field	Value	Language
dc.contributor.author	Hinckley, B	en_US
dc.contributor.author	Dolman, KF	en_US
dc.contributor.author	Wuhrer, R	en_US
dc.contributor.author	Yeung, W	en_US
dc.contributor.author	Ray, A	en_US
dc.date.issued	2007-12-01	en_US
dc.identifier.citation	Materials Forum, 2007, 32 pp. 55 - 71	en_US
dc.identifier.issn	0883-2900	en_US
dc.identifier.uri	http://hdl.handle.net/10453/9378
dc.description.abstract	Two high-chromium white cast irons, with compositions of Fe-25Cr-3.1C-2.0Mn-0.7Si and Fe-25Cr-5.2C-2.1Mn-0.4Si, were cast and subjected to various heat treatments. The microstructures wre investigated using scanning electron microscopy and electron back-scattered diffraction techniques. The microstructure and properties were found to vary profoundly upon the increase in carbon content from 3 to 5%, changing from near-eutectic to hypereutectic and from a ferrous matrix of austenite partially transformed to martensite to one entirely transformed to pearlite. Age hardening followed by rapid cooling produced secondary carbides and a predominantly martensitic matrix in both alloys. © Institute of Materials Engineering Australasia Ltd.	en_US
dc.relation.ispartof	Materials Forum	en_US
dc.title	Sem investigation of heat treated high-chromium cast irons	en_US
dc.type	Journal Article
utslib.citation.volume	32	en_US
utslib.for	0299 Other Physical Sciences	en_US
utslib.for	1007 Nanotechnology	en_US
utslib.for	0912 Materials Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
utslib.copyright.status	open_access
pubs.publication-status	Published	en_US
pubs.volume	32	en_US

Abstract:

Two high-chromium white cast irons, with compositions of Fe-25Cr-3.1C-2.0Mn-0.7Si and Fe-25Cr-5.2C-2.1Mn-0.4Si, were cast and subjected to various heat treatments. The microstructures wre investigated using scanning electron microscopy and electron back-scattered diffraction techniques. The microstructure and properties were found to vary profoundly upon the increase in carbon content from 3 to 5%, changing from near-eutectic to hypereutectic and from a ferrous matrix of austenite partially transformed to martensite to one entirely transformed to pearlite. Age hardening followed by rapid cooling produced secondary carbides and a predominantly martensitic matrix in both alloys. © Institute of Materials Engineering Australasia Ltd.

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http://hdl.handle.net/10453/9378