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		题名	作者	年代	出处	被引量
	1	Characterization of surface liquid segregation in SSM-HPDC aluminium alloys 7075,2024,6082 and A201显示文摘The surface liquid segregation(SLS) phenomenon in semi-solid metal-high pressure die casting(SSM-HPDC) plates of 7075,2024,6082 and A201 was investigated by different techniques.Depth profiles were determined by firstly measuring the chemical composition of the surface of the plates using a Thermo Quantris optical emission spectrometer(OES).Material was then removed by a grinding process followed by measurement of the amount of material removed and chemical analysis.Chemical profiles of the main alloying elements were plotted for the cross-section of the plates in the as-cast and T6(after solution treatment) temper conditions.Vickers hardness profiles from the surface to the centre of the plates were determined.Metallographic samples of cross-sections of the castings were prepared and evaluated using a scanning electron microscope.The results show that surface liquid segregation in SSM-HPDC alloys causes significant differences in properties between the surface and the bulk of these castings in both the F and T6 temper conditions.	H.MLLER U.A.CURLE E.P.MASUKU	2010	中国有色金属学会会刊:英文版2010，20，S3：	6
	2	Influence of surface liquid segregation on corrosion behavior of semi-solid metal high pressure die cast aluminium alloys显示文摘The corrosion behavior(in chloride medium) of the surface layer of SSM-HPDC plates of alloys 7075-T6 and 2024-T6 was compared with that of the wrought alloys 7075-T6 and 2024-T6.Potentiodynamic testing was performed in deaerated 3.5%NaCl solution.In separate tests,the open-circuit potential was monitored in aerated 3.5% NaCl for 30 min after immersion.The electrochemical tests show that there is no significant difference in the pitting potential of the wrought alloys and that of the Cu-enriched surfaces of the SSM-HPDC alloys.	E.P.MASUKU H.MLLER U.A.CURLE P.C.PISTORIUS	2010	中国有色金属学会会刊:英文版2010，20，S3：	0

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