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Metal Casting Technologies : March 2011
Figure 5. The SEM image of tensile fractograph Conclusions ESR is a well known process for steels and it can be concluded that it can be applied to aluminium and its alloys. From waste machined chips a sound ingot was produced using the ESR process. The ingot showed absence of internal porosities. There was no shrinkage in ESR ingot compared to a conventional casting. There was no slag entrapment in the metal. Macrostructure confirmed presence of equiaxed grains uniformly distributed in the longitudinal section. The ESR ingot showed good mechanical properties. ■ References G. Hoyle, Electroslag Processes: Principles and Practice, Applied Science Publishers London & NY. Medovar.B.I.et.al, ESR, Translated from the Russian book Elektroshlakovy Pereplav, Moscow, 1963, Office of technical services, Washington DC, USA. Rolland Kammel & H. Winter Hager, ATB Metallurgie, 1, 1970, 1 -- 13. D.M.Rabkin, Ishchenko, Automet, Svarka, 19 (6), 1966, 75-6. M. Tajallya, Zainul Huda, and H.H. Masjuki, International Journal of Impact Engineering, Volume 37, Issue 4, April 2010, Pages 425-432 2011 DEADLINES JUNE 2011 -- Light Metals R&D Editorial deadline: 18 May Advertising booking deadline: 25 May Material deadline: 08 June SEPTEMBER 2011 -- Who's Who of Metals Including Annual Buyer's Guide Editorial deadline: 3 August Advertising booking deadline: 10 August Material deadline: 24 August DECEMBER 2011 -- The Green Issue Editorial deadline: 2 November Advertising booking deadline: 9 November Material deadline: 23 November BOOK NOW FOR BEST POSITIONING Contact Adam Cail Ph: +61 2 9555 1944 or email email@example.com METAL Casting Technologies March 2011 39