Microstructural Evolution of AZ91 Alloy Containing 3%Ca Prepared by Cooling Slope
2008 ◽
Vol 141-143
◽
pp. 427-432
◽
Keyword(s):
Globulization of the grain refined AZ91 magnesium alloy with Ca on a cooling slope was investigated. Dendritic morphology of the grains was transferred into round and well distributed small particles as a result of grain-refinement effect of Ca in the alloy. Semi-solid holding of the alloy was carried out at different temperatures to improve the spherecity of the globules. Results show that, remelting at 540 °C for 30 min provides the best shape factor for the alloy. The study of coarsening kinetic in this alloy showed lower growth rate alternative other research which used same condition for produce semi-solid billet just in using Ca.
2017 ◽
Vol 2017
◽
pp. 1-13
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Keyword(s):
2011 ◽
Vol 306-307
◽
pp. 471-474
2017 ◽
Vol 17
(1)
◽
pp. 202-206
◽
2017 ◽
Vol 232
(5)
◽
pp. 613-621
◽
2007 ◽
Vol 546-549
◽
pp. 155-158
2017 ◽
Vol 898
◽
pp. 1369-1380
◽
Effect of Microstructure on Mechanical Properties of Semi-Solid Formings of an AZ91 Magnesium Alloy.
1997 ◽
Vol 63
(610)
◽
pp. 1313-1319
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Keyword(s):