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Effects of Holmium Additions on Microstructure and Properties of A356 Aluminum Alloys
Sr-modification of A356 alloys has distinct shortages due to the volatilization and oxidation during remelting and pouring, which often reduce the modification efficiency and mechanical properties of the alloys. To avoid the adverse effects and enhance the comprehensive properties, the effects of heavy rare earth element holmium (Ho) modification on the microstructure and properties of the alloy were investigated. Ho addition inhibited the intrinsic orientation growth of (111)Al planes anddoi:10.3390/met8100849 fatcat:y5kk7kkahjcnbftaz7dfvannb4