STRUCTUREAND PROPERTY OF DIRECTIONALLY SOLIDIFIED EUTECTIC Bi/MnBi ALLOY

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Acta Metallurgica Sinica (English Letters) ›› 1992, Vol. 5 ›› Issue (12): 512-515.

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STRUCTUREAND PROPERTY OF DIRECTIONALLY SOLIDIFIED EUTECTIC Bi/MnBi ALLOY

FU Xuli;LI Jun;WANG Wu;YANG Yongqing;SHU Guangji Southeast University,Nanjing,China

Received:1992-12-11 Revised:1992-12-11 Online:1992-12-11 Published:2009-10-10

Abstract

Abstract: Eutectic Bi/MnBi magnetic alloy was prepared by directional solidification.When the growth rate,R>2 cm/h,the MnBi fibre spacing,λ,distributed homogeneously in Bi matrix,follows λ~2R=constant.The thermal gradient.G_L,does not influence λ.The magnetic property,B_r of Bi/MnBi alloy decreases with the increase of R and increases with the increase of G_L.

Key words: eutectic Bi/MnBi alloy, growth rate, thermal gradient, fiber spacing, magnetic property

FU Xuli;LI Jun;WANG Wu;YANG Yongqing;SHU Guangji Southeast University,Nanjing,China. STRUCTUREAND PROPERTY OF DIRECTIONALLY SOLIDIFIED EUTECTIC Bi/MnBi ALLOY[J]. Acta Metallurgica Sinica (English Letters), 1992, 5(12): 512-515.

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STRUCTUREAND PROPERTY OF DIRECTIONALLY SOLIDIFIED EUTECTIC Bi/MnBi ALLOY

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