Lamella to Dendrite Transition in Solidifying Hypereutectic Fe-FeSi Alloy Films
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概要
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The critical condition for the transition from lammellar to dendritic structures in hypereutictic Fe-FeSi alloy films, ranging in composition from 35 to 40 at・%Si, has been determined by means of unidirectional solidification. The critical condition is expressed by the following relation; G/R=1.6×10^7C_0+4.7×10^6 where G is temperature gradient in a melt at the liquid-solid interface, R is the solidification rate and C_0 is the initial composition of Si in the melt. The liquid diffusion coefficient obtained using the above result was 4.1×10^<-5> cm^2/s.
- 社団法人応用物理学会の論文
- 1982-02-05
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