用XRD法研究了退火Fe73.5Cu1Nb3Si13.5B9合金中α-Fe(Si)晶化相的有序化过程.结果表明,Fe73.5Cu1Nb3Si13.5B9非晶合金在490℃,1h退火后,α-Fe(Si)晶化相是具有DO3结构的有序相,有序畴为球形,直径为7.0nm,它随退火温度的升高而长大,在590℃退火后达10.9nm,与α-Fe(Si)的尺寸相当.此时,α-Fe(Si)的有序度为0.8在850℃,1h退火后,α-Fe(Si)的DO3超点阵线条消失.在550℃等温退火时,α-Fe(Si)的DO3有序畴先为椭球状,于60min退火后形成球状,直径为10nm.
The ordering of the α-Fe(Si) phase in Fe73.5Cu1Nb3Si13.5B9 annealed alloy has been studied by using XRD. Experimental results show that the α-Fe(Si) crystalline phase in Fe73.5Cu1Nb3Si13.5B9 alloy anealed at 490℃, 1h has DO3 superlattice structure, the sh
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| [9] | YoshizawaY,OgumaS,YamauchiK．JApplPhys,1988 |
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