γ-radiation influence on magnetic properties of amorphous alloys Fe-Si-B

被引：0
|
作者：
Maslov, VV
Nosenko, VK
Neimash, VB
Povarchuk, VY
机构：
[1] GV Kurdyumov Met Phys Inst, UA-03680 Kiev, Ukraine
[2] Natl Acad Sci Ukraine, Inst Phys, UA-03650 Kiev, Ukraine
来源：
METALLOFIZIKA I NOVEISHIE TEKHNOLOGII | 2002年 / 24卷 / 06期
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D O I：
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of hard gamma-irradiation (Co-60 with energy of gamma-quantums 12 MeV, irradiation doze similar to 2 10(9) R) on the dynamic (1 kHz) magnetic properties of the heat-treated toroidal magnetic cores made from Fe(755)Si(2)B(16)N1(35)Mo(3) and Fe(785)S1(6)B(14)N1(1)Mo(05) amorphous alloys is studied The irradiation causes decrease of magnetic properties, moreover in magnetic cores irradiated after heat treatment it manifests itself weaker as compared with ones made from preliminary irradiated ribbons As shown, depending on the alloy composition and irradiation regime of magnetic cores (before or after heat treatment), both partial restoration and some drop of initial magnetic permeability can occur in the process of long-term (up to 2 years) exposure at room temperature.
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页码：747 / 757
页数：11
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