Structure and mechanical properties of an Al-Zn-Mg alloy, doped by scandium and zirconium

被引：0
|
作者：
Lotsko, DV
Mil'man, YV
Yefimov, MO
Rachek, OP
Trofimova, LM
机构：
[1] IN Frantsevich Mat Sci Problem Inst, UA-252660 Kiev, Ukraine
[2] GV Kurdyumov Met Phys Inst, UA-252680 Kiev, Ukraine
来源：
METALLOFIZIKA I NOVEISHIE TEKHNOLOGII | 1999年 / 21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 alloying by scandium in the amount to 0.15% (in mass) on the structure and mechanical properties of semifinished items of the model alloy Al-7.1% Zn-13% Mg-0.12% Zr is studied. In conditions under studying, the role of Sc in hardening of aged alloy is shown to be reduced to the preservation after quenching of non-recrystallized cellular structure, which is explained by the inhibiting influence of coherent particles Al-3(Sc1-xZrx) on the motion of boundaries and subboundaries as well as by the formation under their influence of homogeneous cellular structure.
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页码：9 / 16
页数：8
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