Effect of internal oxidation on the microstructure and mechanical properties of vanadium alloys

被引:30
作者
Tyumentsev, A. N.
Korotaev, A. D.
Pinzhin, Yu. P.
Ovchinnikov, S. V.
Ditenberg, I. A.
Shikov, A. K.
Potapenko, M. M.
Chernov, V. M.
机构
[1] SB RAS, Inst Strength Phys & Mat Sci, Tomsk 634055, Russia
[2] Tomsk VV Kuibyshev State Univ, Siberian Phisicotech Inst, Tomsk 634050, Russia
[3] AA Bochvar Inorgan Mat Res Inst, Moscow 123060, Russia
基金
俄罗斯基础研究基金会;
关键词
D O I
10.1016/j.jnucmat.2007.03.070
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper presents a short review of previous studies on the internal oxidation of vanadium alloys performed by the authors. These have investigated how internal oxidation affects the thermal stability of the microstructure of Zr-containing vanadium alloys and the temperature dependence of the short-term strength and plasticity characteristics of these alloys. Methods for producing highly dispersed heterophase materials stable up to temperatures close to the melting point have been substantiated. It has been shown that these methods efficiently increase the recrystallization temperature (up to T approximate to 0.8T(m)) for alloys subjected to internal oxidation in high-defect-density states. In combination with the high efficiency of precipitation hardening by ultrafine ZrO2 particles, this provides a (1.5-2)-fold increase in short-term (including high-temperature, T <= I 100 degrees C) strength of vanadium alloys while retaining good room temperature plasticity. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:853 / 857
页数:5
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