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ambient creep
相关语句
  室温蠕变
     FACILITATING EFFECT OF ANODIC POLARIZATION ON AMBIENT CREEP OF BRASS
     阳极溶解对黄铜室温蠕变的促进作用
短句来源
     Mechanism of Anodic Dissolution Facilitating Ambient Creep of Brass
     阳极溶解促进室温蠕变的机理
短句来源
  相似匹配句对
     Mechanism of Anodic Dissolution Facilitating Ambient Creep of Brass
     阳极溶解促进室温蠕变的机理
短句来源
     FACILITATING EFFECT OF ANODIC POLARIZATION ON AMBIENT CREEP OF BRASS
     阳极溶解对黄铜室温蠕变的促进作用
短句来源
     The Creep of Geosynthetics
     土工合成材料的蠕变
短句来源
     Ambient Intelligence
     环境智能—普适计算时代的计算服务模式
     The Creep Tests of Geosynthetics
     土工合成材料的蠕变试验
短句来源
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Hydrogen induced softening effect in stable austenitic alloys has been investigated by tensile, ambient creep and TEM. It is found that hydrogen induced softening effect will occur in stable austenitic alloys if hydrogen is charged. The movement of hydrogen and the change in the structure of dislocations caused by charging hydrogen might be the reasons of hydrogen induced softening effect.

本文通过拉伸、室温蠕变及透射电镜观察,研究了稳态奥氏体合金的氢致软化现 象。确认稳态奥氏体合金中存在氢致软化,充氢改变位错组态和氢的运动是产生氢致软 化的原因之一。

The effect of anodic and cathodic polarizations on the ambient creep of brass in 3.5% NaCl and CH_3COOH+CH_3COONa solutions has been investigated. The results showed that the creep rate in both solutions increased linearly with the increase of the anodic current density and was approximately inversely proportional to the square of radius of the specimen. The dε/dt in 3.5% NaCl solution was much higher than that in CH_3COOH+CH_3COONa solution at the same anodic current density. The creep rate...

The effect of anodic and cathodic polarizations on the ambient creep of brass in 3.5% NaCl and CH_3COOH+CH_3COONa solutions has been investigated. The results showed that the creep rate in both solutions increased linearly with the increase of the anodic current density and was approximately inversely proportional to the square of radius of the specimen. The dε/dt in 3.5% NaCl solution was much higher than that in CH_3COOH+CH_3COONa solution at the same anodic current density. The creep rate resulting from dislocation climb induced by vacancy supersaturation during the anodic polarization has been calculated as follows:dε/ dt = Aβi / r2whereA=8παMρDs△t(2△r)(1/2)/c0dFZln(L/), and β is a constant related to the degree of dezincification. The experimental data support the proposed mechanism. Cathodic polarization could also increase the ambient creep of brass by a mechanism related to hydrogen-facilitated local plastic deformation

研究了阳极极化对黄铜试样室温蠕变的影响.结果表明,在3.5%NaCl溶液和醋酸+醋酸钠溶液中,阳极极化引起的蠕变速率dε/dt随阳极电流密度i而线性升高,另外dε/dt随试样半径r减少而增加,近似和r2成反比.在i和r相同时,在3.5%NaCl溶液中阳极极化引起的dε/dt远高于在醋酸+醋酸钠中的相应值.阳极溶解产生过饱和空位引起刃位错攀移,从而导致dε/dt的升高.计算表明,dε/dt=Aβi/r2,常数,β是和脱Zn有关的参数.理论计算和实验结果基本一致。阴极极化也能使室温蠕变速率升高,但它和氢促进位错增殖和滑移有关。

 
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