dislocation climb

Creep stress exponents show that at 760 ℃ ~ 815 ℃, 80 MPa ~ 300 MPa , the creep mechanism of this alloy is dislocation climb .

蠕变应力指数表明，该合金在760℃~815℃，80MPa~300MPa的蠕变条件下，合金的蠕变受位错攀移控制。

An analysis of the internal friction data by a coupling model shows that the basic mechanism of GB internal friction for low-angle GBs is dislocation climb , while that for high-angle GBs is GB diffusion .

用耦合模型对内耗数据的分析表明，小角度晶界内耗的基本机制是位错攀移，而大角度晶界内耗的基本机制是晶界扩散。

The creep deformation is controlled by dislocation climb resulting from lattice self-diffusion .

该合金的蠕变由晶格自扩散引起的位错攀移所控制。

The TEM photo shows that dislocation climb and cross-slip are the important deformation modes of the alloy .

变形合金的透射电镜照片表明位错的攀移和交滑移为合金变形的主要机制。

The creep mechanism of the alloy are controlled by diffusion and dislocation climb mechanism under the experimental conditions of ( 423K-473K ) / ( 50MPa-90MPa )

三种合金在（423K-473K）／（50MPa-90MPa）的实验条件下合金的蠕变机制为受扩散控制的位错攀移机制。

It can be inferred the creep mechanism of L2 and N2 was controlled by grain boundaries sliding and dislocation climb respectively through the calculation of stress exponent and creep activation energy .

通过计算两种合金的应力指数和蠕变激活能，L2合金的蠕变机制是受晶界滑动控制的，而N2合金为位错攀移机制控制。

On the other hand , the formation of coherent interfaces is disadvantageous to the dislocation climb process and creep resistance of Cu / Ni and Cu / Co multilayers increases with decreasing periodicity .

相反，共格界面的形成不利于位错的攀移运动，Cu/Ni和Cu/Co多层膜的蠕变抗力随周期减小而增大。

The values of stress exponent and the activation energy for creep were calculated 3.36 and 245 kJ / mol respectively . Based on the analyses , the dominant creep deformation mechanism was controlled by the dislocation climb .

合金应力指数n和蠕变激活能Q分别为3.36和245kJ/mol，该合金的蠕变变形是由位错攀移机制所控制的。

Dislocation climb creep has become an important deformation mechanism of eastern quartz . It is a high-temperature plastic deformation mechanisms . However the deformation mechanism of western quartz is based brittle microfracture , dislocation glide and recrystallization .

东部石英的变形机制为位错攀移成为重要的蠕变机制，为高温塑性变形机制，西部石英则以脆性微破裂、位错滑移与重结晶为主。

Fluid enhances dislocation glide and climb , increases the rate of recovery of strained grains and accommodates the fracturing .

流体相促进位错滑移与攀移，并加速应变颗粒的恢复作用，以协调破裂过程。

While recovery creep and atom diffusion at 600 ℃, in which both a and c or a + c dislocation slide and climb occurred .

而600℃变形机制则为回复蠕变和原子扩散的共同作用机制，a型和a+c型或c型均开动，产生滑移和攀移。

The creep mechanisms are dislocation glide at lower testing temperatures in higher stress levels and dislocation climb at higher temperatures in lower stress levels .

在研究的实验条件范围内，合金的蠕变变形机制为低温高应力下的位错粘滞滑移控制和高温低应力下的位错攀移控制；