由于7050铝合金时效析出与应力松弛中位错蠕变的共同作用引起了松弛过程槛应力现象。
The threshold stress presents during the stress relaxation process due to the interaction between precipitation behavior and dislocation creep of 7050 aluminum alloys.
钛合金的蠕变行为是非常复杂的。通常蠕变行为可以分为低温蠕变、晶界滑移蠕变、扩散蠕变和位错蠕变等。
The creep behavior of ti alloys is complicated and can usually be divided into low temperature creep, grain boundary slip creep, diffusion creep and dislocation creep, so on.
该合金的蠕变由晶格自扩散引起的位错攀移所控制。
The creep deformation is controlled by dislocation climb resulting from lattice self-diffusion.
两种复合材料的蠕变机制均为位错攀移机制。
The creep mechanisms of both composites are dislocation-climbing mechanism.
按照位错攀移模型，提出一种第二阶段蠕变机理。
A mechanism for secondary stage creep has been proposed according to the climbing model.
稳态蠕变速率主要由锌的点阵扩散和位错的攀移所控制，品界滑移对蠕变也有贡献。
The compressive creep rate in the alloy was mainly controlled by the lattice diffusion of zinc and dislocation limb, and the grain boundary sliding contributed for it in some degree.
蠕变期间，晶内碳化物阻碍位错运动，晶界碳化物“钉扎”晶界，阻碍晶界滑动，由此提高钢的蠕变抗力。
The carbides in the matrix prevent dislocation from moving, and pin effect of the carbides in the grain boundary keep grain boundary from sliding, and creep resistance of steel is improved.
蠕变期间，晶内碳化物阻碍位错运动，晶界碳化物“钉扎”晶界，阻碍晶界滑动，由此提高钢的蠕变抗力。
The carbides in the matrix prevent dislocation from moving, and pin effect of the carbides in the grain boundary keep grain boundary from sliding, and creep resistance of steel is improved.
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