at constant load the creep rate only depends on the momentary temperature values and on the strain no matter how the strain was obtained.
蠕应变的速度是温度和已有应变值的直接函数,而与达到这个应变值的途径无关。
dualistic regression coefficients of two parameters (steady creep rate and creep damage rate) of the hp-50 reformer tubes are calculated.
计算了hp5 0转化管稳态蠕变速率参量和蠕变损伤速率参量的二元回归系数。
the treatments including load-decreasing, reinforcing and groundwater-draining have greatly reduced the creep rate of speed, and the deformable mass tends to be stable.
在实施减载、支档和排水等综合治理措施后,滑动带位错速率减缓,边坡趋于稳定。
it is determined that phosphorus decreases the creep rate of gh761 alloy by increasing the yield strength and inhibiting the deformation of theγmatrix.
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.
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 creep resistance of a material is affected by its microstructure, and a strong mullite network skeleton is beneficial to the low creep rate of refractories;
材料的蠕变性能受显微结构影响,牢固的莫来石网络骨架是制备低蠕变耐火材料的关键;
based on the relation between creep rate and stress level in the stage of steady-state creep, a new method is put forward to determine long-term strength.
依据巖样稳态流变阶段的流变速率与应力水平的关系,提出了一种确定长期强度的方法。
the addition of phosphorus and boron can prolong the rupture life of some wrought superalloys over 3 times, and lowers the constant creep rate by an order of magnitude.
磷、硼微合金强化可成倍提高变形合金的持久寿命,降低蠕变速率一个数量级以上。
the constant creep rate was increased and creep-resistance breaking time and creep breaking elongation were decreased with the increase of applied stress.
随施加应力的增大,纤维的恒蠕变速率增大,抗蠕变断裂时间变小,蠕变断裂伸长变小。
the creep rate of the composites is 2~3 orders lower than that of mg matrix alloy.
硼酸镁晶须增强镁基复合材料比基体镁合金的蠕变速率低2~3个数量级。
the constant creep rate and creep breaking elongation were increased and creep-resistance breaking time was decreased with the increase of room temperature.
随环境温度的升高,纤维的恒蠕变速率增大,抗蠕变断裂时间变小,蠕变断裂伸长变大;
and consequently, an expression of the steady state creep rate is obtained.
根据此表达式,稳态蠕变速率与层错能的三次方成正比。
the creep rate was increased while the yield strength was reduced by anodic dissolution.