容重小的材料,一般导热泪盈眶系数也小,但同时机械强度也随之降低,故要合理选择。
Bulk density of small materials, heat conduction tear your eyes coefficient is generally small, but at the same time decreases in the mechanical strength, so be reasonable choice.
应变率增加,材料强度提高,屈强比增大,塑性略有降低,但流变阶段应变率强化系数基本不变。
Raising the testing strain rate, the strength and yield ratio increased the plasticity slightly decreased, but the strain rate hardening index kept constant.
随着紫胶用量的增加,膜的溶胀倍数、水蒸气透过系数先降低后变化不大,而拉伸强度上升;
With the increase of lac dosage, solvent swell and water vapor permeability decreased first followed by insignificant change, while tensile strength increased.
微裂纹对降低陶瓷材料的平均膨胀系数有一定作用,但同时又降低了材料的机械强度。
The microcracks have certain effects on reducing the average thermal expansion coefficient, nevertheless they decrease the mechanical strength of the ceramics.
试验结果表明,热风烧结可以提高钒钛磁铁精矿烧结矿的成品率和转鼓强度,但利用系数降低;
The test results show that hot- air sintering can increase sinter rate and tumbler strength, but decrease productivity.
试验结果表明,高强混凝土局压强度提高系数较普通混凝土者有显著降低。
Tests showed that the increase of the local bearing strength of high-strength concrete is significantly lower than that of normal concrete.
此时,系统达到临界平衡状态时所对应的材料强度降低倍数即为整体最小安全系数,临界平衡状态定义为边坡内的塑性屈服区能够形成潜在的滑移通道时的状态。
The minimum safety coefficient was defined as the reduction coefficient, when the system was fairly close to the limit equilibrium state through decrement of material strength step by step.
此外,考虑到DDA可以准确解决的切线的滑动力,合理的安全系数可以通过以下方式获得结合强度降低的方法。
In addition, considering that DDA could accurately solve the tangential sliding force, the reasonable factor of safety could be obtained by combining strength reduction method.
结果表明:与碳化硅多孔陶瓷相比,碳化硅-堇青石多孔陶瓷的抗折强度显著提高,热膨胀系数明显降低,但显气孔率有所降低。
Results showed that compared with porous SiC ceramics, the MOR of SiC-cordierite was improved significantly, and the TEC decreased remarkably, and the apparent porosity also decreased.
材料的抗拉强度随着材料缺口半径的增加及应力集中系数的降低而降低。
With the increase of notch root radius and the decrease of stress concentration coefficient, the tensile strength decreased.
这种偶联剂使复合材料的抗冲击强度明显提高、硬度降低、耐磨性有较大的提高而摩擦系数略有降低。
The coupling agent can evidently increase impact strength of the composite. Coupling agent, lower the hardness and friction coefficient o…
这种偶联剂使复合材料的抗冲击强度明显提高、硬度降低、耐磨性有较大的提高而摩擦系数略有降低。
The coupling agent can evidently increase impact strength of the composite. Coupling agent, lower the hardness and friction coefficient o…
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