This paper describes the performance test, contact fatigue strength test and bending fatigue strength test on the gear reducer of involute point contact Ferrographical analysis is made.
本文对渐开线点啮合齿轮减速器进行了性能试验、接触疲劳强度和弯曲疲劳强度试验,同时还进行了铁谱分析。
The results of mechanical test show that is bending strength, toughness against impact and void ratios can be improved after the rich iron matris is added with rare earth.
力学性能测试结果表明:添加稀土的富铁胎体及其金刚石复合材料的抗弯强度、冲击韧性和孔隙度均有明显的改善。
Bending (torque) test was also performed to evaluate strength of the brazed joints.
为了评价焊接强度,还进行了抗弯强度(扭矩)测试。
The method of toughness test such as Direct Crack Measurement and Indentation Strength by Bending etc. Are also introduced.
介绍了直接压痕法、弯曲压痕强度法等几种韧性测试方法。
Experiments on bending toughness, breaking toughness and cube strength test results are carried out in connection with various kind of deformed steel fiber.
针对不同种类异形钢纤维进行了弯曲韧性、断裂韧性、立方体抗压强度等试验。
There was little change in the bending strength, Young's modulus and dynamic ductility of the test wood treated by microwave irradiation and steaming appropriately.
适当的微波处理和汽蒸处理使试材的抗弯强度、抗弯弹性模量和冲击韧性并不明显降低。
Based on test results and calculating system of shear strength for members in bending by new code, this paper presents the calculating formulas of shear strength for composite members in bending.
根据试验结果和新规范受弯构件受剪承载力计算体系,本文提出了迭合受弯构件受剪承载力计算公式。
Strength and bending resistance test, welding heat test and highly accelerated life test (HALT) were retested up to grade.
经瓷体强度实验、抗弯曲实验、耐焊接热实验、加速寿命实验,其各项指标均合格。
The density, hardness, bending strength, adhesive strength and ttibogy characteristic of the coating are measured in the test and the practical value is studied.
试验中间测定了涂层的密度,硬度,抗 弯强度,结合 强度以及摩擦学特性,并着重探讨了实用性。
Through laboratory test, the fatigue property of different high bending strength pavement concrete is studied, which is contrasted with different concrete under the same stress level and load.
通过室内试验研究了不同种类高抗折强度路面混凝土的疲劳性能,并在相同应力水平以及相同荷载作用下与不同类型混凝土的疲劳性能进行了对比分析。
Relatively comprehensive test study on the strength capacity of the reinforced concrete beam under bending moment, shear force and axial tensile force was carried out.
对弯、剪、轴拉复合受力状态下钢筋混凝土梁的承载能力进行试验研究。
Depending on the test data, the coordination coefficient of concrete and steel bars was obtained, so were the formula of bending strength of corroded RC beams and its simplified one.
根据试验数据,拟合出了钢筋锈蚀率对钢筋混凝土梁中钢筋与混凝土协同工作系数的影响公式。还给出了锈蚀钢筋混凝土梁抗弯强度的表达式及其简化式。
Depending on the test data, the coordination coefficient of concrete and steel bars was obtained, so were the formula of bending strength of corroded RC beams and its simplified one.
根据试验数据,拟合出了钢筋锈蚀率对钢筋混凝土梁中钢筋与混凝土协同工作系数的影响公式。还给出了锈蚀钢筋混凝土梁抗弯强度的表达式及其简化式。
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