| 1. | Cantilever fixed unloading tower 双悬臂固定式卸料塔 |
| 2. | Practical method for calculating equivalent wind loads on double cantilever bridges 等长双悬臂梁等效风荷载实用计算方法 |
| 3. | Test method for measuring the dynamic mechanical properties of plastics using a dual cantilever beam 用双悬臂束测试塑料动态机械特性的方法 |
| 4. | Standard test method for plastics : dynamic mechanical properties : in flexure dual cantilever beam 使用双悬臂梁测量塑料的动力机械性能的标准试验方法 |
| 5. | Application of specimen double cantilever sandwich to the study of interfacial fracture toughness of rubber composites 用双悬臂夹层梁试样研究复合材料与橡胶粘接界面的断裂韧性 |
| 6. | Determination of the mode i adhesive fracture energy , gic , of structural adhesives using the double cantilever beam and tapered double cantilever beam specimens 用双悬臂梁和锥形双悬臂梁试样测定结构胶粘剂的i型粘合断裂力gdownidownc |
| 7. | A microgripper with the structure of dual cantilevers is designed to meet the task of microassembly , and the microgripper is driven by two piezoelectric bimorphs 摘要针对微装配任务设计了一种双悬臂梁结构的压电双晶片微夹钳,该微夹钳由两个压电双晶片驱动。 |
| 8. | The dcb ( double cantilever beam ) met hod to test the interlaminar toughness of fabric - reinforced laminates and the modified compliance calibration method ( mcc ) were adopted in this research . the double cantilever beam ( dcb ) test was executed for stitched laminates to evaluate the interlaminar fracture toughness . the stitch parameters ( stitch line spacing and pitch spacing ) were changed and their effects on interlaminar fracture toughness were examined by means of dcb test by using improved insert type loading fixture 试验中采用改进的插入型夹具、双悬臂梁dcb ( doublecantileverbeam )试验方法,测试了载荷?试样开口位移曲线,依据改进的柔度梁方法( modifiedcompliancecalibrationmethod ( mcc ) )计算出了各个试样的层间断裂韧性( r曲线)及层间断裂韧性的平均值,阐明了缝合工艺参数与层间断裂韧性( g _ ( ic ) )间的关系,以拉伸与弯曲强度为约束条件,以层间断裂韧性值为目标优化了缝合工艺。 |
| 9. | The main purpose of this paper is to study crack growth rate of a class of nonlinear viscoelastic materials under the condition of constant load and small - strain . in this paper : the new test program is raised by referencing the existing test programs and by our trial and error ; in the new test program , facilities involved in the nonlinear viscoelastic crack tests are relatively few , the test process is relatively simple and the data obtained from the experiments are credible . on this basic , the calculation of j integral of nonlinear viscoelastic double cantilever beams specimens and the parameter of fracture work of corresponding nonlinear viscoelasticity are derived 具体成果包括: 1 、证实了双悬臂梁试件用于非线性粘弹性裂纹扩展实验研究的优点:双悬臂梁试件在实验中能观测到的扩展过程持续时间比较长,在计算j积分时,计算方法简单; 2 、得到了改性聚丙烯材料用于非线性粘弹性裂纹扩展实验的两种有效的试件构形和相应的试件尺寸;采用不断改善夹具的方法使得加载稳定; 3 、经过连续四个多月的时间得到了一组有用的实验数据; 4 、得到了裂纹长度与时间的关系、裂纹扩展速度与时间的关系、裂纹扩展速度与裂纹长度的关系。 |
| 10. | The experimental results show that the internal friction peak of the material in the three conditions appears differently , and the influence of temperature on the characteristics of frequence of internal friction in the 3 - point bending mode is greatest ; the strain - amplitude effects of the three boundary conditions of the material are similar basically ; the influence of temperature on the internal friction of the material in 3 - point bending mode is greater than the single and dual bending modes 结果表明:泡沫铝硅合金在不同边界条件下的内耗峰出现情况不同,且温度对三点弯曲模式时内耗的频率特性影响最大;三种边界条件下泡沫铝硅合金的内耗的振幅效应基本相似;温度对该材料在三点弯曲模式比单双悬臂梁振动模式下内耗的影响更大。 |