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The dynamic compressive properties of Sn-Ag Pb-free solders have been studied by means of a split Hopkinson pressure bar at high strain rates. 利用分离式霍普金森压杆试验技术,在室温下研究了锡-银系无铅焊料在高应变率条件下的动态压缩力学性能。
This paper describes a modification of the split Hopkinson pressure bar for the dynamic compressive property testing of soft material. 提出了一种用于软材料动态压缩性能测试的霍普金森压杆改进方案。
The quasi-static and dynamic compression properties of carbon fiber-reinforced phenolic composite are investigated by a series of MTS and SHPB tests. 研究了碳纤维增强酚醛复合材料在不同温度下的动静态压缩力学性能,碳酚醛材料不但是应变率敏感材料,也是温度相关材料;
Low cis-polybutadiene rubber(BR3505),low-Mooney polybutadiene rubber(BR9002)and ordinary BR 9000 were studied to detect their cure parameters,tensile properties and dynamic compression properties. 研究了低顺式聚丁二烯橡胶(BR3505)、低门尼顺丁橡胶(BR9002)和普通顺丁橡胶(BR9000)的硫化参数、拉伸性能和动态压缩性能。
Experimental studies on the dynamic compressive properties of open-celled aluminum alloy foams 泡沫铝合金动态力学性能实验研究
dynamic compressive properties 动态压缩性能
Experimental Study on the Uniaxial Dynamic Compression Properties of Concrete 混凝土单轴动态压缩特性试验研究
Effect of Aging Treatment on The Dynamic Compressive Property and Energy Absorption Capacity of Aluminum Alloy Foams 时效处理对泡沫铝动态力学性能和能量吸收性能的影响
dynamic compressive property 动态压缩性能
The brinell hardness and the compressive properties increase with TiN content increasing. 其布氏硬度和压缩强度随TiN含量的增加而增大.
The preparation,microstructure,compressive properties and thermal stability of the glass bead reinforced rigid polyurethane foams(PUR/GB) are studied. 研究了玻璃微珠增强硬质聚氨酯泡沫塑料的制备、微观结构、压缩性能和热稳定性。
Hence, the net HA ceramic scaffold fabricated by sphere particles can effectively improve sintering and compressive properties, and hold its connexion and high porosity. 因此球形粉体所制备的网状HA陶瓷支架的烧结性能和抗压强度明显优于针状粉体所制备的网状HA陶瓷支架，同时保持支架的贯通性和孔隙率。
dynamic compressive mechanical properties 动态压缩力学性能
The compressive properties of saturated and dry concretes including strength, elastic modulus and peak strain under different loading rates are studied by experiments. 摘要在准静态及中低加载速率下，开展了饱和与干燥混凝土力学性能变化的试验研究。
The results showed that the stress-strain curves of RPUR at static load and dynamic load are similar, and the compressive property is related to the density. 结果表明,RPUR材料的静载和动载压缩应力-应变曲线具有几乎相同的特性,其压缩性能与材料密度相关;
Hopkinson split-bar tests were performed for measuring the dynamic compression and shear properties of 603?675?685 armour steels in different tempering states. 对四种不同回火状态的603、675、685装甲钢进行了一维压杆动态压缩和剪切性能实验。
Objective To evaluate the effect of minimally invasive percutaneous plate osteosynthesis (MIPPO) for fractures of distal tibia and compare it with that of traditional low contact dynamic compressive plate (LC-DCP) osteosynthesis. 目的:比较微创经皮钢板内固定(minimally invasive percutaneous plate osteosynthesis,MIPPO)与传统切开钢板内固定治疗胫骨远段骨折的临床疗效。
The results show that the abrasion resistance and compressive property of PTFE/GF increase markedly after irradiating. 结果表明,经电子束辐射后,PTFE/GF的耐磨性能和压缩性能均显著提高。
By the Tersoff-Brenner potential based MD(Molecular dynamics) method,the compressive properties of C_(60),C_(240) and C_(60)@C_(240) fullerenes under the action of double graphite layers were investigated. 采用Tersoff-Brenner势的分子动力学方法;研究了双石墨层作用下C60、C240及C60C240富勒烯分子的压缩力学特性.
Due to the distinct difference in tensile and compressive properties,the position and deformation curvature of curved neutral layer will change with time for the!strata in a creep state. 由于岩石材料抗拉与抗压性能的明显差异,使岩层受蠕变作用时,其弯曲中性层位置及变形曲率都将随时间变化。