Abstract: In this paper, the compression equations for irregular shape materials of soybean and wheat grain, and a new Z transformation method for the stress relaxation parameters identification were put forward. 文摘:提出了不规则形状的大豆、麦种子的挤压方程和应力松弛参数识别的Z变换法。
The kinetic curves properties response aging time and temperature were obtained with the coefficient of compression stress relaxation as index of aging property change. 用压缩应力松弛系数作为老化性能变化指标,得出了性能随老化时间和温度变化的动力学曲线。
Compression Stress Relaxation Test of Vulcanizate and Effect of the Result on Sealing Products 硫化橡胶压缩应力松弛试验及对制品密封效果的探讨
The results show that the strain delay, compression creep, stress relaxation of the powders during the compression process are closely related to the compact density, powder characteristics and deformation rate. 实验结果表明,粉末压缩过程所表现的应变推迟、压制蠕变、应力松弛等一系列流变特性依存于粉末的压制密度、粉末特性和变形速度。
The molecular chain fatigue failure mechanism of above curing systems was discussed from compression heat build-up, continuous chemical stress relaxation and intermittent chemical stress relaxation. Their failure characteristic parameters β and C0 were derived. 从生热、连续和间歇应力弛豫等行为上讨论了3种硫化体系共混物的疲劳断裂机理,并给出了各体系共混物疲劳断裂特征参数β和C0。
The Test of Compression Stress Relaxation and Crept Osteoporosis of Animal Model Bone Caused by Spinal Cord Injure 脊髓损伤继发骨质疏松动物模型骨压缩应力松弛蠕变测试
The sturcture, density, hardness, compression modulus, tensile strength, stress relaxation, permanent deformation properties of foam fabricated by blending silicone rubber and EPDM were studied. 研究了硅橡胶/三元乙丙橡胶(Q/EPDM)配方对泡沫合金的结构、密度、硬度、压缩、拉伸、应力松弛等力学性能的影响规律。
Sampling the wild osmunda cinnamomea at Wangqing county mountainous area of Jilin Province, the pull, compression, impact, stress relaxation and creep tests on the samples were done respectively. 选用吉林省汪清县山区野生薇菜为研究对象,对野生薇菜茎进行拉伸、压缩、弯曲、冲击、应力松驰、蠕变试验。
Results showed that we got the function and curves of compression stress relaxation and crept with each group. 结果得出了各组大鼠股骨压缩应力松驰函数、蠕变函数及曲线。
Based on the stress and deformation characteristics of the powders, the mechanism of the strain delay, compression creep and stress relaxation of the powders are suggested. 文章根据粉末体受力和变形特点提出了粉末体应变推迟、压制蠕变和应力松弛的流变机理。