采用夹头分离速率控制方式对有屈服现象和无屈服现象的试样进行拉伸试验,探讨了试验过程中试样应变速率和应力速率的变化情况。
The change of strain rate and stress rate of samples with and without yielding phenomenon was studied during the tensile test under the control of grip separate rate.
对熔融纺丝-冷却拉伸与热致相分离两种制备微孔聚丙烯中空纤维膜的意义、原理、过程、影响因素等进行了评述。
Microporous polypropylene hollow fibrous membranes may be prepared by the melt spinning and cold stretching (MSCS) or thermally induced phase separation (TIPS) method.
模拟结果表明,相分离图案很大程度依赖于有限预拉伸的强度和各相的相对百分比。
Our results indicate that the phase separation patterns depend strongly on both the amount of the uniform stretch and the relative percentages of the phases.
文章在对零件的工艺性进行认真分析的基础上,有针对性地设计了模具结构中的凸模和凹模,优化实现了矩形拉伸件的分离冲切过程。
After analysis of process of components, design raised mold and the concave mold in the structure of molds, optimize the pressing-cutting process for the rectangle stretched component.
微孔材料的传统制造方法有粉末烧结法、熔融拉伸法、径迹蚀刻法、非溶剂致相分离法等。
The traditional manufacturing methods include powder-sintering, melt-spinning and cold-stretching, thermally induced phase separation, state track etching, non-solvent induced phase separation, etc.
在常响应界面情况下,复合材料横向拉伸应力-应变曲线存在明显的转折点,对应于界面分离的起始点,转折点的位置取决于界面粘结强度。
The stress-strain curve under transverse loading of MMCs has a corner point, associated with the initiation of interfacial de-bonding, which is determined by the interfacial bonding strength.
在常响应界面情况下,复合材料横向拉伸应力-应变曲线存在明显的转折点,对应于界面分离的起始点,转折点的位置取决于界面粘结强度。
The stress-strain curve under transverse loading of MMCs has a corner point, associated with the initiation of interfacial de-bonding, which is determined by the interfacial bonding strength.
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