本文研究线弹簧型弱界面颗粒增强复合材料,在比例加载条件下的简化塑性模型。
A simplified model is proposed for plasticity in particle-reinforced composite materials with linear spring-type imperfect interfaces under proportional loading.
可以认为颗粒与基体间弱界面的解聚是熔融石英颗粒复合材料韧化的原因。
The decohesion of the weak interface between particle and matrix may be considered as the origin of toughening.
结果表明,键合剂改善RDX/HTPB推进剂力学性能的主要原因在于它们改善了RDX颗粒与HTPB粘结剂基体间的界面粘结效能。
The results show that primary action of bonding agent improving RDX/HTPB propellant mechanical property was bonding agent improving interface adhesive effect of RDX grain to HTPB binder.
这种二次水化产物可填充不同粒径颗粒之间的孔隙,最终形成致密网络状的二级界面显微结构。
These secondary hydration products can fill in pores among different size particles and the secondary interface microstructure with compact network figure forms as a result.
对电磁场作用下金属凝固界面前沿颗粒行为进行了考察。
Behavior of the particles in front of metallic solidifying interface under electromagnetic force was discussed.
最后分别提出基体、颗粒和界面的失效强度准则。
At last, the failure strength riles of matrix, particle and interface were obtained respectively.
由无粘结性沉积物颗粒和流体间的动态界面的流动条件所造成。
And created by the conditions of flow at the dynamic interface between a body of cohesionless sediments particles and a fluid.
水化产物生长在碳酸钙颗粒表面,对C_3S水化起晶核作用并改善了界面粘结。
The hydrate products grow on the calcium carbonate particles. It ACTS as a nucleating effect for hydration of C_3S and improves the bond of interface.
同时可以发现在粗糙和纳米钛合金表面的成骨细胞更倾向于黏附在材料的颗粒界面。
It was also found that osteoblasts on the rough and nano-surface titanium alloy inclined to adhere to the interface of the materials.
其连接机理为烧结过程中母材与连接材料间的扩散反应,以及界面处颗粒间的相互镶嵌。
The joining mechanism were diffuse reaction between matrix and joined materials and particles inlaying each other in the joint.
研究了激光涂覆时因陶瓷颗粒与金属之间物理性能差异而在其界面处形成的残余应力特征。
This paper primarily discusses the feature of residual thermal stress on the interface between ceramic particle and matrix of laser cladding layer.
结果发现由于颗粒填料表面和环氧基体的相互作用,从填料表面开始形成了一层致密的聚合物界面层。
It was found that a dense polymeric interface layer would be formed on the surface of solid fillers due to the interaction between paniculate filler surface and epoxy matrix.
结果表明,玻璃颗粒较均匀地分布于基体中,与基体发生界面反应;
It was found that the waste glass particles are distributed uniformly in matrix alloy.
通过理论和实践分析,探讨了采用“温压技术和颗粒界面液相烧结技术”生产发动机连杆(典型零件)的可能性。
The possibility of forming connection rods of engines by "warm pressing and liqUid phase sintering on boundary of particles " is explored in theory and experimentally.
挤压棒材表面质量良好无裂纹等缺陷,棒材中增强体颗粒和基体界面结合良好,基体合金中存在完整的等轴晶。
The surface of extrusion bar was of good quality without cracks. The interface between the particle and matrix bold was well and fine grains existed in the matrix.
基体受残余拉应力,颗粒受残余压应力,在结合界面处存在最大残余拉应力。
There are tensile stress on the matrix, compress stress on the particle and maximal stress near the interface.
研究结果表明,颗粒的开裂、颗粒与基体的界面脱粘是该复合材料的主要损伤形式。
It was found that particle splitting and interface opening were the main damage patterns of the composite.
通过GB/HDPE的拉伸实验和断口形貌分析,研究了颗粒体积分数、拉伸速率、界面强度对GB/HDPE复合材料力学性能的影响。
The effects of particle volume fraction, tensile rate and interface bonding strength on the properties of GB/HDPE composites were studied by tensile test and SEM observation.
颗粒界面处产生自旋无序和受挫,导致颗粒间耦合作用的削弱。
The spin disorder and spin frustration that come from the grain boundary decrease the interaction between the grains.
用离心铸造的方法获取碳化钨颗粒增强铁基复合材料,分析了复合材料的力学性能、微观组织结构及界面反应。
WC particles reinforced iron matrix composites were manufactured by the centrifugal casting technique. The mechanical properties, microstructure, interface reactions of the composites were analyzed.
论述了颗粒增强复合材料制备中遇到的界面问题。
In this paper, the interface problems encountered in the fabrication of particulate reinforced metal matrix composites are discussed.
大颗粒WC颗粒周围形成了厚达数微米的反应层,界面结合强度大为提高。
The interface between large WC particles and steel matrix forms the reaction layer of several mms which enhances the toughness of interface highly.
非均匀颗粒系统呈现的磁电阻效应与电子在两相颗粒界面的自旋相关散射有关。
The room magnetoresistance effect is largely enhanced in such an inhomogeneous granular system due to the spin dependent scattering of electrons at the interface of the two phases.
结果表明,纳米颗粒在界面处的吸附可减小核化的平衡胚泡半径,降低沸腾核化势垒,有利于核化的发生。
The results showed that nanoparticles accumulation at the vapor-liquid interface decreased embryo bubble radius and the potential barrier of nucleation, facilitating liquid nucleation.
其次考虑了有效界面散射随颗粒浓度的变化对巨磁阻造成的影响。
Secondly, the effective surface scattering is changed with the changes of concentration.
聚苯颗粒保温系统主要由聚苯颗粒复合保温砂浆层、抗裂砂浆层以及界面砂浆层组成。
Expanded polystyrene (EPS) insulation system is mainly consisted of EPS composite insulation mortar layer, crack-resistance mortar layer and interface mortar layer.
用日本协和界面剪切粘度计测定了壬基酚聚氧乙烯(4)醚、油酸钠及固体颗粒的动态界面剪切粘度。
The dynamic interfacial shear viscosity of NP-4, sodium oleate and montmorillonite was measured using SVR·S interfacial rheometer.
吸附受界面扩散和颗粒内扩散控制,两种吸附过程同时进行。
Adsorption was controlled by interfacial diffusion and particle diffusion, and this two kinds of adsorption process happened at the same time.
吸附受界面扩散和颗粒内扩散控制,两种吸附过程同时进行。
Adsorption was controlled by interfacial diffusion and particle diffusion, and this two kinds of adsorption process happened at the same time.
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