确定了合适的溶剂脱粘+、热脱粘+工艺。
The suitable solvent-thermal debinding and sintering processes were established.
用金刚锥显微脱粘法测得复合材料的界面强度。
The interfacial strength was measured using pyramidal diamond micro-debonding method.
界面处残余法向应力较高,可能造成界面脱粘。
The normal residual stress at interface is great, which can result in the interface de-bounding.
脱粘是纤维增强复合材料界面裂纹扩展的主要表现形式。
Debonding is a main form of interfacial crack growth of fiber-reinforced composites.
通过数值模拟计算,进一步分析了界面疲劳脱粘的力学机理。
By numerical simulating computing, mechanical mechanism for interfacial fatigue debonding is analyzed further.
基于最大剪应力破坏准则,分析了局部脱粘破坏锚固体的应力分布。
Then the stress distribution of anchored rock mass with partial pull-out failure is analyzed based on the maximum shear stress criterion.
研究了纤维增强脆性基复合材料界面脱粘过程中剪应力的变化规律。
The interfacial shear stress of a brittle composite matrix that reinforced with fibers is studied.
通过双材料受压试验研究了弱奇异性界面端的界面初始脱粘点的位置问题。
The interface initial debonding location problem was studied through the push down test.
文中针对多厚度壳体构件的自动化检测要求,提出了多界面脱粘的检测方案。
This paper presents experimental detection programmers, in accordance with multi-shell thickness component automated testing requirements.
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.
文中阐述了无损检测新技术在固体发动机推进剂及多界面脱粘方面取得进展的部分情况。
Some information on the progress of new techniques of nondestructive testing (NDT) applied in solid rocket motor propulsion and de-bonding of multiple interface is discussed in this paper.
分析结果表明,增加人工脱粘层面积可导致药柱头部应力增大,增加泊松比也会加大药柱应力。
The results showed that the increase of the area of the manmade debonding and the Poisson's value could lead the increase of the propellant's stress.
实验表明红外热像技术可以准确测定钢板加固混凝土结构所存在的脱粘缺陷的位置、形状和大小。
The positions, figures and sizes of the defects in bonding interface between an armor plate and a concrete component can been exactly measured.
拉伸破坏损伤表现为:基体开裂,横向纤维束开裂,界面层脱粘,纤维断裂,层间剥离和纤维束断裂。
The tensile damage behavior involves:matrix microcracking, transverse bundle cracking, interfacial debonding, fiber fracture, ply delamination and bundle splitting.
断裂面较平整,界面脱粘,纤维附近有基体撕裂,部分纤维被拔出后在基体中留下空洞,呈脆性断裂。
The facture surfaces are flat, interface between fiber and matrix debonds, some fibers are pulled out from the matrix and holes left in the matrix. The Failure mode is a brittle fracture.
采用纤维单丝自水泥基体中拔出方法研究了聚丙烯纤维单丝与水泥石之间的界面脱粘强度及其影响因素。
The interfacial debonding strength between polypropylene filament and cement paste and its affecting factors were studied by use of pull out method.
基于剪切筒模型和常用疲劳加载方式,首先建立了循环荷载作用下钢筋与混凝土界面脱粘应力的计算模型;
Based on the shear-lag model and the usual loading way, the computation model of interfacial debonding stress under tension-tension cyclic loading is established first.
理论分析和试验结果均表明:燃烧室增压速率、脱粘面尺寸、边界条件等因素对脱粘面扩展均有较强的影响。
Theoretical analysis and experiment results prove that the chamber pressurization rate, the debond dimension and the boundary condition have strong effects on the propagation of the debond.
不同性质缺陷的最佳检测时间不同,对于铝蜂窝铝蒙皮结构复合材料蒙皮的各种脱粘缺陷,检测速度都高于每分钟两屏。
The optimal testing time for different defects is different, and the testing speed is higher than two screens per minute for all bonding defects of honey…
界面脱粘是钢-混凝土组合结构中的一种常见破坏方式,而一些研究结果表明钢-混凝土界面的脱粘可能是由能量控制的。
Debonding between steel and concrete is a common failure mode in composite structures, and it is indicated interfacial failure may be energy governed.
由此阐明了金属胶接蜂窝结构面板上小凹坑处声阻探伤“异常指示”的原因,以及改变激励频率有可能辨别是否脱粘的理论依据。
Whereupon the reason of "abnormal indication" in All of small pits on the surface of metal honeycomb adhesive bonded structure and the theoretical basis for the probable distinguishing of debonded ar…
模拟出的抽拔力随位移的变化曲线,能明确显示出界面脱粘的开始、结束,以及完全脱粘后克服摩擦力的滑移过程,验证了其应用的合理性。
The tendency of the simulated curves of pull out forces vs. displacements agrees well with experimental results, indicating the use and power of the present approach.
结果表明,在细观结构下,复合推进剂中的应力分布是不均匀的,推进剂一般首先在极区产生脱粘,颗粒的大小对推进剂的力学性能有较大影响。
The results show that the stresses are inhomogeneous in the composite propellant and debonding cracks are usually generated in the pole of propellant. The particle size has great effect on them…
许多土壤动物的爪趾具有优良的不粘土功能,这对农业机具减粘脱土的仿生研究,具有重要的实际意义。
The fine function unadhering soil of claws of many soil animals has a practical significance for bionic research on the agricultural machines and tools.
研究了蒙脱土纳米粒子对复合材料热稳定性、力学性能和特性粘数的影响。
The effect of montmorillonite nano-meter particle on the thermostability, mechanical properties and intrinsic viscosity number of the nano-meter composite was studied.
介绍了构成减粘脱附柔性内衬基本件——钢环的形状、材料选择、受力分析与承载能力的计算。
This paper introduces the shape, the selection of material, dynamic analysis and the calculation of bearing capacity about steel ring which is the basic part of the flexible lining.
介绍了构成减粘脱附柔性内衬基本件——钢环的形状、材料选择、受力分析与承载能力的计算。
This paper introduces the shape, the selection of material, dynamic analysis and the calculation of bearing capacity about steel ring which is the basic part of the flexible lining.
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