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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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