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made the maximum radius of debonding patch increase with a large magnitude. For the room temperature samples, the debonding propagation was the fastest because its interface was the weakest, which... samples. It can be concluded that annealing has obviously modified the interface between Ti substrate and TiO2 nanotube film. At the same time, the debonding initiation strain of 400 °C annealing samples......
INTERFACIAL DEBONDING OF FRC UNDER CYCLIC LOADING Q.J.Zhu1,Y.H.Chen2,J.Chen1 (1.Department of Civil Engineering, Hebei Institute of Technology, Tangshan 063009, China;2.School of Civil Engineering... fatigue crack are analyzed. And the Poisson ratio is considered also. Key words:interfacial debonding; fiber; matrix; cyclic loading; crack growth; [全文内容正在添加中] ......
on the interfacial fracture toughness was ignored. In ZENG’s analysis, the interface debonding process was not described as a continuous one. In this work, the finite element method based on the equivalent domain... considered, and the interface debonding process is described as a continuous one. 2 Finite element analysis 2.1 Finite element model and material properties The push out test is analyzed using......
and the reinforcement. Fig.2 gives the interface of M40/6061Al composite and M40/5A06Al composite. The combination between Al alloy and fibers was well and no interfacial debonding was observed in two composites... Interface and thermal expansion of carbon fiber reinforced aluminum matrix composites ZHANG Yun-he(张云鹤)1, WU Gao-hui(武高辉)2 1. School of Mechanical and Electrical Engineering, Northeast Forestry......
.这是上表面收缩变形大于下表面所致.对比弹性模型可知,黏弹性模型的垂向位移较大,特别是在中间位置,2种模型的位移相对差更加明显,达到239.69%. 图8 不同温度梯度下砂浆层与轨道板接触面的垂向位移 Fig. 8 Vertical displacements of contact interface between CA mortar layer and concrete slab under different temperature gradient loadings 图9 正温度梯度下砂浆层和轨道板接触面的垂向应力 Fig. 9 Vertical stresses of contact interface between CA mortar layer and concrete slab under positive temperature gradient loadings 图......
concrete would not be debonding from the interface. Figure 2 Diagram of double-side shear loading: Because the shear stress does not distribute uniformly along the bond interface between the TRC... J. Cent. South Univ. (2020) 27: 876-890 DOI: https://doi.org/10.1007/s11771-020-4338-6 Performance of interface between TRC and existing concrete under a chloride dry-wet cycle environment LI Yao(李......
and concrete. The computational model proposed is demonstrated to be accurate and effective and possess excellent computational stability. Key words: FRP-to-concrete interface; debonding failure; finite... interface YU Yuguo1, LI Jing1, YUAN Bing2, HUANG Yansheng1, 3 (1. School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510641, China; 2. School of Civil......
IMPROVED COHESIVE ZONE MODEL AND ITS APPLICATION IN INTERFACE CONTACT ANALYSIS H.B.Li1,J.Chen1,Y.Wang1 (1.National Die & Mold CAD Engineering Research Center,Shanghai Jiaotong University,Shanghai 200030,China) Abstract:An improved interface cohesive zone model is developed for the simulation of inter-face contact,under mixed-mode loading.A new debonding initiation criterion and propagation......
Micro-analysis of explosive cladding interface of Nb/304L
WU Jin-ping(吴金平), YANG Ying-li(杨英丽), ZHAO Heng-zhang(赵恒章), YIN Jing-ou(殷京瓯),
LIN Qiao(林桥), ZHAO Bin(赵彬), GUO Di-zi(郭荻子), SHU Hang-biao... in bonding interfaces. And there is no obvious element diffusion on the both sides of bonding interface.
Key words: Nb/304L; explosive cladding; interface
The Effect of Interface Layer on the Binding Ability in PVD Surface Coating
ZOU Wei-feng1,LI Guo-qing2,ZHANG Hai-jun2,ZHU Hua-ming1
(1.East China Jiaotong University, Nanchang 330013,China;2.Institute of Mechanical Science of Jiangxi Province, Nanchang 330002)
摘要:The effect of the interface layer on binding ability PVD surface coating was researched . the experiment result showed that TiN......The Effect of Interface Layer on the Binding Ability in PVD Surface Coating
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来源: 《材料保护2004年增刊第2期》——ZOU Wei-feng LI Guo-qing ZHANG Hai-jun ZHU Hua-ming