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Effect of stacking sequence on physical, mechanical and tribological properties of glass-carbon hybrid composites

Friction 2014年第4期2卷 354-364页

作者： Gaurav AGARWAL Amar PATNAIK Rajesh kumar SHARMA Jyoti AGARWAL Department of Mechanical Engineering Invertis UniversityBareillyIndia Department of Mechanical Engineering National Institute of Technology(NIT)HamirpurIndia Department of Computer Engineering Rajshree Institute of Management&Technology(RIMT)BareillyIndia

A study was done to determine the effect of best stacking sequence(position and orientation)on the mechanical properties,friction and wear response of hybrid *** main purpose of the study was to determine the best available stacking sequence for which the physical,mechanical and three body abrasive wear rate is *** for mechanical properties(tensile strength,flexural strength,inter laminar shear strength,impact strength and hardness)was done on glass-carbon hybrid *** composites were then subjected to test for three body abrasive wear on a designed experimental *** different factors(sliding velocity,fabric weight percentage,normal load,sliding distance and abrasive particle size)varied in steps to evaluate the friction and three body abrasive wear response of the *** design of experiment using Taguchi’s orthogonal array and analysis of variance(ANOVA)was applied to find out minimum specific wear *** results revealed the significance in arrangement of two different layers of fabric(glass and carbon)and the difference in properties obtained by *** Taguchi experimental analysis it has been observed that three body abrasive wear rate is minimum at 72 cm/s sliding velocity,30 wt.%fabric content,80 N normal load,90 m sliding distance and 125μm abrasive particle *** scanning electron microscope(SEM)studies revealed the dynamics of three‐body abrasive wear and underlying micro‐mechanisms that result in the analysis of three body abrasive wear.

关键词： hybrid composite stacking sequence Taguchi’s method wear mechanism

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Effect of hygrothermal aging on moisture diffusion and tensile behavior of CFRP composite laminates

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Chinese Journal of Aeronautics 2023年第3期36卷 382-392页

作者： Yong DU Yu’e MA Wenbo SUN Zhenhai WANG School of Aeronautics Northwestern Polytechnical UniversityXi’an 710072China School of Mathematics and Statistics Northwestern Polytechnical UniversityXi’an 710129China

Carbon Fiber Reinforced Polymer(CFRP)composites are widely used in aircraft structures,because of their superior mechanical and lightweight *** composites are often exposed to hygrothermal environments in *** and moisture can affect the material properties of *** order to make clear the moisture diffusion behavior and the properties degradation of composites,the TG800/E207 composite laminates with four stacking sequences[0]16,[90]16,[±45]4s,and[(+45/0/0/-45)s]sare designed and *** absorption tests are carried out at 80℃,90%*** is shown that the moisture absorption curves of composite laminates present a three-stage.A modified Fickian model was proposed to capture the diffusion behavior of TG800/E207 composite *** relationships among the non-Fickian parameters,the environmental parameters and the stacking sequences of CFRP were correlated and *** showed that the modified Fickian curve is sensitive to the diffusivity of Stage Ⅰ and Stage Ⅱ.Compared with unaged specimens,the maximum tensile stress for[0]16,[90]16,[±45]4s,and[(+45/0/0/-45)s]sdecreased by 14.94%,28.15%,11.96%,and 26.36%,*** strains at failure for[0]16,[90]16,[±45]4s,and[(+45/0/0/-45)s]sdecreased by 55.38%,62.65%,46.41%,and31.71%,*** elastic modulus for[0]16,[90]16,[±45]4s,and[(+45/0/0/-45)s]sincreased by 90.93%,94.57%,49.22%,and 8.22%,respectively.[90]16sample has the minimum saturated moisture content and the maximum strength degeneration.

关键词： CFRP Hygrothermal aging Moisture diffusion stacking sequence Tensile behavior

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Low-Velocity Impact and Compression-After-Impact Behaviour of Flax Fibre-Reinforced Composites

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Acta Mechanica Solida Sinica 2020年第4期33卷 431-448页

作者： Yan Li Junjie Zhong Kunkun Fu School of Aerospace Engineering and Applied Mechanics Tongji UniversityShanghai 200092China

This study details the low-velocity impact and compression-after-impact(CAI)behaviour of flax fibre-reinforced polymer(FFRP)*** impact resistance,energy absorption efficiency and residual compressive strength as well as the damage pattern of the FFRP composites are compared with the corresponding features of glass fibre-reinforced polymer(GFRP)composites,and the effect of the stacking sequence of FFRP composites is also *** results show that the cross-ply FFRP composites have the highest impact resistance,whereas the multi-directional ply composites have the lowest impact resistance but the highest energy absorption *** energy absorption efficiency of the FFRP composites is greater than that of the GFRP composites,but the penetration resistance and residual compressive strength of the FFRP composites are lower than those of the GFRP composites with the same stacking sequence,mainly due to the lower tensile strength and elongation at fracture of the FFRP *** is also reported that the damage pattern of the FFRP composites is localised cracking and delamination,unlike the overall delamination failure exhibited in the GFRP composites after CAI ***,the failure mechanisms of the FFRP and GFRP composites are detailed.

关键词： FFRP composite Low-velocity impact Compression-after-impact stacking sequence Damage pattern Failure mechanism

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Effects of Manufacturing Parameters on the Tensile Load Bearing Capacity of a Co-cured Single Lap Joint

Effects of Manufacturing Parameters on the Tensile Load Bear...

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第十三届国际复合材料会议

作者： KumCheolShin JungJuLee Department of Mechanical Engineering Korea Advanced Institute of Science and Technology 373-1 Kusong-dong Yusong-gu Taejon-shi 305-701 Korea Department of Mechanical Engineering Korea Advanced Institute of Science and Technology 373-1 Kusong-dong Yusong-gu Taejon-shi 305-701 Korea

＜正＞Co-cured joining method, which is regarded as an adhesively bonded joining method, is an efficient joining technique because both curing and bonding processes for the composite structures can be achieved simultaneously. It requires neither surface treatment onto the composite adherend nor an additional adhesive joining process because the excess resin, which is extracted from composite materials during consolidation, accomplishes the co-cured joining process. There are some bond parameters affecting on the tensile load bearing

关键词： co-cured single lap joint tensile load bearing capacity surface roughness stacking sequence Manufacturing pressure

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The long-period stacking ordered structures in Mg-Zn-RE Alloys:A review

The long-period stacking ordered structures in Mg-Zn-RE Allo...

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2011中国材料研讨会

作者：马爱斌河海大学

The recent development of high-strength Mg alloys has focused on the role of the strengthening phase with a novel long-period stacking ordered （LPSO） *** review details the factors influencing the types of stacking sequences such as RE additions,preparation methods and heat treatment *** formation behavior,strengthening and toughening mechanisms of the LPSO phase are *** the end,the development trends and current problems are also put forward.

关键词： long-period stacking ordered structure stacking sequence formation strengthening mechanism

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Maximization of Continuity of Complex Composite Structures by Permutation Genetic Algorithms

Maximization of Continuity of Complex Composite Structures b...

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The Fourth World Congress of Structural and Multidisciplinary Optimization

作者： Raphael T.Haftka Department of Aerospace Engineering Mechanics and Engineering Science University of Florida GainesvilleFL 32611-6250

＜正＞In this paper, one of important manufacturing constraints -continuity constraint between two adjacent composite laminates is introduced. Tradeoff study between weight and continuity is discussed. Permutation genetic algorithms for maximization of stacking sequence continuity and response surface of maximized stacking sequence continuity are suggested.

关键词： Composite laminate Buckling load Genetic algorithm stacking sequence Continuity

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Bond Parameters Affecting to Fatigue Characteristics of a Co-cured Single Lap Joint Subjected to Cyclic Tensile Loads

Bond Parameters Affecting to Fatigue Characteristics of a Co...

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第十三届国际复合材料会议

作者： SeokBeomCho KumCheolShin JungJuLee Department of Mechanical Engineering Korea Advanced Institute of Science and Technology 373-1 Kusong-dong Yusong-gu Taejon Korea 305-701 Department of Mechanical Engineering Korea Advanced Institute of Science and Technology 373-1 Kusong-dong Yusong-gu Taejon Korea 305-701 Department of Mechanical Engineering Korea Advanced Institute of Science and Technology 373-1 Kusong-dong Yusong-gu Taejon Korea 305-701

＜正＞A co-cured joining method, whose curing and bonding processes are achieved simultaneously, can be regarded as an adhesively bonded joining method because it uses an excess resin extracted from the composite materials as an adhesive. A co-cured joint requires neither an additional adhesive nor surface treatment of the composite adherend. The analysis and design of the co-cured joint for composite structures are simpler than that of the adhesively bonded joint, which uses an additional adhesive.

关键词： co-cured single lap joint surface roughness stacking sequence fatigue characteristics

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