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Author: RJ. Cano
Publisher:
ISBN:
Category : Composite materials
Languages : en
Pages : 11
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Book Description
Three series of torsional dynamic mechanical analysis (DMA) tests were conducted on unidirectional carbon/epoxy composites to determine differences in interfacial bond strength. For the first series, composites were manufactured with PAN-based and pitch-based carbon fibers. The fibers had a proprietary surface treatment. For the second series of tests, the composites were made with four grades of pitch-based carbon fibers. Two different methods of surface treatment were used on the fibers. As a comparison, short beam shear tests were conducted on the composites made with fibers which had different surface treatments. The final series of tests were conducted on composite samples made from one grade of pitch-based fibers with four different fiber volume fractions. All samples were made using the same matrix material. Dynamic mechanical analysis was able to clearly differentiate between the fiber/matrix bond strength of pitch-based and PAN-based fibers. The interlaminar shear strength correlated well with the DMA results, indicating that DMA can measure the effectiveness of various surface treatments. The dynamic mechanical loss modulus increased with increasing fiber volume fraction or total surface area.
Author: RJ. Cano
Publisher:
ISBN:
Category : Composite materials
Languages : en
Pages : 11
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Book Description
Three series of torsional dynamic mechanical analysis (DMA) tests were conducted on unidirectional carbon/epoxy composites to determine differences in interfacial bond strength. For the first series, composites were manufactured with PAN-based and pitch-based carbon fibers. The fibers had a proprietary surface treatment. For the second series of tests, the composites were made with four grades of pitch-based carbon fibers. Two different methods of surface treatment were used on the fibers. As a comparison, short beam shear tests were conducted on the composites made with fibers which had different surface treatments. The final series of tests were conducted on composite samples made from one grade of pitch-based fibers with four different fiber volume fractions. All samples were made using the same matrix material. Dynamic mechanical analysis was able to clearly differentiate between the fiber/matrix bond strength of pitch-based and PAN-based fibers. The interlaminar shear strength correlated well with the DMA results, indicating that DMA can measure the effectiveness of various surface treatments. The dynamic mechanical loss modulus increased with increasing fiber volume fraction or total surface area.
Author: Roberto Jose Cano
Publisher:
ISBN:
Category :
Languages : en
Pages : 250
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Book Description
Author: Christopher J. Spragg
Publisher: ASTM International
ISBN: 080312046X
Category : Composite material
Languages : en
Pages : 206
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Book Description
Emphasizing fiber-matrix adhesion and its characterization in composite materials, reports results from applying the most commonly used test methods, such as fragmentation, pull-out, and indentation, to high-performance composites and their constituents. The 13 papers were presented at a symposium i
Author: Eugene T. Camponeschi
Publisher: ASTM International
ISBN: 0803114982
Category : Composite materials
Languages : en
Pages : 659
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Book Description
Author: Senthil Muthu Kumar Thiagamani
Publisher: CRC Press
ISBN: 1000551350
Category : Technology & Engineering
Languages : en
Pages : 351
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Book Description
Fiber-reinforced polymer composites exhibit better damping characteristics than conventional metals due to the viscoelastic nature of the polymers. There has been a growing interest among research communities and industries in the use of natural fibers as reinforcements in structural and semi-structural applications, given their environmental advantages. Knowledge of the vibration and damping behavior of biocomposites is essential for engineers and scientists who work in the field of composite materials. Vibration and Damping Behavior of Biocomposites brings together the latest research developments in vibration and viscoelastic behavior of composites filled with different natural fibers. Features: Reviews the effect of various types of reinforcements on free vibration behavior Emphasizes aging effects, influence of compatibilizers, and hybrid fiber reinforcement Explores the influence of resin type on viscoelastic properties Covers the use of computational modeling to analyze dynamic behavior and viscoelastic properties Discusses viscoelastic damping characterization through dynamic mechanical analysis. This compilation will greatly benefit academics, researchers, advanced students, and practicing engineers in materials and mechanical engineering and related fields who work with biocomposites. Editors Dr. Senthil Muthu Kumar Thiagamani, Kalasalinagam Academy of Research and Education (KARE), India Dr. Md Enamul Hoque, Military Institute of Science and Technology (MIST), Bangladesh Dr. Senthilkumar Krishnasamy, King Mongkut’s University of Technology North Bangkok KMUTNB, Thailand Dr. Chandrasekar Muthukumar, Hindustan Institute of Technology & Science (HITS), India Dr. Suchart Siengchin, King Mongkut’s University of Technology North Bangkok KMUTNB, Thailand
Author: American Society of Mechanical Engineers. Materials Division
Publisher:
ISBN: 9780791817599
Category : Technology & Engineering
Languages : en
Pages : 856
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Book Description
Author:
Publisher:
ISBN:
Category : Ceramic materials
Languages : en
Pages : 658
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 974
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Book Description
Author: Senthilkumar Krishnasamy
Publisher: Springer Nature
ISBN: 9819983274
Category : Technology & Engineering
Languages : en
Pages : 350
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Book Description
This book provides a general overview of the importance of fibre-matrix interfacial bonding characteristics in natural fibre-based composites to obtain optimal material properties for a specific application. Composites materials are prepared by combining fibres and polymers to achieve superior materials properties than those of the individual components. Composite materials are used to produce lightweight components with increased stiffness and strength; their properties can also be tailored for any specific applications. The glass fibre reinforced composites dominate 95% of the thermoplastic and thermoset-based composites. However, the natural fibre reinforced composites can give competition to the glass fibres due to their advantages such as biodegradability, low density, low cost, and good mechanical properties. This book looks into biocomposites and its important aspect of optimization of materials’ performance by fine-tuning the fibre-matrix bonding characteristics. The chapters in the book look at different plant fibres such as kenaf, pineapple leaf, jute, date palm, luffa, cotton, hemp, wood, bamboo, flax, and straw and the different approaches to enhance the fibre-matrix interfacial bonding through physical and/or chemical treatment methods. It demonstrates that the nature of fibre-matrix bonding has a significant effect on the properties such as tensile, flexural, impact, inter-laminar shear strength, moisture absorption, thickness swelling, thermal, chemical, damping, creep, and fatigue. Its content appeals to academics, students, researcher, and scientist who are working in the field to produce biodegradable and recyclable materials in the composite industry.
Author: American Society of Mechanical Engineers. Winter Annual Meeting
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 232
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Book Description
