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Author: Ranjit Bauri
Publisher: Butterworth-Heinemann
ISBN: 0128137304
Category : Technology & Engineering
Languages : en
Pages : 139
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Book Description
Metal Matrix Composites by Friction Stir Processing discusses the capabilities of utilizing friction stir processing (FSP) as a tool to manufacture new materials, such as composites. FSP is considered a tool for grain refinement. However, this work illustrates how FSP has a wider capability due to the material flow and mixing the process offers. This book highlights such aspects by demonstrating the ability of the process to incorporate a second phase and make metal matrix composites (MMCs). The book covers the current research on processing MMCs by FSP, and presents a novel approach of making ductile MMCs by FSP using metal particle reinforcements. Demonstrates how friction stir processing can be used to make metal matrix composites Includes a review of different approaches of making metal matrix composites by friction stir processing Demonstrates the utility of friction stir processing in making new types of non-equilibrium ductile composites Provides a comparison of properties of friction stir processed composites to those of conventional metal matrix composites
Author: Ranjit Bauri
Publisher: Butterworth-Heinemann
ISBN: 0128137304
Category : Technology & Engineering
Languages : en
Pages : 139
Get Book Here
Book Description
Metal Matrix Composites by Friction Stir Processing discusses the capabilities of utilizing friction stir processing (FSP) as a tool to manufacture new materials, such as composites. FSP is considered a tool for grain refinement. However, this work illustrates how FSP has a wider capability due to the material flow and mixing the process offers. This book highlights such aspects by demonstrating the ability of the process to incorporate a second phase and make metal matrix composites (MMCs). The book covers the current research on processing MMCs by FSP, and presents a novel approach of making ductile MMCs by FSP using metal particle reinforcements. Demonstrates how friction stir processing can be used to make metal matrix composites Includes a review of different approaches of making metal matrix composites by friction stir processing Demonstrates the utility of friction stir processing in making new types of non-equilibrium ductile composites Provides a comparison of properties of friction stir processed composites to those of conventional metal matrix composites
Author: Ranjit Bauri
Publisher: Butterworth-Heinemann
ISBN: 9780128137291
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
Metal Matrix Composites by Friction Stir Processing discusses the capabilities of utilizing friction stir processing (FSP) as a tool to manufacture new materials, such as composites. FSP is considered a tool for grain refinement. However, this work illustrates how FSP has a wider capability due to the material flow and mixing the process offers. This book highlights such aspects by demonstrating the ability of the process to incorporate a second phase and make metal matrix composites (MMCs). The book covers the current research on processing MMCs by FSP, and presents a novel approach of making ductile MMCs by FSP using metal particle reinforcements.
Author: Hossein Izadi
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 139
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Book Description
This thesis focuses on fabrication of aluminum matrix composites using friction stir processing. Al 5059 alloy was selected as the matrix alloy, and the effect of processing parameters on microstructure and mechanical properties of this alloy was studied in detail. Friction stir processing was conducted using three different tools with different rotation speeds. Microstructural characterization was carried out by optical microscopy, SEM and TEM. It was shown that fine grains form in the stir zone as a result of dynamic recrystallization and these fine grains do not grow during the cooling cycle because of the effect of magnesium on reducing grain boundary mobility. TEM analysis also showed that the microstructure contained Al6(Mn,Fe) particles with two different morphologies. It was confirmed that refinement of these particles can more effectively pin the grain boundaries and suppress grain growth. Grain size measurement was performed on the samples to investigate the effect of process parameters on recrystallization and grain growth in the stir zone. Mechanical properties were also obtained by microhardness and tensile tests. A tool with 3 flats in combination with a rotation speed of 454 RPM provides slightly higher grain refinement and subsequent mechanical properties. It is shown that friction stir processing reduces the fraction of elongated precipitates that form on the grain boundaries of the base material, and this resulted in approximately a 10% improvement in elongation to failure in friction stir processed Al 5059 samples. Particle fragmentation also appeared to increase the rate of work hardening, which also likely contributed to enhanced ductility. A multi-pass multi-tool FSP technique using different processing parameters was proposed for fabrication of Al 5059/Al2O3 and Al 5059/CNT composites. A uniform distribution of reinforcing particles was achieved in both cases with a uniform hardness profile through the stir zone. The microhardness of the composites was significantly higher than the original aluminum alloy. However, it was noted that the thermo-mechanical cycles during processing of the Al/CNT composites have destroyed the tubular structure of the CNTs.
Author: Namrata Gangil
Publisher: CRC Press
ISBN: 1000299015
Category : Technology & Engineering
Languages : en
Pages : 145
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Book Description
This up-to-date reference text discusses the fabrication technique for strengthening of high specific strength alloys including age-hardened aluminum alloys for several industrial applications. The text presents an exhaustive overview of the materials used in the aircraft construction in general and age-hardened aluminum alloys in particular. The text discusses important concepts including surface composite fabrication using friction stir processing (FSP), FSP tools, effect of reinforcement particles, and conditions that affect strengthening during surface composite fabrication on age-hardened aluminum alloys. The text will facilitate the readers to control parameters and avoid conditions that lead to a net negative impact on the resulting composites and select the one that lead to a net gain. It will enable the readers, researchers, and professionals to plan and practice composite fabrication via FSP with a benefit of net strengthening. The understanding of specific strength of materials used in applications including aerial vehicles and manufacturing is important. The proposed text highlights importance of age-hardened alloy as one of the materials used for diverse applications. It discusses strengthening strategies of existing age-hardened aluminum alloys through composite fabrication via a solid-state FSP route. The text will help students and professionals working in the field of manufacturing, materials science, and aerospace engineering. The text discusses an important aspect of strengthening age-hardened alloy using solid-state friction stir processing for diverse applications in industries including manufacturing and aviation. It will serve as an ideal reference for graduate students, academic researchers, and professionals in the field of mechanical engineering, aerospace engineering, and materials science. It will also be helpful to the professionals working in the aviation and manufacturing industries.
Author: Saman Sahraeinejad
Publisher:
ISBN:
Category :
Languages : en
Pages : 57
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Book Description
Friction stir processing has been employed to produce metal matrix composites by incorporating reinforcement particles in an Al 5059 matrix. Various particles with sizes from 130 nm to 4.3 um, and different process parameters, were examined to obtain a uniform distribution of particles within the processed region. Mechanical properties (i.e. tensile and microhardness) of the Al 5059 matrix metal matrix composites reinforced with Al2O3, SiC, and B4C were tested and compared. Tensile tests demonstrated increases in yield strength by 20, 32, and 38 percent compared to the matrix alloy for composites containing Al2O3, SiC, and B4C, respectively. The average microhardness value within the stir zone increased from 85 HV in the base material to a maximum of 170 HV in the B4C-reinforced composite. Particle refinement during friction stir processing was more pronounced with micron-sized particles, and virtually insignificant for nano-sized particles. Nano-scale particles seem to be more efficient in increasing the hardness when a similar fraction is used compared to micro-sized particles.
Author: B. Ratna Sunil
Publisher: CRC Press
ISBN: 0429675070
Category : Science
Languages : en
Pages : 361
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Book Description
Here is a comprehensive resource that compiles extensive descriptions of friction stir processing, fabrication of surface metal matrix composites, and friction surfacing into one volume. The book is separated into four sections, beginning with a discussion of surface tailoring of metals by friction stir processing. This first section delves into the basics of friction stir processing (FSP), incorporating illustrations to explain the supporting mechanisms of this process. This section culminates with the introduction of potential applications of FSP in the manufacturing industry and obstacles that may arise when implemented. The following two sections explore and discuss surface metal matrix composites by friction stir processing and surface engineering by friction surfacing. They provide a thorough explanation of the material systems involved in the respective processes and discuss in detail the mechanisms behind each. The book, which closes with a comprehensive discussion of recent developments in friction-assisted processes and their functionality, offers a unique compilation of information on these increasingly prominent developments in the field of surface engineering. This volume organizes the information in a manner that is both easily accessible and comprehensible, utilizing visuals such as figures, tables, and photographs to enhance readers’ understanding. Key features: • Explores a multitude of topics within the field of surface engineering at length • Summarizes and explores the mechanical foundation of friction stir processing, fabrication of surface metal matrix composites, and friction surfacing • Incorporates figures and tables to aid in illustrating the concepts discussed • Offers potential applications and discusses future benefits of specific elements pertaining to surface engineering
Author: Adedotun Olanrewaju Adetunla
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 188
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Book Description
Author: Jeffrey Gerard Thomas
Publisher:
ISBN:
Category : Metallic composites
Languages : en
Pages : 178
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Book Description
"Many methods have been developed for the creation of surface metal-matrix composites (SMMCs) ... This study continues the development of the friction stir processing technique to create SMCCs. It looks at how the processing parameters affect the incorporation of the second phase particles and how they can be optimized to produce a homogenous distribution of the particles within the substrate. It also evaluates tungsten carbide's (WC) ability to improve the hardness and wear resistance of 7050 aluminum."--Introduction, p. 1.
Author: Karl U. Kainer
Publisher: John Wiley & Sons
ISBN: 3527608273
Category : Technology & Engineering
Languages : en
Pages : 330
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Book Description
Since the properties of MMCs can be directly designed "into" the material, they can fulfill all the demands set by design engineers. This book surveys the latest results and development possibilities for MMCs as engineering and functional materials, making it of utmost value to all materials scientists and engineers seeking in-depth background information on the potentials these materials have to offer in research, development and design engineering.
Author: Mohammad Muzammil
Publisher: Springer Nature
ISBN: 9811587043
Category : Science
Languages : en
Pages : 702
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Book Description
This book presents selected peer-reviewed papers presented at the International Conference on Innovative Technologies in Mechanical Engineering (ITME) 2019. The book discusses a wide range of topics in mechanical engineering such as mechanical systems, materials engineering, micro-machining, renewable energy, systems engineering, thermal engineering, additive manufacturing, automotive technologies, rapid prototyping, computer aided design and manufacturing. This book, in addition to assisting students and researchers working in various areas of mechanical engineering, can also be useful to researchers and professionals working in various allied and interdisciplinary fields.
