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Upendra Kumar
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Smart Materials for Science and Engineering
Upendra Kumar, Piyush Kumar Sonkar
- Wiley-Scrivener
- 7 Mai 2024
- 9781394186464
SMART MATERIALS FOR SCIENCE AND ENGINEERING Smart materials, also known as advanced or creative materials, are described as advanced materials that react intuitively to environmental changes or as materials that can return to their original shape in response to certain stimuli. Smart materials are classified as either active or passive based on their characteristics. There are two types of active materials. The first kind cannot change its characteristics when subjected to outside stimuli, for example photochromatic spectacles that only alter their color when exposed to sunlight. The other, which includes piezoelectric materials, can change one sort of energy (thermal, electrical, chemical, mechanical, or optical) into another. When subjected to external pressure, it can generate an electric charge. As an example, optical fibers can transmit electromagnetic waves. In contrast, passive smart materials can transmit a specific sort of energy. They have some amazing qualities that set them apart from other materials, such as transiency, meaning they can react to different kinds of external stimuli immediately, self-actuation or the capacity to change their appearance and shape, selectivity where the response is divided and expected, directness when the response is limited to the activating event, shape-changing where the material can change its shape to external stimuli, their ability to determine their own health, also known as self-diagnosis, and their ability to self-heal. The ability to synthesize novel materials has substantially progressed thanks to science and technology over the past 20 years. They fall mostly into the following four categories: polymers, ceramics, metals, and smart materials. Among these, smart materials are gaining popularity since they have more uses than conventional materials. Smart materials are unusual substances that have the ability to alter their properties, such as those that can immediately change their phase when placed near a magnet or their shape simply by applying heat. Humanity will be significantly impacted by this new era of smart materials. For instance, some of them can adapt their properties to the environment, some have sensory capabilities, some can repair themselves automatically, and some can degrade themselves. These extraordinary properties of smart materials will have an effect on all facets of civilization. There are many different types of intelligent materials, including magnetorheological materials, electro-rheostat materials, shape memory alloys, piezoelectric materials, and more. This book describes many forms of smart materials and their possible uses in various fields. A literature survey discusses the different types of smart materials, such as based ceramics, polymers, and organic compounds and their needs, advantages, disadvantages, and applications will be comprehensively discussed. A discussion of well-established smart materials including piezoelectric, magnetostrictive, shape memory alloy, electro-rheological fluid, and magnetorheological fluid materials will be discussed with their present prospects.
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Defects Engineering in Electroceramics for Energy Applications
Upendra Kumar
- Springer
- 1 Décembre 2024
- 9789819790180
This book highlights the history of electroceramics starting from synthesis using different routes of the solid solution to hybrid nanocomposites and its applications in different renewable energy, thermistor, actuators, thermoelectric, thermo-optic, sensor, and much more applications in electronic industry. In ceramic materials, the properties are controlled by doping and composition, but the grain size and the porosity of the sintered ceramics also play essential roles. The latter features depend on the method of fabrication. The end-user requirements define the optimum physical and chemical properties of ceramic materials. Therefore, the design and fabrication of ceramic components are multidisciplinary, spanning physical chemistry, metallurgy, and chemical engineering. Also included in this book are the various characterizing techniques to study the
physical properties of ceramics. -
Carbon-based Nanomaterials for Green Applications
Suman Lata Tripathi, Piyush Kumar Sonkar, Upendra Kumar
- Wiley-IEEE Press
- 31 Décembre 2024
- 9781394243402
Gain valuable insight into applying carbon-based nanomaterials to the green technologies of the future The green revolution is the most important technological development of the new century. Carbon-based nanomaterials, with their organic origins and immense range of applications, are increasingly central to this revolution as it unfolds. There is an urgent need for an up-to-date overview of the latest research in this ever-expanding field. Carbon-Based Nanomaterials for Green Applications meets this need by providing a brief outline of the synthesis and characterization of different carbon-based nanomaterials, including their historical backgrounds. It proceeds to move through each major category, outlining properties and applications for each. The result is an essential contribution to a huge range of sustainable and renewable industries. With contributions from a global list of distinguished writers, the book includes: Discussion of nanomaterial applications in fields from drug delivery to biomedical technology to optics Analysis of nanomaterial categories including graphene, fullerene, mesoporous carbon, and many more Separate chapters describing aspects of supercapacitors, solar cells, and fuel cells Carbon-Based Nanomaterials for Green Applications is ideal for scientists and researchers working in nanotechnology, life sciences, biomedical research, bioengineering, and a range of related fields.
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Technology Innovation in Mechanical Engineering
Abhishek Singh, Tikendra Nath Verma, Prem Kumar Chaurasiya, Upendra Rajak
- Springer
- 29 Avril 2022
- 9789811679094
This book comprises select papers presented at the conference on Technology Innovation in Mechanical Engineering (TIME-2021). The book discusses the latest innovation and advanced research in the diverse field of Mechanical Engineering such as materials, manufacturing processes, evaluation of materials properties for the application in automotive, aerospace, marine, locomotive and energy sectors. The topics covered include advanced metal forming, Energy Efficient systems, Material Characterization, Advanced metal forming, bending, welding & casting techniques, Composite and Polymer Manufacturing, Intermetallics, Future generation materials, Laser Based Manufacturing, High-Energy Beam Processing, Nano materials, Smart Material, Super Alloys, Powder Metallurgy and Ceramic Forming, Aerodynamics, Biological Heat & Mass Transfer, Combustion & Propulsion, Cryogenics, Fire Dynamics, Refrigeration & Air Conditioning, Sensors and Transducers, Turbulent Flows, Reactive Flows, Numerical Heat Transfer, Phase Change Materials, Micro- and Nano-scale Transport, Multi-phase Flows, Nuclear & Space Applications, Flexible Manufacturing Technology & System, Non-Traditional Machining processes, Structural Strength and Robustness, Vibration, Noise Analysis and Control, Tribology. In addition, it discusses industrial applications and cover theoretical and analytical methods, numerical simulations and experimental techniques in the area of Mechanical Engineering. The book will be helpful for academics, including graduate students and researchers, as well as professionals interested in interdisciplinary topics in the areas of materials, manufacturing, and energy sectors.