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Author: search.filters.author.Bhat Panemangalore, D.B.

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    Equal channel angular processing-a modern deforming technique for quality products
    (Elsevier, 2021) Bhat K, U.K.; Bhat Panemangalore, D.B.; Bhat, S.
    The grain size plays a significant role in determining the mechanical properties of the materials. Decreasing grain size increases strength, toughness, and ductility. Due to these, a lot of research has been executed to develop deforming techniques to produce ultrafine-grained materials. Among several plastic deformation techniques available, equal channel angular pressing or processing (ECAP) produces ultra-fine grained materials with substantial amount of high angle grain boundaries. ECAP produces ultra-fine grained material with typical substructural features, which are difficult to achieve using other severe deformation techniques. This chapter presents characteristics, variables, die design, and die materials employed in the process. The chapter also presents recent developments in the domain, such as, use of finite element techniques, etc. © 2021 Elsevier Inc. All rights reserved.
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    Microstructural Aspects of Metal-Matrix Composites
    (Elsevier, 2021) Bhat Panemangalore, D.B.; Shabadi, R.
    Microstructures play a very important role in deciding the end properties of an alloy or a composite. Optimized microstructure could be obtained by a careful choice of processing technique and selection of materials. Metal-matrix composites (MMCs) that have been developed significantly over the last five decades possess valuable properties. MMCs can be tailored with myriad of variations to suit for a particular application and hence they belong to a unique class of materials. However, it is important to understand the microstructural aspects to understand the behavior of the component in different environmental and working conditions. This article presents an overview on different microstructural aspects of metal matrix composites. © 2021 Elsevier Ltd. All rights reserved.
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    Ionic Liquid Electrolytes for Flexible Supercapacitors
    (wiley, 2021) Udaya Bhat, K.; Bhat Panemangalore, D.B.
    Compact, flexible, high energy and high density energy storage devices are required to power electronic skins, implantable devices and flexible sensors. Compact and flexible supercapacitors are the need of the hour. Research has been in progress to improve the performance of the electrodes and electrolyte with respect to the batteries and supercapacitors. A number of electrolytes have been designed and tested for the supercapacitor applications. Electrolytes based on ionic liquids are useful to improve the performance from the angle of widening operating voltage, improving energy density, charge-discharge cycling, etc. In this chapter, essential details of a supercapacitor, followed by different components of a supercapacitor, various types and features of electrolytes, developments in ionic liquid electrolytes, design aspects in ionic liquid electrolyte usage, concept of mechanical integrity in flexible supercapacitor design are explored. © 2021 Scrivener Publishing LLC.