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Papers Author: K. B. Sharma

Total Papers Found: 13

Thermal response of polystyrene/poly methyl methacrylate (PS/PMMA) polymeric blends

Author(s): K. B. Sharma, Vishal Mathur

The phase behavior of polymeric materials is understood through glass transition temperature. It is a temperature boundary above which the polymeric material is soft and viscous, and becomes hard, brittle, ...

Keywords: Glass Transition Temperature, Hot Disk, Methacrylate, Polymeric blends, Polymethyl, polystyrene, Thermal Conductivity, Thermal Diffusivity, Transient plane source (TPS) method

Thermal conductivity and thermal diffusivity of palm fiber reinforced binary phenolformaldehyde composites

Author(s): K. B. Sharma, M. S. Sreekala, N. S. Saxena, N. S. Sharma, Richa Agrawal, S. Thomas

Samples of binary reinforced composites were created by mixing varying fractions of palm fiber (20, 30, 40, and 50 weight %) in a phenoformaldehyde (PF) matrix. The thermal conductivity and thermal diffusivity were measured using ...

Keywords: composites, Hot Disk TPS, palm fiber, PF, phenoformaldehyde, phenoformaldehyde (PF), Thermal Conductivity, Thermal Diffusivity

Dynamic mechanical, mechanical and thermal analysis of CPI/NBR blends: effect of blend composition and crosslink density

Author(s): K. B. Sharma, Kananbala Sharma, Mahesh Baboo, N. S. Saxena, Seema Gupta

Composites made from a combination of cis-polyisoprene (CPI) and nitrile butadiene rubber (NBR) were investigated to determine the effect of varying proportions of each additive on the mechanical and thermal ...

Keywords: blend composition, cis-polyisoprene, cis-polyisoprene (CPI), CPI, Crosslink Density, Dynamic Mechanical Analyzer, Hot Disk TPS, NBR, nitrile butadiene rubber, nitrile butadiene rubber (NBR), Scanning Electron Microscope, Thermal Conductivity, X-ray Diffraction

Effective thermal conductivity and diffusivity of GeSeSb glasses measured simultaneously as a function of temperature and fit to empirical equations

Author(s): Anusaiya Kaswan, Dinesh Patidar, K. B. Sharma, Kananbala Sharma, N. S. Saxena, Vandana Kumari

The effective thermal conductivity and thermal diffusivity was measured for chalcogenide glass samples of the formulation Ge30-xSe70Sbx (x = 10, 15, 20, 25). It was found that both the effective thermal conductivity and ...

Keywords: Chalcogenide Glasses, Effective Thermal Conductivity, Effective Thermal Diffusivity, glass, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, TPS, Transient Plane Source, Transient plane source (TPS) method, X-ray Diffraction, X-ray diffraction (XRD), XRD

Measurement of Thermal Transport Properties in Metal Doped Polypyrrole

Author(s): K. B. Sharma, Kananbala Sharma, N. S. Saxena, Rashmi Saxena, Thaneshwar P. Sharma, Vinodini Shaktawat

Metal doping of a polypyrrole matrix was carried out. Nickel and Cobalt were the two metals that were used in this study, and three samples were prepared, one containing 100% Co, ...

Keywords: composites, Conjugated Polymers, EDX, Energy Dispersive X-Ray Fluorescence, Energy Dispersive X-Ray Fluorescence (EDX), Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Thermal Conductivity, Thermal Diffusivity, TPS Method, Transient Plane Source, Transient plane source (TPS) method, X-ray Diffraction, X-ray diffraction (XRD), XRD

Evaluation of Morphological Effect on Thermal and Mechanical Performance of PS/PMMA/CdS Nanocomposite Systems

Author(s): K. B. Sharma, Kananbala Sharma, Vishal Mathur

The thermal and mechanical properties of PS/PMMA immiscible polymer blends were investigated. The effects of the dispersion of CdS nanoparticles on these properties were also investigated. The dispersion of ...

Keywords: DMA, Dynamic Mechanical Analyzer, Dynamic Mechanical Analyzer (DMA), Glass Transition Temperature, Hot Disk Thermal Constants Analyzer, nanocomposites, Polymer composites, SAXS, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Small-Angle X-Ray Scattering, Small-Angle X-Ray Scattering (SAXS), Thermal Conductivity, Thermal Diffusivity, TPS Technique, Transient Plane Source, Transient plane source (TPS) method, WAXS, Wide Angle X-Ray Scattering, Wide Angle X-Ray Scattering (WAXS)

Mechanical and thermal characterization of cis-polyisoprene and trans-polyisoprene blends

Author(s): K. B. Sharma, Kananbala Sharma, Mahesh Baboo, Manasvi Dixit, N. S. Saxena, Narendra S. Saxena

The mechanical and thermal properties of blends of cis-polyisoprene (CPI) and trans-polyisoprene (TPI) are investigated and compared to those of the pure elastomers. It was found that the elastic modulus ...

Keywords: DMA, Dynamic Mechanical Analyzer, Dynamic Mechanical Analyzer (DMA), Elastomers, Polymer composites, Specific Heat, Thermal Conductivity, Thermal Diffusivity, TPS Technique, Transient Plane Source, Transient plane source (TPS) method, Wide Angle X-Ray Scattering

An approach to correlate experimental and theoretical thermal conductivity of MWNT/PMMA polymer composites

Author(s): D. Patidar, K. B. Sharma, M. Verma, N. S. Saxena

This study is investigating how the thermal conductivity of a PMMA polymer filled with multi walled carbon nano tubes (MWNT) changes with temperature, and wt % MWNT. Also, the series, parallel, ...

Keywords: Carbon nanotubes, Casting Method, CNTs, concentration, Hot Disk, Hot Disk thermal constant analyser, matrix, Multiwalled carbon nanotubes, MWNT, MWNT/PMMA polymer, nanocomposites, PMMA polymer, Polymer composites, polymer interactions, Temperature, Thermal Conductivity, Transient Plane Source, Transient plane source (TPS) method

Effect of nano CdS dispersion on thermal conductivity of PS/PVC and PS/PMMA polymeric blend nanocomposites

Author(s): Dinesh Patidar, K. B. Sharma, Kananbala Sharma, Vishal Mathur

The goal of this study was to determine how adding CdS nanoparticles to two polymer blends (PS/PVC and PS/PMMA) affects their thermal conductivities. Also, the effect of increasing ...

Keywords: CdS, Fillers, Hot Disk, Hot Disk Transient Plane Source, Hot Disk transient plane source (TPS), nanocomposites, particles, PMMA, Polymer composites, polymethylmacrylate, polystyrene, polyvinly chloride, PS, PVC, Thermal Conductivity, Transient Plane Source

Evaluation of energy band gap, thermal conductivity, phase transition temperature and elastic response of PS/CdS semiconducting optical nanocomposite

Author(s): K. B. Sharma, Kananbala Sharma, Kuldeep S. Rathore, Vishal Mathur

Cadmium sulfide (CdS) nanoparticles were dispersed in a polystyrene (PS) matrix to synthesize semiconducting optical nanocomposites for industrial applications. In this paper, many characteristics of the PS-CdS thick films were ...

Keywords: Cadmium sulfide (CdS), Cadmium sulphide (CdS), Energy band gap, Fillers, films, Hot Disk, matrix, morphology, nanocomposites, Nanofiller, Optical absorption, Phase transition, Polystyrene (PS), Scanning Electron Microscopy (SEM), Semiconducting, Temperature, Thermal Conductivity, Transient plane source (TPS), Transient plane source (TPS) method, Transmission electron microscopy (TEM), X-ray Diffraction