Department of Ceramic Engineering: Recent submissions

Now showing items 61-80 of 88

Structural and mechanical behaviour of 5% Al2O3-reinforced Fe metal matrix composites (MMCs) produced by powder metallurgy (P/M) route

Gupta, Pallav; Parkash, Om; Kumar, Devendra; and et al. (Indian Academy of Sciences, 2013-10)

The aim of this paper is to investigate the effect of sintering temperature and time on the properties of Fe-Al2O3 composite (5 wt% Al2O 3; 95 wt% Fe) prepared by powder metallurgy process. X-ray diffraction, microstructure, ...
Ceria co-doped with calcium (Ca) and strontium (Sr)

Jaiswal, Nandini; Kumar, Devendra; Upadhyay, Shail; and et.al. (Springerlink.com, 2013-07-11)

Co-doped samples of Ce0.95-xCa0.05SrxO1.95-x, where (x = 0.00, 0.01, 0.02, and 0.03), have been prepared by auto-combustion method and characterized to explore their use as a solid electrolyte for intermediate temperature ...
Antioxidant Property of Aerial Parts and Root of Phyllanthus fraternus Webster, an Important Medicinal Plant

Upadhyay, Richa; Chaurasia, Jitendra Kumar; Tiwari, Kavindra Nath; Singh, Karuna (Elsevier B.V., 2014-01-23)

Ferrochrome slag is a waste material obtained from the manufacturing of high carbon ferrochromium alloy. This slag is formed as a liquid at 1700°C and its main components are SiO2, Al2O3 and MgO. Additionally it consists ...
Implementation of industrial waste ferrochrome slag in conventional and low cement castables

Kumar, Pattem Hemanth; Srivastava, Abhinav; Kumar, Vijay; and et. al. (Elsevier B.V., 2014-04-04)

Ferrochrome slag is a waste material obtained from the manufacturing of high carbon ferrochromium alloy. This slag is formed as a liquid at 1700°C and its main components are SiO2, Al2O3 and MgO. Additionally it consists ...
Role of MgF2 addition on high energy ball milled kalsilite: Implementation as dental porcelain with low temperature frit

Kumar, Pattem Hemanth; Srivastava, Abhinav; Kumar, Vijay (Tsinghua University Press, 2014-08-18)

Porcelain fused to metal (PFM) has received great attention over the last few years due to its importance in the dentistry. Kalsilite (K2O·Al2O3·SiO2) is a high thermal expansion porcelain, suitable for bonding to metals. ...
Investigations on Structural, Mechanical, and Dielectric Properties of PVDF/Ceramic Composites

Srivastava, Anshuman; Jana, Karun Kumar; Maiti, Pralay; Kumar, Devendra; Parkash, Om (Hindawi Limited, 2014-12-18)

Polymer ceramic composites are widely used for embedded capacitor application. In the present work PVDF has been used as a matrix and CCTO and LaCCTO have been used as reinforcement. Extrusion process has been used for the ...
Preparation and characterization of Ce0.85La0.15 − xSrxO{2 − (0.075 + x / 2)} solid electrolytes for intermediate temperature solid oxide fuel cells

Jaiswal, Nandini; Kumar, Devendra; Upadhyay, Shail; Parkash, Om (Institute for Ionics, 2014-06-27)

A few compositions in the system Ce0.85La0.15 − xSrxO{2 − (0.075 + x / 2)} have been prepared using citrate-nitrate method. More than 95 % of theoretical density has been obtained by sintering at 1,350 °C for 4 h in air. ...
Mechanochemically synthesized high alumina cement and their implementation as low cement castables with some micro-fine additives

Kumar, Vijay; Singh, Vinay Kumar; Srivastava, Abhinav; Kumar, P. Hemanth (Elsevier B.V., 2014-12-04)

High-energy ball milling viz. mechanochemical process is being utilized to mechanically activate ceramic powders for low temperature solid state reactions. The process can help to select low-cost commercially available ...
Assessment of nickel oxide substituted bioactive glass-ceramic on in vitro bioactivity and mechanical properties

Vyas, Vikash Kumar; Kumar, Arepalli Sampath; Ali, Akher; and et al (Sociedad Espanola de Ceramica y Vidrio, 2016-11-01)

Many type of oxide substituted glass-ceramics like strontium, cobalt, barium and titanium have shown bioactivity with improved mechanical properties. The present work reports the in vitro bioactivity and mechanical properties ...
The formation mechanism for printed silver-contacts for silicon solar cells

Fields, Jeremy D.; Ahmad, Md. Imteyaz; Pool, Vanessa L.; and et al (Nature Publishing Group, 2016-04-01)

Screen-printing provides an economically attractive means for making Ag electrical contacts to Si solar cells, but the use of Ag substantiates a significant manufacturing cost, and the glass frit used in the paste to enable ...
Tribo-evaluation of iron based metal matrix nanocomposites for heavy duty applications

Gupta, Pallav; Kumar, Devendra; Parkash, Om; Jha, A. K. (American Institute of Physics Inc., 2017-09-11)

The present paper reports dry sliding wear behavior of Iron based Metal Matrix Nanocomposites (MMNCs). Specimens were synthesized by ball milling followed by compaction and sintering in an argon atmosphere. Dry sliding ...
Preparation and characterization of clay bondedhigh strength silica refractory by utilizingagriculture waste

Bhardwaj, Aman; Hossain, S.K.S.; Majhi, Manas R. (Sociedad Espanola de Ceramica y Vidrio, 2017-05-05)

Clay bonded silica refractory was prepared by utilizing agriculture waste called rice husk ash (RHA) and refractory grog. Various samples were prepared with different compositions based upon partial replacement of quartz ...
A comparative study of physico-mechanical, bioactivity and hemolysis properties of pseudo-wollastonite and wollastonite glass-ceramic synthesized from solid wastes

Hossain, SK S; Yadav, Sushma; Majumdar, Shreyasi; Krishnamurthy, S.; Pyare, Ram; Roy, P.K. (Elsevier Ltd, 2020-01)

This study aims to synthesize pseudo-wollastonite and wollastonite base glass-ceramic from solid wastes, and a comparative study of their physico-mechanical, bioactivity, and hemolysis properties is conducted. The ...
Influence of alumina and silica addition on the physico-mechanical and dielectric behavior of ceramic porcelain insulator at high sintering temperature

Mehta, Niraj Singh; Sahu, Praveen Kumar; Tripathi, Pankaj; Pyare, Ram; Majhi, Manas R. (Sociedad Espanola de Ceramica y Vidrio, 2017-12-14)

The high-strength electrical porcelain insulator plays a vital role in the power industry. The present study investigates the effect of alumina and silica addition on the physico-mechanical and electrical properties of ...
Effect of Synthesis Techniques on the Optical Properties of Ho 3+ /Yb 3+ Co-doped YVO 4 Phosphor

Dwivedi, Abhishek; Rai, Ekta; Kumar, Devendra; Rai, Shyam B (American Chemical Society, 2019-04-16)

The Ho 3+ /Yb 3+ -codoped YVO 4 phosphors have been synthesized by three different techniques (viz., solution combustion, sol-gel, and solid-state reaction techniques). X-ray diffraction patterns confirm the formation of ...
Fabrication of sustainable insulation refractory

Hossain, SK.S.; Roy, P.K. (Sociedad Espanola de Ceramica y Vidrio, 2018-10-15)

The main objective of this study is to evaluate the use of different wastes as a raw material in the fabrication of insulation refractory. These wastes are fly ash, rice husk (RH), rice husk ash (RHA) and fired refractory ...
Structure of Apatite Nanoparticles Derived from Marine Animal (Crab) Shells

Bhattacharjee, Birendra Nath; Mishra, Vijay Kumar; Rai, Shyam Bahadur; Parkash, Om; Kumar, Devendra (American Chemical Society, 2019-07-26)

In the present investigation, crab shells as seafood wastes were successfully recycled into an extremely useful biomaterial by the thermal treatment method. Thermogravimetric-differential thermal analysis studies concluded ...
Advance research progresses in aluminium matrix composites: manufacturing & applications

Garg, Pulkit; Jamwal, Anbesh; Kumar, Devendra; Sadasivuni, Kishor Kumar; Hussain, Chaudhery Mustansar; Gupta, Pallav (Elsevier Editora Ltda, 2019-07-04)

At present aluminium matrix composites are widely used in engineering applications. Aluminium matrix composites are providing such superior properties which cannot be achieved by any existing monolithic material. Properties ...
Development of sustainable calcium silicate board: Utilization of different solid wastes

Hossain, SK.S.; Roy, P.K. (Sociedad Espanola de Ceramica y Vidrio, 2019-11-01)

The present investigation aims to estimate the feasibility of using eggshell and rice husk ash (RHA) as ingredients to produce calcium silicate board (CSB). The solid-state route was used to prepare the calcium silicate ...
Graphene oxide-ferrite hybrid framework as enhanced broadband absorption in gigahertz frequencies

Bhattacharyya, Rajarshi; Prakash, Om; Roy, Somnath; Singh, Akhilendra Pratap; Bhattacharya, Tapas Kumar; Maiti, Pralay; Bhattacharyya, Somak; Das, Santanu (Nature Publishing Group, 2019-12-01)

The present investigation is focused on the in-situ synthesis of Graphene oxide (GO)-ferrite nanoparticle hybrid framework by gel-combustion method followed by fabrication of homogeneous, structurally stable thin (~100–120 ...

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