Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Ummen Sabu"'
Autor:
G. Logesh, C. Srishilan, Ummen Sabu, Kali Prasad, M. Rashad, Andrews Joseph, K.C. James Raju, M. Balasubramanian
Publikováno v:
Ceramics International. 49:1922-1931
Autor:
Mohammed Rashad, Ummen Sabu, K. C. James Raju, M. Balasubramanian, C. Srishilan, Andrews Joseph, G. Logesh
Publikováno v:
Ceramics International. 47:22540-22549
The hybrid network of Si3N4 whiskers and conducting carbon fiber has great potential for microwave absoprtion applications. The high electrical conductivity of the carbon fiber helps to transform the microwave transparent Si3N4 into microwave absorbi
Autor:
C. Srishilan, M. Balasubramanian, G. Logesh, Mangesh Lodhe, Mohammed Rashad, Ummen Sabu, Anand Joy
Publikováno v:
Journal of the European Ceramic Society. 40:5974-5983
Porous mullite ceramics having needle-shaped interlocking microstructure have been developed from China clay with hydrated aluminium fluoride (AlF3.3H2O) or anhydrous AlF3. The mullite phase evolution, microstructure and the reaction mechanism in bot
Publikováno v:
Ceramics International. 46:22869-22875
Biomorphic C-ZnO/ZnS ceramics were developed using eggshell membrane as the bio-template through a facile solution soakage and infiltration method. The calcination temperature was varied from 650 to 850 °C, and the phase evolutions were studied. ZnS
Publikováno v:
Separation and Purification Technology. 219:74-81
Porous mullite and mullite-alumina composites have been developed from China clay and aluminium fluoride trihydrate (AlF3·3H2O) with various amounts of Al2O3. China clay undergoes a moisture aided vapour phase reaction with AlF3·3H2O during sinteri
Publikováno v:
Ceramics International. 45:6718-6722
Hydroxyapatite has been synthesized using eggshell membrane as bio-template along with the assistance of microwave heating. Eggshell membrane is infiltrated with calcium and phosphorous precursors before heating it in a domestic microwave oven. Hydro
Publikováno v:
Transactions of the Indian Ceramic Society. 77:202-208
Liquid phase sintering (LPS) often yield an amorphous grain boundary region which deteriorates the high temperature properties of the sintered ceramics and thus ceramists prefer to obtain a...
Autor:
K. C. James Raju, M. Balasubramanian, Mangesh Lodhe, Mohammed Rashad, Andrews Joseph, Ummen Sabu, G. Logesh
Publikováno v:
Journal of Alloys and Compounds. 767:1083-1093
Carbon fiber (Cf) reinforced reaction bonded silicon nitride (RBSN) composites with various amounts of fiber (5, 10, 15 and 20 vol %) are fabricated at 1400 °C using the direct nitridation method. The effect of Cf on the phase formation, microstruct
Autor:
Anand Joy, Georgian Melinte, G. Logesh, M. Balasubramanian, Mohammed Rashad, Ummen Sabu, C.N. Shyam Kumar, Christian Kübel
Publikováno v:
Scripta Materialia. 195:113716
The formation of α-Al2O3 platelets by a bio-templating route using eggshell membranes is investigated. A facile solution soakage method was employed for the synthesis of Al2O3. X-ray diffraction results indicated the Al2O3 phase transformations occu
Publikováno v:
Journal of Membrane Science. 620:118857
Monolithic ceramic microfiltration membranes made up of an interlocking network of mullite crystals have been developed from low-cost raw materials, consisting of China clay, AlF3·3H2O and Al2O3. The characteristics of the developed membranes have b