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Design and test of a microwave heater.

King Fahd University of Petroleum and Minerals (Saudi Arabia).

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Design and test of a microwave heater.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Design and test of a microwave heater./
Author:	Al-Gaashani, Rashad Ahmad.
Description:	188 p.
Notes:	Source: Masters Abstracts International, Volume: 47-02, page: 1034.
Contained By:	Masters Abstracts International47-02.
Subject:	Physics, Electricity and Magnetism. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1459579
ISBN:	9780549864462

Design and test of a microwave heater.
Al-Gaashani, Rashad Ahmad.

Design and test of a microwave heater. - 188 p.

Source: Masters Abstracts International, Volume: 47-02, page: 1034.

Thesis (M.S.)--King Fahd University of Petroleum and Minerals (Saudi Arabia), 2008.

The use of microwave energy to heat ceramics at high temperatures has gained increasing interest because of its industrial applications. The technique saves both energy and time, and it improves the materials' properties. In this thesis, we have designed and tested more than 20 heaters which were made of SiC-based composite materials that show a strong and fast microwave absorption in a kitchen microwave oven (2.45GHz, 1.5 KW). The tests were very promising as some heaters could be heated up to temperatures close to T= 1750°C in four minutes. The highest temperatures (1650°C and 1750°C) were obtained in the case of (90% SiC + 10% Al2O3) heater and (90% SiC + 10% V2O3) heater respectively. Different compositions were investigated and structural analyses of the samples before and after treatment were carried out by X-ray Diffraction (XRD) and Scanning Electron Microscopy (SEM/EDS). The results showed that many oxide nanostructures were formed after microwave exposure along with new phases. Successful tests have been reported in this thesis about sintering alumina-titania (70% Al 2O3 + 30%TiO2) at 1350°C for 5 minutes in a microwave oven and a conventional furnace. Many nanostructures of zinc oxide powder have been synthesized by evaporation-oxidation of metallic zinc using microwave heaters within 1.5 minutes.

ISBN: 9780549864462Subjects--Topical Terms:

1019535
Physics, Electricity and Magnetism.

Design and test of a microwave heater.
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500 $a Source: Masters Abstracts International, Volume: 47-02, page: 1034.
502 $a Thesis (M.S.)--King Fahd University of Petroleum and Minerals (Saudi Arabia), 2008.
520 $a The use of microwave energy to heat ceramics at high temperatures has gained increasing interest because of its industrial applications. The technique saves both energy and time, and it improves the materials' properties. In this thesis, we have designed and tested more than 20 heaters which were made of SiC-based composite materials that show a strong and fast microwave absorption in a kitchen microwave oven (2.45GHz, 1.5 KW). The tests were very promising as some heaters could be heated up to temperatures close to T= 1750°C in four minutes. The highest temperatures (1650°C and 1750°C) were obtained in the case of (90% SiC + 10% Al2O3) heater and (90% SiC + 10% V2O3) heater respectively. Different compositions were investigated and structural analyses of the samples before and after treatment were carried out by X-ray Diffraction (XRD) and Scanning Electron Microscopy (SEM/EDS). The results showed that many oxide nanostructures were formed after microwave exposure along with new phases. Successful tests have been reported in this thesis about sintering alumina-titania (70% Al 2O3 + 30%TiO2) at 1350°C for 5 minutes in a microwave oven and a conventional furnace. Many nanostructures of zinc oxide powder have been synthesized by evaporation-oxidation of metallic zinc using microwave heaters within 1.5 minutes.
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