Electric heating – Heating devices – With heating unit structure
Patent
1983-01-24
1984-12-04
Mayewsky, Volodymyr Y.
Electric heating
Heating devices
With heating unit structure
123145A, 219270, 219541, 252518, 338330, 361266, H05B 310
Patent
active
044866518
ABSTRACT:
A ceramic heater comprising a supporting member made of an electrically insulating ceramic and a heater element made of a ceramic having excellent oxidization resistance, thermal shock resistance and high bending strength at a high temperature is disclosed. The heater element is formed by sintering a mixture composed of MoSi.sub.2 and 10 to 70 mol % of Si.sub.3 N.sub.4. By adding 3 to 10 mol % of at least one material selected from the group consisting of Al.sub.2 O.sub.3, a mixture of Al.sub.2 O.sub.3 and MgO and MgAl.sub.2 O.sub.4 to the above mixture, a heater element having a sufficient sintering degree can be obtained even by atmospheric sintering.
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Atsumi Kinya
Ito Novuei
Mayewsky Volodymyr Y.
Nippon Soken Inc.
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