【 MoSi2 physics and chemistry characters 】,MoSi2 electrical-heating elements,Molybdenum Disilicide Heating Elements

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MoSi2 physics and chemistry characters

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The operation of furnaces

Reference Data

【 MoSi2 heating elements physics and chemistry characters 】

1. Physics Characters

Volume Density	Bending Strength	Vickers Hardness	Gas Hole Rate	Drawing Water Rate	Heating Elongation Rate
5.5 g/cm³	15-25 kg/cm³	(HV)570kg/mm²	7.4%	1.2%	4%

2. Chemistry Character

MoSi2 heating element is used in the high temperature under oxidizing atmosphere. It will form the SiO2 film which can keep the element from being melted. During the oxidizing process, the SiO2 protecting film is formed again when the element continues to be used. The MoSi2 heating element must not be used in the temperature between 400℃ and 700℃ for a long time, otherwise the element will be cremated under the strong oxidizing function in the low temperature.

3. The Element Make Use of Temperature Effect in the Different Atmosphere

Atmosphere	Elements use Highest-Temperature
Atmosphere	1700	1800
NO2,CO2,O2,Air	1700℃	1800℃
He,Ar,Ne	1650℃	1750℃
SO2	1600℃	1700℃
CO,N2	1500℃	1600℃
Wet H2	1400℃	1500℃
Dry H2	1350℃	1450℃

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