Magnesium-Stabilized Zirconia (MSZ) for Demanding Ultra-High Temperature Applications

 In the Zirconia ceramic family, there is a material that can endure the high temperature of 2200 degrees centigrade. We call it Magnesium Stabilized Zirconia ceramic. It is a refractory material. Although 95% of the composition is zirconium oxide, its performance is quite different from the white zirconia ceramic(Y2O3 partially stabilized zirconia ceramic).

 

 

From its appearance, it is yellow in color and with porosity. We have two kinds of magnesium-stabilized zirconia ceramic. One with low porosity its a density is ≤52g/cm3, one with high porosity its a density a little higher, 5.4-5.6g/m3. But their main composition is almost the same. They can be used in air, vacuum, or protective atmosphere environments. Following is the detail of the material data sheet.

 

Property	Item	Units	MSZ-L	MSZ-H
Composition	ZrO2	%	≥95	≥95
	Al2O3	%	≤0.2	≤0.2
	SiO2	%	≤0.4	≤0.4
	MgO	%	≤2.9	≤2.9
	Fe2O3	%	≤0.1	≤0.1
	TiO2	%	≤0.1	≤0.1
Physical	Color		Yellow	Yellow
	Density	g/cm3	≤5.2	≤5.4-5.6
	Porosity	%	≤18.5	≤8

 

 

The feature of magnesium-stabilized zirconia
*High erosion and wear resistance
*High thermal shock resistance
*Metal corrosion resistance at high temperatures
*Long service life
*High Strength

 

Application Field
*Metal powder industry as gas atomizing nozzle and setter plate
*Precious metal smelting industry as ceramic crucibles
*High-temperature melt flow control components such as sizing nozzles, ladle skateboard panels, converter slag blocking slide plates, and rings

 

 

If you are looking for a ceramic material for ultra-high temperatures, magnesium-stabilized zirconia ceramic may be a good choice. Its stabilizers and grains combination can be designed according to the customer’s using environment, as long as you have the quantity.