How to senter selicon nitride?
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Silicon nitride can be sintered by adding specific compounds and elements to the silicon nitride system and then subjecting it to high temperatures in a non-oxidizing atmosphere. For example, one method involves adding a compound of Y and/or a rare-earth element, along with a small amount of Fe as an impurity, to a silicon nitride system and sintering it at temperatures between 1600-2000 degC . Another method involves compounding and mixing a compound forming alpha- and beta-sialon, such as Al2O3, with Si3N4, and then sintering the mixture at temperatures between 1550-1800 degC in a non-oxidizing atmosphere containing nitrogen . Additionally, a sintered silicon nitride can be produced by forming and sintering a mixture containing silicon nitride powder and a sintering assistant, resulting in a material with a dendriform pattern composed of micro-pores .
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| Papers (4) | Insight |
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| The paper provides a method for sintering silicon nitride by compounding and mixing a compound forming alpha- and beta-sialon with Si3N4, crushing and compression-molding the mixture, and sintering at 1550-1800 deg.C in a non-oxidizing atmosphere containing nitrogen. | |
| The paper provides a method for sintering silicon nitride by adding a W compound to a mixture of silicon nitride, Y and/or a rare-earth element compound, and Fe impurity, and then baking it at a high temperature in a non-oxidizing atmosphere. | |
| The paper does not provide information on how to sinter silicon nitride. The paper is about the composition and properties of sintered silicon nitride, not the sintering process itself. | |
| The paper does not provide information on how to sinter silicon nitride. The paper is about the production and characteristics of sintered silicon nitride. |
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