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Method for preparing polycrystalline aluminum oxynitride having enhanced transparency

LEE JAE HYUNG / KIM JI HYE / HAN BO HOON / JUNG IN CHUL

Disclosed is a method for preparing polycrystalline aluminum oxynitride having enhanced transparency, and preparing polycrystalline aluminum oxynitride by sintering a powder mixture of Al2O3 and AlN under atmospheric pressure, wherein the content of AlN is set to 17 to 26 mol %, a first sintering is performed at 1,575° C. to 1,675° C. so as to enable raw-material powders to have a relative density of 95% or higher, and a second sintering is performed so as to enable the raw-material powders to have a higher relative density.

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Method for preparing polycrystalline aluminum oxynitride having enhanced transparency

LEE JAE HYUNG / KIM JI HYE / HAN BO HOON / JUNG IN CHUL

Disclosed is a method for preparing polycrystalline aluminum oxynitride having enhanced transparency, and preparing polycrystalline aluminum oxynitride by sintering a powder mixture of Al2O3 and AlN under atmospheric pressure, wherein the content of AlN is set to 17 to 26 mol %, a first sintering is performed at 1,575° C. to 1,675° C. so as to enable raw-material powders to have a relative density of 95% or higher, and a second sintering is performed so as to enable the raw-material powders to have a higher relative density.

Method for preparing polycrystalline aluminum oxynitride having enhanced transparency

LEE JAE HYUNG / KIM JI HYE / HAN BO HOON / JUNG IN CHUL

Disclosed is a method for preparing polycrystalline aluminum oxynitride having enhanced transparency, and preparing polycrystalline aluminum oxynitride by sintering a powder mixture of Al2O3 and AlN under atmospheric pressure, wherein the content of AlN is set to 17 to 26 mol %, a first sintering is performed at 1,575° C. to 1,675° C. so as to enable raw-material powders to have a relative density of 95% or higher, and a second sintering is performed so as to enable the raw-material powders to have a higher relative density.

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Titel:

Method for preparing polycrystalline aluminum oxynitride having enhanced transparency

Beteiligte:

LEE JAE HYUNG (Autor:in) / KIM JI HYE (Autor:in) / HAN BO HOON (Autor:in) / JUNG IN CHUL (Autor:in)

Erscheinungsdatum:

26.04.2016

Medientyp:

Patent

Format:

Elektronische Ressource

Sprache:

Englisch

Klassifikation:

IPC: C04B Kalk , LIME

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