Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
ALUMINA SINTERED BODY EXCELLENT IN HIGH TEMPERATURE AND CORROSION RESISTANCE
PROBLEM TO BE SOLVED: To provide an alumina sintered body excellent in high temperature property and corrosion resistance.SOLUTION: There is provided an alumina sintered body satisfying requirements <1> to <7>. <1> alumina content is 98.3 wt.% or more. <2> magnesia content is 0.1 to 1.0 wt.%. <3> silica content is 0.10 wt.% or less. <4> weight ratio of magnesia and silica (magnesia/silica) is 2.0 or more. <5> bulk density is 3.85 g/cmor more. <6> average crystal particle diameter is 3 to 20 μm. <7> a ratio of MgAlOspinel and alumina (MgAlOspinel/alumina) is 0.01 to 0.07.SELECTED DRAWING: None
【課題】高温特性及び耐食性に優れたアルミナ焼結体の提供【解決手段】要件＜１＞〜＜７＞を満たすアルミナ焼結体。＜１＞アルミナ含有量が９８．３重量％以上＜２＞マグネシア含有量が０．１〜１．０重量％＜３＞シリカ含有量が０．１０重量％以下＜４＞マグネシアとシリカの重量比（マグネシア／シリカ）が２．０以上＜５＞かさ密度が３．８５ｇ／ｃｍ３以上＜６＞平均結晶粒径が３〜２０μｍ＜７＞ＭｇＡｌ２Ｏ４スピネルとアルミナの結晶相量の比（ＭｇＡｌ２Ｏ４スピネル／アルミナ）が０．０１〜０．０７【選択図】なし
ALUMINA SINTERED BODY EXCELLENT IN HIGH TEMPERATURE AND CORROSION RESISTANCE
PROBLEM TO BE SOLVED: To provide an alumina sintered body excellent in high temperature property and corrosion resistance.SOLUTION: There is provided an alumina sintered body satisfying requirements <1> to <7>. <1> alumina content is 98.3 wt.% or more. <2> magnesia content is 0.1 to 1.0 wt.%. <3> silica content is 0.10 wt.% or less. <4> weight ratio of magnesia and silica (magnesia/silica) is 2.0 or more. <5> bulk density is 3.85 g/cmor more. <6> average crystal particle diameter is 3 to 20 μm. <7> a ratio of MgAlOspinel and alumina (MgAlOspinel/alumina) is 0.01 to 0.07.SELECTED DRAWING: None
【課題】高温特性及び耐食性に優れたアルミナ焼結体の提供【解決手段】要件＜１＞〜＜７＞を満たすアルミナ焼結体。＜１＞アルミナ含有量が９８．３重量％以上＜２＞マグネシア含有量が０．１〜１．０重量％＜３＞シリカ含有量が０．１０重量％以下＜４＞マグネシアとシリカの重量比（マグネシア／シリカ）が２．０以上＜５＞かさ密度が３．８５ｇ／ｃｍ３以上＜６＞平均結晶粒径が３〜２０μｍ＜７＞ＭｇＡｌ２Ｏ４スピネルとアルミナの結晶相量の比（ＭｇＡｌ２Ｏ４スピネル／アルミナ）が０．０１〜０．０７【選択図】なし
ALUMINA SINTERED BODY EXCELLENT IN HIGH TEMPERATURE AND CORROSION RESISTANCE
高温特性及び耐食性に優れたアルミナ焼結体
SAKAGUCHI YUSUKE (Autor:in) / TAKIMOTO TAIKI (Autor:in) / ONISHI KOJI (Autor:in)
01.06.2017
Patent
Elektronische Ressource
Japanisch
IPC:
C04B
Kalk
,
LIME
BN SINTERED COMPACT HAVING EXCELLENT CORROSION RESISTANCE
| Europäisches Patentamt | 2017