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CERAMIQUE HAUTE TENEUR ALUMINE [2 records]
Record 1 - internal organization data 1989-07-30
Record 1, English
Record 1, Subject field(s)
- Industrial Ceramics
Record 1, Main entry term, English
- high-purity alumina
1, record 1, English, high%2Dpurity%20alumina
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Alumina having over 99 percent purity of Al203. 1, record 1, English, - high%2Dpurity%20alumina
Record number: 1, Textual support number: 1 OBS
The expression "Al203" is written Al subscript 2 O subscript 3" in the text. 2, record 1, English, - high%2Dpurity%20alumina
Record 1, French
Record 1, Domaine(s)
- Céramiques industrielles
Record 1, Main entry term, French
- alumine à haute pureté
1, record 1, French, alumine%20%C3%A0%20haute%20puret%C3%A9
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- alumine frittée 1, record 1, French, alumine%20fritt%C3%A9e
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Céramique à haute teneur en alumine. On dénomme alumines frittées les compositions dont la teneur en alumine est supérieure à 80%, concentration nécessaire pour que les mécanismes de frittage apparaissent préférentiellement à ceux de la cuisson céramique [...] 1, record 1, French, - alumine%20%C3%A0%20haute%20puret%C3%A9
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1989-07-15
Record 2, English
Record 2, Subject field(s)
- Chemical Elements and Compounds
Record 2, Main entry term, English
- high-alumina ceramic
1, record 2, English, high%2Dalumina%20ceramic
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
The high alumina (Al2O3 75-99 percent) ceramics have very good mechanical characteristics at room temperature and elevated temperatures. They also have good dielectric loss properties which persist at low and high frequencies. They can be used at low and high temperatures and have high resistivity, high thermal conductivity, and good thermal shock properties. High-alumina ceramic is one of the best all-around insulations available. It is produced commercially in compositions of up to 99 percent alumina. It has permanent dimensional stability, extreme hardness, chemical inertness, high strength, high impact resistance, vacuum-tightness, high operating temperature, and relatively high thermal conductivity. 1, record 2, English, - high%2Dalumina%20ceramic
Record number: 2, Textual support number: 1 OBS
The expression "Al2O3 75-99 percent" is written "Al2 O3 75-99 percent" in the text. 2, record 2, English, - high%2Dalumina%20ceramic
Record 2, French
Record 2, Domaine(s)
- Éléments et composés chimiques
Record 2, Main entry term, French
- céramique à haute teneur en alumine
1, record 2, French, c%C3%A9ramique%20%C3%A0%20haute%20teneur%20en%20alumine
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- alumine frittée 1, record 2, French, alumine%20fritt%C3%A9e
correct, feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Céramiques à haute teneur en alumine. On dénomme alumines frittées les compositions dont la teneur en alumine est supérieure à 80% [...] Les alumines les plus performantes sont généralement les plus pures (A1203>99,5%) [...] 1, record 2, French, - c%C3%A9ramique%20%C3%A0%20haute%20teneur%20en%20alumine
Record number: 2, Textual support number: 1 OBS
La dimension [des cristaux] et leur répartition [...] régissent directement les propriétés mécaniques [des alumines frittées] et influent grandement sur les autres propriétés (électriques, optiques, thermiques). 1, record 2, French, - c%C3%A9ramique%20%C3%A0%20haute%20teneur%20en%20alumine
Record 2, Spanish
Record 2, Textual support, Spanish
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