A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CERAMIC FOR HEARTH LINER AND HEARTH LINER
To provide a ceramic for a hearth liner that has a high-melting point, a high stiffness and a low thermal conductivity and is excellent in thermal-shock resistance.SOLUTION: A ceramic used for a hearth liner fitted to an electron beam heating crucible includes, by mass, 15.0-55.0% BN, one or more selected from 5.0-55.0% Si3N4 and 5.0-60.0% ZrO2, and 0-25.0% SiC, and has a porosity of 0.1% or less.SELECTED DRAWING: Figure 1
【課題】高融点、高強度、低熱伝導率であり、かつ耐熱衝撃に優れたハースライナ用セラミックスの提供【解決手段】電子ビーム加熱用ルツボに装着されるハースライナに用いられるセラミックスであって、質量％で、ＢＮ：１５．０～５５．０％と、Ｓｉ３Ｎ４：５．０～５５．０％およびＺｒＯ２：５．０～６０．０％から選択される一種以上と、ＳｉＣ：０～２５．０％と、を含有し、気孔率が０．１％以下である、ハースライナ用セラミックス。【選択図】図１
CERAMIC FOR HEARTH LINER AND HEARTH LINER
To provide a ceramic for a hearth liner that has a high-melting point, a high stiffness and a low thermal conductivity and is excellent in thermal-shock resistance.SOLUTION: A ceramic used for a hearth liner fitted to an electron beam heating crucible includes, by mass, 15.0-55.0% BN, one or more selected from 5.0-55.0% Si3N4 and 5.0-60.0% ZrO2, and 0-25.0% SiC, and has a porosity of 0.1% or less.SELECTED DRAWING: Figure 1
【課題】高融点、高強度、低熱伝導率であり、かつ耐熱衝撃に優れたハースライナ用セラミックスの提供【解決手段】電子ビーム加熱用ルツボに装着されるハースライナに用いられるセラミックスであって、質量％で、ＢＮ：１５．０～５５．０％と、Ｓｉ３Ｎ４：５．０～５５．０％およびＺｒＯ２：５．０～６０．０％から選択される一種以上と、ＳｉＣ：０～２５．０％と、を含有し、気孔率が０．１％以下である、ハースライナ用セラミックス。【選択図】図１
CERAMIC FOR HEARTH LINER AND HEARTH LINER
ハースライナ用セラミックスおよびハースライナ
YAMAGISHI KO (author) / ETO SHUNICHI (author) / KONO HITOSHI (author) / MORI KAZUMASA (author)
2023-01-18
Patent
Electronic Resource
Japanese
| Engineering Index Backfile | 1905
Insulating open-hearth furnaces
| Engineering Index Backfile | 1931
| European Patent Office | 2018