A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CERAMIC JOINED BODY
To improve a strength of a joint portion in a direction substantially perpendicular to a first direction.SOLUTION: The ceramic joined body includes a first ceramic member, a second ceramic member, and a joint portion joining both of them, containing at least one of ceramics and glass as a main component, and formed of a material having a thermal expansion coefficient different from the thermal expansion coefficient of at least one of constituent materials such as the first ceramic member. There is a specific region that includes, in at least one specific cross section substantially perpendicular to the first direction, a plurality of ceramic particles and the constituent materials of the joint portion existing between the ceramic particles, in which a ratio of the number of specific ceramic particles having a roundness of 0.4 or more is 50% or more for a total number of the plurality of the ceramic particles.SELECTED DRAWING: Figure 5
【課題】接合部の第１の方向に略垂直な方向における強度を向上させる。【解決手段】セラミックス接合体は、第１のセラミックス部材と、第２のセラミックス部材と、両者を接合し、セラミックスとガラスとの少なくとも一方を主成分として含み、熱膨張率が第１のセラミックス部材等の少なくとも一方の形成材料の熱膨張率とは異なる材料により形成されている接合部と、を備える。第１の方向に略垂直な少なくとも１つの特定断面に、複数のセラミックス粒子と、セラミックス粒子同士の間に介在する接合部の形成材料と、を含む特定領域であって、複数のセラミックス粒子の総数に対して、円磨度が０．４以上である特定セラミックス粒子の数の割合が５０％以上である特定領域、が存在している。【選択図】図５
CERAMIC JOINED BODY
To improve a strength of a joint portion in a direction substantially perpendicular to a first direction.SOLUTION: The ceramic joined body includes a first ceramic member, a second ceramic member, and a joint portion joining both of them, containing at least one of ceramics and glass as a main component, and formed of a material having a thermal expansion coefficient different from the thermal expansion coefficient of at least one of constituent materials such as the first ceramic member. There is a specific region that includes, in at least one specific cross section substantially perpendicular to the first direction, a plurality of ceramic particles and the constituent materials of the joint portion existing between the ceramic particles, in which a ratio of the number of specific ceramic particles having a roundness of 0.4 or more is 50% or more for a total number of the plurality of the ceramic particles.SELECTED DRAWING: Figure 5
【課題】接合部の第１の方向に略垂直な方向における強度を向上させる。【解決手段】セラミックス接合体は、第１のセラミックス部材と、第２のセラミックス部材と、両者を接合し、セラミックスとガラスとの少なくとも一方を主成分として含み、熱膨張率が第１のセラミックス部材等の少なくとも一方の形成材料の熱膨張率とは異なる材料により形成されている接合部と、を備える。第１の方向に略垂直な少なくとも１つの特定断面に、複数のセラミックス粒子と、セラミックス粒子同士の間に介在する接合部の形成材料と、を含む特定領域であって、複数のセラミックス粒子の総数に対して、円磨度が０．４以上である特定セラミックス粒子の数の割合が５０％以上である特定領域、が存在している。【選択図】図５
CERAMIC JOINED BODY
セラミックス接合体
MITSUYA KOHEI (author) / TANGE HIDEO (author) / HOTTA GENKI (author) / OGAWA TAKAMICHI (author)
2020-03-26
Patent
Electronic Resource
Japanese
CERAMIC JOINED BODY AND METHOD FOR PRODUCING CERAMIC JOINED BODY
| European Patent Office | 2019