A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CERAMIC JOINED BODY
To suppress the generation of microcracks in a joint part and the reduction of bonding strength between a first ceramic member and a second ceramic member.SOLUTION: There is provided a ceramic joined body which comprises a first ceramic member, a second ceramic member and a joint part which joints the first ceramic member and the second ceramic member and is formed of a material having a thermal expansion coefficient larger than that of the first ceramic member and the second ceramic member. At least one cross section of the ceramic joined body, that is, at least one cross section parallel to a first direction where the first ceramic member and the second ceramic member are opposite to each other via the joint part, a region including a first part in which the dimension of the joint part in the first direction is less than D (μm) (provided that D (μm) is 0.5(μm)≤D(μm)≤5(μm)) and a second part in which the dimension of the joint part in the first direction is D (μm) or more exists.SELECTED DRAWING: Figure 5
【課題】接合部におけるマイクロクラックの発生の抑制と、第１のセラミックス部材と第２のセラミックス部材との接合強度の低下の抑制とを図る。【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、第１のセラミックス部材と第２のセラミックス部材とを接合し、熱膨張率が第１のセラミックス部材および第２のセラミックス部材の熱膨張率より大きい材料により形成された接合部と、を備える。セラミックス接合体の少なくとも１つの断面であって、第１のセラミックス部材と第２のセラミックス部材とが接合部を介して対向する第１の方向に平行な少なくとも１つの断面に、第１の方向の接合部の寸法がＤ（μｍ）（但し、Ｄ（μｍ）は、０．５（μｍ） ≦ Ｄ（μｍ） ≦ ５（μｍ）とする）未満である第１の部分と、第１の方向の接合部の寸法がＤ（μｍ）以上である第２の部分とを含む領域が存在する。【選択図】図５
CERAMIC JOINED BODY
To suppress the generation of microcracks in a joint part and the reduction of bonding strength between a first ceramic member and a second ceramic member.SOLUTION: There is provided a ceramic joined body which comprises a first ceramic member, a second ceramic member and a joint part which joints the first ceramic member and the second ceramic member and is formed of a material having a thermal expansion coefficient larger than that of the first ceramic member and the second ceramic member. At least one cross section of the ceramic joined body, that is, at least one cross section parallel to a first direction where the first ceramic member and the second ceramic member are opposite to each other via the joint part, a region including a first part in which the dimension of the joint part in the first direction is less than D (μm) (provided that D (μm) is 0.5(μm)≤D(μm)≤5(μm)) and a second part in which the dimension of the joint part in the first direction is D (μm) or more exists.SELECTED DRAWING: Figure 5
【課題】接合部におけるマイクロクラックの発生の抑制と、第１のセラミックス部材と第２のセラミックス部材との接合強度の低下の抑制とを図る。【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、第１のセラミックス部材と第２のセラミックス部材とを接合し、熱膨張率が第１のセラミックス部材および第２のセラミックス部材の熱膨張率より大きい材料により形成された接合部と、を備える。セラミックス接合体の少なくとも１つの断面であって、第１のセラミックス部材と第２のセラミックス部材とが接合部を介して対向する第１の方向に平行な少なくとも１つの断面に、第１の方向の接合部の寸法がＤ（μｍ）（但し、Ｄ（μｍ）は、０．５（μｍ） ≦ Ｄ（μｍ） ≦ ５（μｍ）とする）未満である第１の部分と、第１の方向の接合部の寸法がＤ（μｍ）以上である第２の部分とを含む領域が存在する。【選択図】図５
CERAMIC JOINED BODY
セラミックス接合体
MITSUYA KOHEI (author) / OGAWA TAKAMICHI (author) / TANGE HIDEO (author) / HOTTA GENKI (author)
2019-02-21
Patent
Electronic Resource
Japanese
CERAMIC JOINED BODY AND METHOD FOR PRODUCING CERAMIC JOINED BODY
| European Patent Office | 2019