A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
LARGE CERAMIC SHEET AND MANUFACTURING METHOD THEREFOR
To provide a large ceramic sheet satisfying frost damage resistance, strength and thermal shock resistance.SOLUTION: There is provided a large ceramic sheet having water absorption percentage defined in JIS A 1509-3 (2014) of 1% or less, containing mullite as a crystal phase, further containing no quartz or having concentration of the quartz of over 0 mass% and 20 mass% or more if contained, containing a Ca element of over 0 mass% and 1 mass% or less in terms of CaO and a Mg element of over 0 mass% and 1 mass% or less in terms of MgO, containing particles with maximum length of 50 μm or more as a feldspar derived crystalline mineral, in which the particle has area percentage of 3% or more based on all feldspar derived crystalline mineral.SELECTED DRAWING: None
【課題】耐凍害性、強度および耐熱衝撃性を満足する大型セラミック板の提供。【解決手段】ＪＩＳＡ１５０９−３（２０１４）に規定される吸水率が１％以下であり、結晶相としてムライトを含み、さらに、クォーツを含まないか、含む場合は、当該クォーツの濃度が０質量％超過２０質量％以下であり、ＣａＯ換算で０質量％超過１質量％以下のＣａ元素と、ＭｇＯ換算で０質量％超過１質量％以下のＭｇ元素とを含んでなり、長石由来結晶鉱物として、最大長が５０μｍ以上の粒子を含み、かつ当該粒子が全長石由来結晶鉱物に対して３％以上の面積率を有することを特徴とする大型セラミック板。【選択図】なし
LARGE CERAMIC SHEET AND MANUFACTURING METHOD THEREFOR
To provide a large ceramic sheet satisfying frost damage resistance, strength and thermal shock resistance.SOLUTION: There is provided a large ceramic sheet having water absorption percentage defined in JIS A 1509-3 (2014) of 1% or less, containing mullite as a crystal phase, further containing no quartz or having concentration of the quartz of over 0 mass% and 20 mass% or more if contained, containing a Ca element of over 0 mass% and 1 mass% or less in terms of CaO and a Mg element of over 0 mass% and 1 mass% or less in terms of MgO, containing particles with maximum length of 50 μm or more as a feldspar derived crystalline mineral, in which the particle has area percentage of 3% or more based on all feldspar derived crystalline mineral.SELECTED DRAWING: None
【課題】耐凍害性、強度および耐熱衝撃性を満足する大型セラミック板の提供。【解決手段】ＪＩＳＡ１５０９−３（２０１４）に規定される吸水率が１％以下であり、結晶相としてムライトを含み、さらに、クォーツを含まないか、含む場合は、当該クォーツの濃度が０質量％超過２０質量％以下であり、ＣａＯ換算で０質量％超過１質量％以下のＣａ元素と、ＭｇＯ換算で０質量％超過１質量％以下のＭｇ元素とを含んでなり、長石由来結晶鉱物として、最大長が５０μｍ以上の粒子を含み、かつ当該粒子が全長石由来結晶鉱物に対して３％以上の面積率を有することを特徴とする大型セラミック板。【選択図】なし
LARGE CERAMIC SHEET AND MANUFACTURING METHOD THEREFOR
大型セラミック板およびその製造方法
TAKAHASHI HARUKI (author) / IMAI KOJI (author) / TAZAWA SHIORI (author)
2018-11-01
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
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