A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
FILLER FOR PIEZOELECTRIC MATERIAL, COMPOSITE PIEZOELECTRIC MATERIAL, AND COMPOSITE PIEZOELECTRIC DEVICE
To provide a filler for piezoelectric materials which has excellent piezoelectric characteristics, and a composite piezoelectric material which includes the filler for piezoelectric materials and a polymer matrix.SOLUTION: A filler for piezoelectric materials provided as alkali niobate compound particles is characterized in that the ratio (K/(Na+K)) of the number of moles of potassium to the total number of moles of sodium and potassium in terms of atoms is 0.460-0.495, and the ratio ((Li+Na+K)/Nb) of the total numbers of moles of alkali metal elements to the number of moles of niobium in terms of atoms is 0.995-1.005.SELECTED DRAWING: Figure 1
【解決課題】優れた圧電特性を有する圧電体材料用フィラーを提供すること及び該圧電体材料用フィラーと高分子マトリックスからなる複合圧電体材料を提供すること。【解決手段】原子換算でナトリウム及びカリウムのモル数の合計に対するカリウムのモル数の比（Ｋ／（Ｎａ＋Ｋ））が０．４６０〜０．４９５であり、且つ、原子換算でニオブのモル数に対するアルカリ金属元素のモル数の合計の比（（Ｌｉ＋Ｎａ＋Ｋ）／Ｎｂ）が０．９９５〜１．００５であるニオブ酸アルカリ化合物粒子であることを特徴とする圧電体材料用フィラー。【選択図】図１
FILLER FOR PIEZOELECTRIC MATERIAL, COMPOSITE PIEZOELECTRIC MATERIAL, AND COMPOSITE PIEZOELECTRIC DEVICE
To provide a filler for piezoelectric materials which has excellent piezoelectric characteristics, and a composite piezoelectric material which includes the filler for piezoelectric materials and a polymer matrix.SOLUTION: A filler for piezoelectric materials provided as alkali niobate compound particles is characterized in that the ratio (K/(Na+K)) of the number of moles of potassium to the total number of moles of sodium and potassium in terms of atoms is 0.460-0.495, and the ratio ((Li+Na+K)/Nb) of the total numbers of moles of alkali metal elements to the number of moles of niobium in terms of atoms is 0.995-1.005.SELECTED DRAWING: Figure 1
【解決課題】優れた圧電特性を有する圧電体材料用フィラーを提供すること及び該圧電体材料用フィラーと高分子マトリックスからなる複合圧電体材料を提供すること。【解決手段】原子換算でナトリウム及びカリウムのモル数の合計に対するカリウムのモル数の比（Ｋ／（Ｎａ＋Ｋ））が０．４６０〜０．４９５であり、且つ、原子換算でニオブのモル数に対するアルカリ金属元素のモル数の合計の比（（Ｌｉ＋Ｎａ＋Ｋ）／Ｎｂ）が０．９９５〜１．００５であるニオブ酸アルカリ化合物粒子であることを特徴とする圧電体材料用フィラー。【選択図】図１
FILLER FOR PIEZOELECTRIC MATERIAL, COMPOSITE PIEZOELECTRIC MATERIAL, AND COMPOSITE PIEZOELECTRIC DEVICE
圧電体材料用フィラー、複合圧電体材料及び複合圧電体素子
TANABE SHINJI (author) / KUNIDA HAJIME (author) / KIKUCHI SHUNSUKE (author)
2018-12-13
Patent
Electronic Resource
Japanese
Composite piezoelectric material and application thereof
| European Patent Office | 2024