SU1357396A1 - Ceramic material - Google Patents
Ceramic material Download PDFInfo
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- SU1357396A1 SU1357396A1 SU864003651A SU4003651A SU1357396A1 SU 1357396 A1 SU1357396 A1 SU 1357396A1 SU 864003651 A SU864003651 A SU 864003651A SU 4003651 A SU4003651 A SU 4003651A SU 1357396 A1 SU1357396 A1 SU 1357396A1
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- USSR - Soviet Union
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- sintering
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Abstract
Изобретение относитс к пьезо- ;керамическим материалам, используемым дл изгоо овлени пьезопреобразовате- лей, датчиков. С целью повышени пье- зоактивности вольфрамат висмута модифицируетс 3-5 мас.% оксидом сурьмы. Пьезокерамический материал обладает следующими характеристиками при комнатной температуре: механическа добротность 5140-6680; диэлектрические потери 0,02-0,06; диэлектрическа проницаемость 50-65; пьезомодуль d,, (2,44-3,13) 10 -12The invention relates to piezoelectric materials used in the manufacture of piezo transducers and sensors. In order to increase the piezoactivity, bismuth tungstate is modified with 3-5 wt.% Antimony oxide. The piezoceramic material has the following characteristics at room temperature: mechanical Q of 5140-6680; dielectric loss 0.02-0.06; dielectric constant 50-65; Piezomodul d ,, (2,44-3,13) 10 -12
Description
Изобретение может быть использовано в электронной и радиотехнической промышленности в виде различных пье- зопреобразователей, работающих в широком диапазоне температур.The invention can be used in the electronic and radio industry in the form of various piezo transducers operating in a wide temperature range.
Цель изобретени - получение пье- зоактивного материала.The purpose of the invention is to obtain a piezoactive material.
Дл изготовлени пьезокерамики используют оксиды BijO,, WO,, ЗЬгОу-. Синтез проводитс при 780°С. Образцы дл синтеза прессуют в диски диаметром 30 мм под давлением 700 кг/см. Смешивание оксидов и из- мел чение синтезированного материала провод т в шмовом барабане,, 20 ч в среде изопропилового спирта. ОксидFor the manufacture of piezoelectric ceramics, oxides BijO ,, WO ,, ThrO-. Synthesis is carried out at 780 ° C. Samples for synthesis are pressed into disks with a diameter of 30 mm under a pressure of 700 kg / cm. The mixing of oxides and the grinding of the synthesized material are carried out in a shmovoy drum for 20 hours in isopropyl alcohol. Oxide
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU864003651A SU1357396A1 (en) | 1986-01-21 | 1986-01-21 | Ceramic material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU864003651A SU1357396A1 (en) | 1986-01-21 | 1986-01-21 | Ceramic material |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1357396A1 true SU1357396A1 (en) | 1987-12-07 |
Family
ID=21214918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU864003651A SU1357396A1 (en) | 1986-01-21 | 1986-01-21 | Ceramic material |
Country Status (1)
Country | Link |
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SU (1) | SU1357396A1 (en) |
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1986
- 1986-01-21 SU SU864003651A patent/SU1357396A1/en active
Non-Patent Citations (1)
Title |
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За вка JP № 59-18807, кл. Н 01 В 3/12, опублик. 01.05.84. Wolfe R.W., Newnaht R.E. and Kay M.I. Crystal Structure of . Solid State Communications. 1969, V. 7, p. 1797-1801. * |
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