SU504736A1 - Piezoceramic material - Google Patents
Piezoceramic materialInfo
- Publication number
- SU504736A1 SU504736A1 SU2010727A SU2010727A SU504736A1 SU 504736 A1 SU504736 A1 SU 504736A1 SU 2010727 A SU2010727 A SU 2010727A SU 2010727 A SU2010727 A SU 2010727A SU 504736 A1 SU504736 A1 SU 504736A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- piezoceramic material
- mechanical quality
- carried out
- quality factor
- piezoceramic
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims description 9
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
Landscapes
- Inorganic Insulating Materials (AREA)
Description
(54) ПЬЕЗОКЕРАМИЧЕСКИЙ МАТЕРИАЛ(54) PIEZOCERAMIC MATERIAL
1one
Изобретение относитс к пьезотехнике и может быть иопользовано дл создани электромеханических преобразователей.The invention relates to a piezo technique and can be used to create electromechanical transducers.
Известен пьезокерамичеокин материал на основе твердых растворов, содержащий РЬТЮз. PbZrOs и Pb(Wi/2-Hg,/2)O3, а также модифицирующие окислы.Known piezoceramics material based on solid solutions containing PtUz. PbZrOs and Pb (Wi / 2-Hg, / 2) O3, as well as modifying oxides.
Однако известный материал характеризуетс сраьнительно невысокими значени ми коэффициента электромеханической св зи и механической добротности.However, the known material is characterized by very low values of the electromechanical coupling coefficient and mechanical quality factor.
Цель изобретени -повысить механическую добротность и коэффициент эле ктромеханичесхой св зи.The purpose of the invention is to increase the mechanical quality factor and the coefficient of electromechanical communication.
Это достигаетс за счет того, что материал дополнительно содержит РЬ (Miu/aWi/a) Оз при следующем соотношении компонентов, мол. %: This is achieved due to the fact that the material additionally contains Pb (Miu / aWi / a) Oz in the following ratio of components, mol. %:
РЬТЮз42.5-50,0PtUz42.5-50,0
PbZrOs39.25-48,7PbZrOs39.25-48,7
Pb(V,/2Mgi/2)O35.55-10,64Pb (V, / 2Mgi / 2) O35.55-10,64
РЬ(;Мп1/2 У)/2)Оз1,50-2,42Pb (; Mn1 / 2 V) / 2) Oz 1.50-2.42
Синтез пьезокерамического материала данного состава провод т по обычной керамической технологии в защитной атмосфере РЬО. Температура синтеза - 700-750С, продолжительность - 4-10 час. Спекание осуществл ют методом гор чего прессовани в течение 40 мин при температуре 1100-1170°С и давлении 200 кГ/см. Пол ризацию образцов ведут в силиконовом масле при 140°С в течение 45 мин в поле напр женностью 2,7- 3,5 кв/м;м.Synthesis of a piezoceramic material of this composition is carried out according to conventional ceramic technology in a protective atmosphere of PbO. The synthesis temperature is 700-750С, the duration is 4-10 hours. Sintering is carried out by hot pressing for 40 minutes at a temperature of 1100-1170 ° C and a pressure of 200 kg / cm. Polarization of the samples is carried out in silicone oil at 140 ° C for 45 minutes in a field with an intensity of 2.7-3.5 sq / m; m.
В таблице приведены электрофизические характеристики полученного материала.The table shows the electrophysical characteristics of the material obtained.
Высокий коэффициент электромехан ческон св зи полученного материала, повышенные ЗЕтачсни механической добротности в сочетании с шикими потер ми (tcS ел. ,15- 0.28%, tg6 -КЗ/см 1.32-1,75 %) позвол ет использовать его дл изготовлени пьезотрансформаторов .The high coefficient of electrical communication between the material obtained and the increased mechanical quality factor combined with high losses (tcS el, 15– 0.28%, tg6 –3.3 cm / cm 1.32–1.75%) allows it to be used to make piezo transformers.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2010727A SU504736A1 (en) | 1974-04-02 | 1974-04-02 | Piezoceramic material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2010727A SU504736A1 (en) | 1974-04-02 | 1974-04-02 | Piezoceramic material |
Publications (1)
Publication Number | Publication Date |
---|---|
SU504736A1 true SU504736A1 (en) | 1976-02-28 |
Family
ID=20580303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU2010727A SU504736A1 (en) | 1974-04-02 | 1974-04-02 | Piezoceramic material |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU504736A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4954464A (en) * | 1988-11-30 | 1990-09-04 | Goldstar Co., Ltd. | Low temperature sintered dielectric ceramic composition |
US4985381A (en) * | 1989-02-23 | 1991-01-15 | Murata Manufacturing Co., Ltd. | Dielectric ceramic composition |
US5439857A (en) * | 1993-06-30 | 1995-08-08 | Murata Manufacturing Co., Ltd. | Dielectric ceramic composition |
-
1974
- 1974-04-02 SU SU2010727A patent/SU504736A1/en active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4954464A (en) * | 1988-11-30 | 1990-09-04 | Goldstar Co., Ltd. | Low temperature sintered dielectric ceramic composition |
US4985381A (en) * | 1989-02-23 | 1991-01-15 | Murata Manufacturing Co., Ltd. | Dielectric ceramic composition |
US5439857A (en) * | 1993-06-30 | 1995-08-08 | Murata Manufacturing Co., Ltd. | Dielectric ceramic composition |
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