Description:
ultrasonic piezoelectric transducer1)high cold and heat strike degeneration
2)medium consumption is small
3)high flexural st
Ceramics goods ultrasonicpiezoelectric transducer
1. Ceramic productperformance parameter list
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| Item | TestCondition | Unit Symbol | 95%Al2O3 | 99%Al2O3 | ZrO2 | Si3N4 |
| Bulk Density | g/cm3 | ≥3.6 | ≥3.7 | ≥5.8 | ≥3.2 | |
| Acid Resistance | 1:9HCl | mg/cm2 | ≤7 | ≤0.7 | ||
| Alkali Resistance | 10% NaOH | mg/cm2 | ≤0.2 | ≤0.1 | ||
| Tensile Strength | 25°C | Mpa | ≥160 | ≥190 | ≥320 | |
| Flexural Strength | 25°C | Mpa | ≥280 | ≥300 | ≥1000 | ≥700 |
| Thermal Shock Resistance | The sample in 800±10°Cheating furnace heat preservation 30 minutes, removed in a asbestosboard, naturally cooled to room temperature, repeat 10 times, nocrack and burst phenomenon. | |||||
| Coefficient of LinearExpansion | 20-500°C | 1X 10-6/°C | 6.5-7.5 | 6.5-7.5 | 9.5-10.5 | 3.1-3.3 |
| 20-800°C | 1X 10-6/°C | 6.5-8.5 | 6.5-8.5 | 9.5-10.5 | 3.1-3.3 | |
| Young''s Modulus of Elasticity | Gpa | ≥280 | ≥280 | ≥210 | ≥300 | |
| Dielectric Loss | 1MHz 20°C | 1X 10-4 | ≤4 | ≤2.5 | ||
| Dielectric Constan | 1MHz 20°C | 9-10 | 9-10.5 | |||
| Volume Resistivity | 100°C | Ωcm | ≥1013 | ≥1013 | ||
| 300°C | Ωcm | ≥1010 | ≥1010 | ≥1010 | ≥1018 | |
| 500°C | Ωcm | ≥108 | ≥109 | |||
| Dc Breakdown Strength | D.C. | Kv/mm | ≥18 | ≥15 | ||
| Vickers Hardness | Mpa | 1600 | 1650 | 1200 | 1600 | |
| Fracture Toughness | MPam½ | 3.8 | 4.2 | 10 | 7 | |
| Poisson''s Ratio | 0.22 | 0.25 | 0.3 | 0.25 | ||
2. AL2O3performanceparameters
3.MgO/Al2O3/SiO2Performance parameters
4. Talc magneticPerformance parameters
5. More pictures ofthe production
6.Introduction of thecompany
Our factory located inthe scenic taihu coast, 104 State Road Tao is Yixing, theenvironment, transport facilities. Professional companies porcelainpieces of electronic appliances, textile porcelain pieces, ceramicsbased films, 95 different porcelain, 99 porcelain, HF porcelain,titanium porcelain. Porcelain with high mechanical strength,hardness large, resistant to wear and tear, with stand hightemperatures, chemical resistance, corrosive characteristics of thegood. Widely used in machinery, electronics, chemical, textile,metallurgy, construction and aerospace fields.
In a marketeconomy situation, enterprises in a spirit of ''truth-seeking,innovative, pioneering, progressive'' spirit, relying on a numberof research institution, universities technical resources andcombine their scientific and humanization of the management system,the stability of a vibrant enterprise teams, as independent R&Dand production of special ceramics strong backing, with the inputof production equipment, processes updated technological contentand quality of products is constantly increasing, according to theneeds of users with trustworthy ceramic products.
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