BOSTON PIEZO OPTICS 壓電元件 壓電陶瓷 氧化鋁耐磨板

BOSTON PIEZO OPTICS 壓電元件 壓電陶瓷 氧化鋁耐磨板

Boston Piezo-Optics 提供各種尺寸和厚度的耐磨板 保護傳感器組件的晶體免受腐蝕、滑動磨損、 或高溫。所有耐磨板均按規格制造。

一般規格

MaterialDiameterThicknessSurfaceFlatnessParallelismElectrodes
94% Pink Alumina Oxide0.060″ – 1.250″0.003″ – 0.020″3 micron fine lappedTo within 0.0001″ per 0.500″ of diameterTo within 0.0002″ per 0.500″ of diameterFired Palladium/silver or Fired Gold upon special request

材料特性

Characteristic
Moh’s Hardness9+
Density3.72 g/cm3
Young’s Modulus4.6 x 107?PSI
Modulus of Rigidity1.9 x 107?PSI
Ultrasound Transit Time, Through thickness of:0.005″ = 1.29 x 10-8?sec
0.010″ = 2.68 x 10-8?sec
0.020″ = 5.17 x 10-8?sec

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