These targets are normally available for immediate shipment from stock. Other sizes are available to special order.
订货号 | 包装规格 |
Disc |
159-891-36 | 50mm |
316-774-42 | 75mm |
产品参数
Diameter[直径] | 50mm - 75mm |
Purity[纯度] | 99.0% |
Thickness[厚度] | 3mm |
Pultrusion(挤拉成型) |
Compressive strength ( MPa ) | 1100 |
Chemical Resistance(耐化学性) |
Acids - concentrated | Good |
Acids - dilute | Good |
Alkalis | Fair |
Halogens | Good |
Metals | Fair |
Physical Properties(物理性质) |
Apparent porosity ( % ) | 0.00 |
Density ( g cm⁻³ ) | 2.200 |
Refractive index | 1.460 |
Useful optical transmission range | 180 - 2500 nm |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 0.540 @20-1000 |
Melting point ( C ) | 1715.00 |
Specific heat ( J K⁻¹ kg⁻¹ ) | 670.0 - 740.0 @25℃ |
Thermal conductivity ( W m⁻¹ K⁻¹ ) | 1.46 @20℃ |
Upper continuous use temperature ( C ) | 1100 - 1400 |
Electrical Properties(电气特性) |
Dielectric constant | 3.8 |
Dielectric strength ( kV mm⁻¹ ) | 25.0 - 40.0 |
Volume resistivity ( Ohmcm ) | 10¹⁸@25℃ |
Mechanical Properties(机械性能) |
Hardness - Knoop ( kgf mm⁻² ) | 820 |
Hardness - Vickers ( kgf mm⁻² ) | 1000 |
Shear strength ( MPa ) | 70 |
Tensile modulus ( GPa ) | 72.00 - 74.00 |
Tensile strength ( MPa ) | 48.00 |
其他参数
公差