Ukwethulwa kwe-Quartz Fiber:
Amandla aqinile i-7GPa, i-tensile modulus 70GPa, ukuhlanzeka kwe-SiO2 kwe-quartz fiber kungaphezu kwama-99.95%, ngobuningi be-2.2g / cm3.
Kuyinto eguquguqukayo ye-fiber material ene-dielectric engaguquki kanye nokumelana nokushisa okuphezulu. Intambo ye-quartz fiber inezinzuzo eziyingqayizivele emkhakheni wezinga lokushisa eliphezulu kakhulu kanye ne-aerospace, ithatha indawo enhle ye-E-glass, i-silica ephezulu, ne-basalt fiber, ethatha indawo ye-aramid ne-carbon fiber. Ngaphezu kwalokho, i-coefficient yayo yokwandisa eqondile incane, futhi i-elastic modulus iyanda lapho izinga lokushisa likhuphuka, okuyinto eyivelakancane kakhulu.
Ukuhlaziywa kokwakheka kwamakhemikhali kwe-quartz fiber
SiO2 | Al | B | Ca | Cr | Cu | Fe | K | Li | Mg | Na | Ti |
>99.99% | 18 | <0.1 | 0.5 | <0.08 | <0.03 | 0.6 | 0.6 | 0.7 | 0.06 | 0.8 | 1.4 |
Pukusebenza kahle:
1. Izakhiwo ze-Dielectric: i-dielectric engaguquki
I-quartz fiber inezici ezinhle kakhulu ze-dielectric, ikakhulukazi izakhiwo ze-dielectric ezinzile kumafrikhwensi aphezulu kanye namazinga okushisa aphezulu. Ukulahleka kwe-dielectric kwe-quartz fiber kungu-1/8 kuphela we-D-glass Ku-1MHz. Uma izinga lokushisa lingaphansi kuka-700 ℃, ukulahlekelwa kwe-dielectric njalo kanye ne-dielectric ye-quartz fiber akushintshi ngokushisa.
2.Ukumelana nezinga lokushisa eliphakeme kakhulu, impilo ende ekushiseni kwe-1050℃-1200℃, izinga lokushisa elithambile elingu-1700 ℃, ukumelana nokushaqeka okushisayo, impilo ende yesevisi
3. I-thermal conductivity ephansi, i-coefficient encane yokwandisa ukushisa okungu-0.54X10 kuphela-6/K, okuyingxenye yeshumi ye-fiber yengilazi evamile, ekwazi ukumelana nokushisa kanye ne-heat-insulated
4. Amandla aphezulu, awekho ama-micro-cracks phezulu, amandla aqinile afika ku-6000Mpa, okuphindwe ka-5 kune-silica fiber ephezulu, ngo-76.47% ephakeme kunaleyo ye-E-glass fiber.
5. Ukusebenza kahle kokufakwa kukagesi, ukumelana nokumelana 1X1018Ω·cm~1X106Ω·cm ekushiseni okungu-20 ℃ ~ 1000 ℃. An ekahle kagesi insulating impahla
6. Izakhiwo zamakhemikhali ezizinzile, i-acidic, i-alkali, izinga lokushisa eliphezulu, amakhaza, ukumelana nokuqina okunwebekayo. Ukumelana nokugqwala
Ukusebenza |
| Iyunithi | Inani | |
Izici ezingokomzimba | Ukuminyana | g/cm3 | 2.2 | |
Ukuqina | Mohs | 7 | ||
Poisson coefficient | 0.16 | |||
Isivinini sokusabalalisa kwe-Ultrasonic | Ukuma ngobude | m·s | 5960 | |
Evundlile | m·s | 3770 | ||
I-coefficient ye-damping yangaphakathi | dB/(m·MHz) | 0.08 | ||
Ukusebenza kukagesi | I-10GHz dielectric njalo | 3.74 | ||
I-10GHz dielectric loss coefficient | 0.0002 | |||
Amandla e-Dielectric | V·m-1 | ≈7.3×107 | ||
Ukumelana no-20 ℃ | Ω·m | 1×1020 | ||
Ukumelana no-800 ℃ | Ω·m | 6×108 | ||
I-Resistivity ku-V1000 ℃ | Ω·m | 6×108 | ||
Ukusebenza okushisayo | I-coefficient yokwandisa ukushisa | K-1 | 0.54×10-6 | |
Ukushisa okuqondile ku-20 ℃ | J·kg-1·K-1 | 0.54×10-6 | ||
Thermal conductivity at 20 ℃ | W·m-1·K-1 | 1.38 | ||
Ukushisa kwe-Annealing (log10η=13) | ℃ | 1220 | ||
Izinga lokushisa elithambile (log10η=7.6) | ℃ | 1700 | ||
Ukusebenza kwe-Optical | Inkomba ye-refractive | 1.4585 |
Meyi-12-2020