未标题-1(8)

izindaba

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

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