Silicon Nitride Ceramic

Silicon nitride ceramics (Si3N4)

Silicon nitride waa dhoobo cawl leh oo leh jab adag oo jaban, iska caabin shoog kulayl oo aad u fiican, iyo sifooyin aan la dabooli karin oo biraha dhalaalay.

Iyadoo la adeegsanayo sifooyinkan, waxaa lagu dabaqaa qaybaha matoorka gubashada gudaha sida qaybaha mishiinka baabuurta, mishiinka alxanka ee tuubooyinka, iwm, gaar ahaan qaybaha u baahan in loo isticmaalo jawi adag sida kulaylka.

Iyada oo ay iska caabin ah xirashada sare iyo xoogga farsamada sare, codsiyada ay in qaybaha rullaluistemadka, wareegyada usheeda dhexe iyo qalab wax soo saarka semiconductor qaybo si joogto ah u fidin.

Astaamaha jireed ee walxaha nitride silicon

Silikon nitride (Sic)

Midabka

Madow

Waxyaabaha ugu muhiimsan ee ka kooban

-

Muuqaalka ugu muhiimsan

Miisaanka khafiifka ah, xirashada iska caabbinta, iska caabinta heerkulka sare.

Isticmaalka ugu weyn

Qaybaha u adkaysta kulaylka, xidho qaybo adkaysi u leh, qaybo u adkaysta daxalka.

Cufnaanta

g/cc

3.2

Hydroscopicity

%

0

Sifada makaanikada

adkaanta Vickers

GPA

13.9

Xoog laabashada

MPa

500-700

Xoog cadaadis leh

MPa

3500

Hababka dhalinyarada

GPA

300

Saamiga Poisson

-

0.25

adkaanta jabka

MPA·m1/2

5-7

Sifada kulaylka

Isku-dhafka fidinta tooska ah

40-400 ℃

x10-6/℃

2.6

Dhaqdhaqaaqa kulaylka

20°

W/ (m·k)

15-20

Kuleyl gaar ah

J/ (kg·k) x103

 

Sifada korantada

Iska caabin mugga

20℃

Ω·cm

>1014

Awoodda korontada

 

KV/mm

13

Dielectric joogto ah

 

-

 

Isku-dheellitirnaanta lumista Dielectric

 

x10-4

 

Sifada kiimikada

Nitric acid

90℃

Miisaanka oo yaraada

<1.0<>

Vitriol

95℃

<0.4<>

Sodium hydroxide

80℃

<3.6<>