Silicon Nitride Ceramic

Silicon nitride ceramics (Si3N4)

Silicon nitride yumbu mai launin toka mai launin toka tare da babban taurin karaya, kyakkyawan juriya mai zafi, da ingantattun kaddarorin da ba za a iya samun su ba zuwa narkakken karafa.

Yin amfani da waɗannan halaye, ana shafa shi ga sassan injin konewa na ciki kamar sassan injin mota, injin busa bututun walda, da sauransu, musamman sassan da ake buƙatar amfani da su a cikin matsanancin yanayi kamar zafi mai zafi.

Tare da babban juriya na lalacewa da ƙarfin injina, aikace-aikacen sa a cikin sassa na abin nadi, jujjuyawar shaft bearings da kayan aikin samar da kayan aikin semiconductor suna haɓaka koyaushe.

Kaddarorin jiki na kayan silicon nitride

Silicon nitride (Sic)

Launi

Baki

Babban abun ciki

-

Babban fasali

Hasken nauyi, juriya na sawa, juriya mai zafi.

Babban amfani

Abubuwan da ke jure zafi, sa sassa masu juriya, sassan juriya na lalata.

Yawan yawa

g/cc

3.2

Hydroscopicity

%

0

Siffar injina

Vickers taurin

GPA

13.9

Karfin lankwasawa

MPa

500-700

Ƙarfin matsi

MPa

3500

Matasa modules

GPA

300

Rabon Poisson

-

0.25

Karya tauri

MPA·m1/2

5-7

Halin thermal

Ƙididdigar faɗaɗawar layi

40-400 ℃

x10-6 / ℃

2.6

Ƙarfafawar thermal

20°

W/ (m·k)

15-20

Musamman zafi

J/ (kg·k) x103

 

Halin lantarki

Adadin juriya

20 ℃

Ω · cm

> 1014

Dielectric ƙarfi

 

KV/mm

13

Dielectric akai-akai

 

-

 

Dielectric hasara coefficient

 

x10-4

 

Siffar sinadarai

Nitric acid

90 ℃

Rage nauyi

<1.0<>

Vitriol

95 ℃

<0.4<>

Sodium hydroxide

80 ℃

<3.6<>