Technical data

Measurement

碳化硼

氧化铝

增韧氧化铝

氧化锆

氮化硅

碳化硅

Density

g/cm3

2.4~2.51

3.7~3.99

5.5

6

3.2

3.2

HV Hardness

Kg/mm

2700~3200

2300~2700

1470~1500

1300~1500

1700~2700

2350~2450

Flexural strength

MPa

350~400

300~400

700

1000~1500

900

450~800

Compressive strength

MPa

1800~3500

2800~3500

2000

2000

3500

2250~3000

Kc Impact strength

MPa*m-3/2

6

2~4

5~6

11

7

4~5

韦伯模数

GPa

>7

>10

>15

>15

>6

Emodulus of elastcity

GPa

407

260

210

320

410

Poisson ratio

0.2

0.23

0.3

0.26

0.16

Coefficient of expansion

*10-6/

4.5

6.5~8.5

9.4

10.5

3.2

4.3

Impact strength

200

470

250

500

350

resistivity

0.3~0.8

101