ng>名ng>

ng>ユニットng>

ng>アルミナng>

ng>ジルコニアng>

ng>含有量ng>

%

・ge; 95

・ge; 99

・ge; 99.7

・ge; 94

ng>密度ng>

G/cm3

3.65

3.80

3.90

6.00

ng>(hv硬度0.5)ng>

gpa

13.1

15.0

17.1

13.2

ng>曲げ強度ng>

ng> ng>

Mpa・ge;

340

310

370

1000

ng>弾力性ng>

gpa

300

330

350

200

ng>Poisson's比ng>

ng> ng>

0.23

0.23

0.23

0.30

ng>最大tem。ng>

・度; c& ge;

1400

1750

1800

1050

ng>熱膨張ng>

・回; 10-6/・度; c( 40- 800・度であり、 c)

7.8

8.0

8.0

11.0

ng>熱伝導率ng>

ng> ng>

W/m& middot; k( 20・度であり、 c)

22

28

31

2.6

ng>熱抵抗ng>

・度; c

200

200

230

300

ng>絶縁耐力ng>

ng> ng>

V/m

15・回; 106

15・回; 106

15・回; 106

11・回; 106

ng>誘電体位相角ng>

ng>(1mhz) のng>

・回; 10-4

4

2

1

16

ng>Sic( 1mhz) のng>

9.2

9.8

9.9

33

ng>硝酸ng>

ng>(60％) 90・度; cng>

重量損失mg/cm2/day・ル;

0.12

0.10

0.05

・ne; 0

ng>ナトリウムhudroxideng>

ng>(30％) 80・度; cng>

重量損失mg/cm2/day・ル;

0.53

0.26

0.04

0.08