Elastic Properties of Lucalox Alumina at 25 oC

Pressure

Round-trip travel time

Density

Length

Vp

Vs

Ks

G

(GPa)

tp

(ms)

ts

(mse)

(g/cm3)

(mm)

(km/sec)

(km/sec)

(GPa)

(GPa)

0.00

0.6120

1.0450

3.972

3.340

10.915

6.392

256.8

162.3

1.03

0.6081

1.0412

3.989

3.335

10.970

6.407

261.7

163.7

2.11

0.6035

1.0350

4.005

3.331

11.038

6.436

266.8

165.9

3.20

0.5992

1.0329

4.021

3.326

11.103

6.463

271.7

168.0

4.28

0.5949

1.0237

4.037

3.322

11.168

6.490

276.9

170.1

5.34

0.5913

1.0186

4.053

3.318

11.221

6.514

281.0

171.9

6.33

0.5880

1.0144

4.067

3.314

11.272

6.533

285.3

173.6

7.26

0.5848

1.0103

4.080

3.310

11.320

6.553

289.3

175.2

8.08

0.5822

1.0068

4.092

3.307

11.361

6.569

292.7

176.6

8.78

0.5798

1.0039

4.102

3.304

11.397

6.583

295.9

177.8

9.34

0.5776

1.0012

4.110

3.302

11.434

6.597

298.8

178.8

9.73

0.5769

0.9988

4.115

3.301

11.444

6.610

299.2

179.8

Comparison of Pressure Derivatives for Aluminum Oxide

Reference

Source of Specimen

Bench-top Velocity

P range

 

K0'

G0'
   

Vp(km/s)

Vs (km/s)

(GPa)

    

Schreiber and Anderson (1966)

Lucalox

10.845

6.373

0-0.4

3.98

1.74

Gieske and Barsch (1968)

Single Crystal

10.88*

6.40*

0-1.0

4.3

1.7

This work

(1996)

Lucalox

10.92

6.39

0-9.7

4.4

1.8

*: Hashin-Shtrikman Averages.