XA16 ( Al2O3 )
Reference: NIST Technical Note
Reference: NIST Structural Ceramics Database
Note: About Property Data Summaries.
Note: Abbreviations and Other Notes
Note: Other Materials
Material Summary:
[Ref. 1,2,3]
Manufacturer: Alcoa
Material Designation: XA16
Material Form: Polycrystalline
Composition: Al2O3
Processing: Sintered at various temperatures and times.
References:
[1] L. A. Simpson, "Effect of Microstructure on Measurements of Fracture Energy of Al2O3"
Journal of the American Ceramic Society, Vol. 56, No. 1, pp. 7-11 (1973).
[2] L. A. Simpson, "Microstructural Considerations for the Application of Fracture Mechanics Techniques"
Fracture Mechanics of Ceramics, Vol. 2, pp. 567-577 (1974).
[3] A. G. Evans and G. Tappin, "Effects of Microstructure on the Stress to Propagate Inherent Flaws"
Proceedings of the British Ceramic Society, No. 20, pp. 275-297 (1972).
Property Table:
Temperature = 23 °C
Grain Porosity Fracture Fracture Measurement Measurement Comments
Size Toughness Energy Method Environment
[µm] [%] [MPa·m1/2] [J/m2]
------ -------- ------------ --------- ----------- ----------- ----------------------------
0.53 10 11.5(20) WOF air Ref. 1; Connected porosity
11.9(17) SENB
1.3 8 15.3(28) SENB
15.8(15) SENB
17.9(22) WOF
0.89 6 26.8(15) SENB
1.5 6 15(3) WOF
22.5(20) SENB
1.8 6 27.1(41) SENB
1.3 5 31.4(83) SENB
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3.3 5 22.7(31) WOF air Ref. 1; Partially connected porosity
22.6(10) SENB
4.1 5 23.1(14) WOF
24.5(46) SENB
1.8 2.5 30 WOF(extrapolated)
22.2(9) SENB
1.9 2.5 26 WOF(extrapolated)
25.1(31) SENB
2.6 2.5 24.7(28) SENB
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1.3 4.1 36.7(60) SENB air Ref. 1; Closed porosity
1.3 2.9 35 WOF(extrapolated)
43.2(14) SENB
2.7 2.9 38.0(32) SENB
3.7 2.0 36.3(20) SENB
5.0 1.2 36.5(12) SENB
7.2 1.0 31.1(25) SENB
14.1 1.5 47.3(16) WOF
30.0(28) SENB
15.6 4.0 38.9(28) WOF
17.8 3.0 38.6(44) SENB
18.5 1.5 39.6(31) SENB
22.8 3.5 36.2(20) WOF
22.6(14) SENB
22.8 2.0 30.0(32) SENB
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3 22.5(30) SENB air Ref. 2
20.8(11) DCB
20 21.1(20) SENB
38.8(30) DCB
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3 5 20(4) SENB air Ref. 3
30 5 20(4) SENB
100 5 10(3) SENB
3 20 16(4) SENB
3 50 10(3) SENB
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