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ASTM-C1322:2005 Edition

ASTM-C1322:2005 Edition

$63.38

C1322-05be1 Standard Practice for Fractography and Characterization of Fracture Origins in Advanced Ceramics

Published By Publication Date Number of Pages
ASTM 2005 51
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1.1 The objective of this practice is to provide an efficient and consistent methodology to locate and characterize fracture origins in advanced ceramics. It is applicable to advanced ceramics which are brittle; that is, the material adheres to Hooke’s Law up to fracture. In such materials, fracture commences from a single location which is termed the fracture origin. The fracture origin in brittle ceramics normally consists of some irregularity or singularity in the material which acts as a stress concentrator. In the parlance of the engineer or scientist, these irregularities are termed flaws or defects. The latter should not be construed to mean that the material has been prepared improperly or is somehow faulty.

1.2 Although this practice is primarily intended for laboratory test piece analysis, the general concepts and procedures may be applied to component failure analyses as well. In many cases, component failure analysis may be aided by cutting laboratory test pieces out of the component. Information gleaned from testing the laboratory pieces (for example, flaw types, general fracture features, fracture mirror constants) may then aid interpretation of component fractures. For more information on component fracture analysis, see Ref (1) .

1.3 This practice supersedes Military Handbook 790.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
2 Summary of Practice
3 Significance and Use
FIG. 1
4 Apparatus
Detailed Procedures and Characterization
5 TABLE 1
7 FIG. 2
8 FIG. 3
FIG. 4
11 FIG. 5
TABLE 2
12 FIG. 6
13 FIG. 7
14 FIG. 8
15 Report
FIG. 9
16 FIG. 10
17 Keywords
18 X1. EXAMPLES OF FRACTURE ORIGINS IN ADVANCED CERAMICS
X1.1
FIG. 11
19 FIG. X1.1
20 FIG. X1.2
21 FIG. X1.3
22 FIG. X1.4
23 FIG. X1.5
24 FIG. X1.6
25 FIG. X1.7
26 FIG. X1.8
27 FIG. X1.9
28 FIG. X1.10
29 FIG. X1.11
30 FIG. X1.12
31 FIG. X1.13
32 FIG. X1.14
33 FIG. X1.15
34 X2. A SELECT BIBLIOGRAPHY ON FRACTOGRAPHY AND ORIGINS IN CERAMICS
X2.1 Books and Articles on Advanced Ceramics Fractography
X2.2 Microscopic Techniques
X2.3 Fracture Mechanics—Stress Intensity Factors
35 X3. SYNOPSIS OF ARL-TR-656
X3.1
X3.2
X4. FRACTOGRAPHIC EQUIPMENT
X4.1
36 FIG. X4.1
FIG. X4.2
37 FIG. X4.3
FIG. X4.4
38 X5. COMMON CONTAMINANTS ON CERAMIC FRACTURE SURFACES
X5.1
FIG. X4.5
FIG. X5.1
39 FIG. X5.2
FIG. X5.3
40 FIG. X5.4
FIG. X5.5
41 X6. TYPICAL FRACTURE PATTERNS IN CERAMIC TEST SPECIMENS
X6.1
FIG. X6.1
42 FIG. X6.2
43 X7. MIRROR AND BRANCHING CONSTANTS FOR GLASSES AND ADVANCED CERAMICS
X7.1
TABLE X7.1
46 X8. COMPLICATIONS IN COMPARING CALCULATED AND MEASURED ORIGIN SIZES
X8.1
X8.2
X8.3
TABLE X8.1
47 X9. SCHEMATICS OF MACHINING DAMAGE CRACKS IN CERAMICS AND GLASSES
X9.1
FIG. X9.1
48 FIG. X9.2
49 FIG. X9.3
50 REFERENCES

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