ASTM E 399 : 2012 : EDT 1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
11-11-2014
English
11-15-2012
1.1This test method covers the determination of fracture toughness (KIc) of metallic materials under predominantly linear-elastic, plane-strain conditions using fatigue precracked specimens having a thickness of 1.6 mm (0.063 in.) or greater2 subjected to slowly, or in special (elective) cases rapidly, increasing crack-displacement force. Details of test apparatus, specimen configuration, and experimental procedure are given in the Annexes.
1.2This test method is divided into two parts. The first part gives general recommendations and requirements for K Ic testing. The second part consists of Annexes that give specific information on displacement gage and loading fixture design, special requirements for individual specimen configurations, and detailed procedures for fatigue precracking. Additional annexes are provided that give specific procedures for beryllium and rapid-force testing.
1.3General information and requirements common to all specimen configurations:
Section | |
Referenced Documents | |
Terminology | |
Stress-Intensity Factor | |
Plane-Strain Fracture Toughness | |
Crack Plane Orientation | |
Summary of Test Method | |
Significance and Use | |
Significance | |
Precautions | |
Practical Applications | |
Apparatus (see also 1.4) | |
Tension Machine | |
Fatigue Machine | |
Loading Fixtures | |
Displacement Gage, Measurement | |
Specimen Size, Configurations, and Preparation (see also 1.5) | |
Specimen Size Estimates | |
Standard and Alternative Specimen Configurations | |
Fatigue Crack Starter Notches | |
Fatigue Precracking (see also 1.6) | |
Crack Extension Beyond Starter Notch | |
General Procedure | |
Specimen Measurements | |
Thickness | |
Width | |
Crack Size | |
Crack Plane Angle | |
Specimen Testing | |
Loading Rate | |
Test Record | |
Calculation and Interpretation of Results | |
Test Record Analysis | |
Pm ax/PQ Validity Requirement | |
Specimen Size Validity Requirements | |
Reporting | |
Precision and Bias |
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