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ASTM E399-12e1

Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness KIc of Metallic Materials

standard by ASTM International , 11/15/2012

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Full Description

1.1 This 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.

1.2 This 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.

1.3 General information and requirements common to all specimen configurations:

 

Section

Referenced Documents

2

Terminology

3

 Stress-Intensity Factor

3.1.1

 Plane-Strain Fracture Toughness

3.1.2

 Crack Plane Orientation

3.1.4

Summary of Test Method

4

Significance and Use

5

 Significance

5.1

 Precautions

5.1.1-5.1.5

 Practical Applications

5.2

Apparatus (see also 1.4)

6

 Tension Machine

6.1

 Fatigue Machine

6.2

 Loading Fixtures

6.3

 Displacement Gage, Measurement

6.4

Specimen Size, Configurations, and Preparation (see also 1.5)

7

 Specimen Size Estimates

7.1

 Standard and Alternative Specimen Configurations

7.2

 Fatigue Crack Starter Notches

7.3.1

 Fatigue Precracking (see also 1.6)

7.3.2

 Crack Extension Beyond Starter Notch

7.3.2.2

General Procedure

8

 Specimen Measurements

 

  Thickness

8.2.1

  Width

8.2.2

  Crack Size

8.2.3

  Crack Plane Angle

8.2.4

 Specimen Testing

 

  Loading Rate

8.3

  Test Record

8.4

Calculation and Interpretation of Results

9

 Test Record Analysis

9.1

 Pm ax/PQ Validity Requirement

9.1.3

 Specimen Size Validity Requirements

9.1.4

Reporting

10

Precision and Bias

11


1.4 Specific requirements related to test apparatus:

Double-Cantilever Displacement Gage

Annex A1

Testing Fixtures

Annex A2

Bend Specimen Loading Fixture

Annex A2.1

Compact Specimen Loading Clevis

Annex A2.2


1.5 Specific requirements related to individual specimen configurations:

Bend Specimen SE(B)

Annex A3

Compact Specimen C(T)

Annex A4

Disk-Shaped Compact Specimen DC(T)

Annex A5

Arc-Shaped Tension Specimen A(T)

Annex A6

Arc-Shaped Bend Specimen A(B)

Annex A7


1.6 Specific requirements related to special test procedures:

Fatigue Precracking KIc Specimens

Annex A8

Hot-Pressed Beryllium Testing

Annex A9

Rapid-Force Testing

Annex A10


1.7 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.8 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.

 

Product Details

Published:
11/15/2012
Number of Pages:
33
File Size:
1 file , 700 KB
Note:
This product is unavailable in Russia, Ukraine, Belarus
 

Document History

  1. ASTM E399-23


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness of Metallic Materials

    • Most Recent

  2. ASTM E399-22


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness of Metallic Materials

    • Historical Version

  3. ASTM E399-20a


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness of Metallic Materials

    • Historical Version

  4. ASTM E399-20


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness of Metallic Materials

    • Historical Version

  5. ASTM E399-19


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness KIc of Metallic Materials

    • Historical Version

  6. ASTM E399-17


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness KIc of Metallic Materials

    • Historical Version

  7. ASTM E399-12e3


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness KIc of Metallic Materials

    • Historical Version

  8. ASTM E399-12e2


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness KIc of Metallic Materials

    • Historical Version

  9. ASTM E399-12e1

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    viewing


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness KIc of Metallic Materials

    • Historical Version

  10. ASTM E399-12


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness of Metallic Materials

    • Historical Version

  11. ASTM E399-09e2


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness Ic of Metallic Materials

    • Historical Version

  12. ASTM E399-09e1


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness K Ic of Metallic Materials

    • Historical Version

  13. ASTM E399-09


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness K Ic of Metallic Materials

    • Historical Version

  14. ASTM E399-08


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness K Ic of Metallic Materials

    • Historical Version

  15. ASTM E399-06e2


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness K Ic of Metallic Materials

    • Historical Version

  16. ASTM E399-06e1


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness KIc of Metallic Materials

    • Historical Version

  17. ASTM E399-06


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness K Ic of Metallic Materials

    • Historical Version

  18. ASTM E399-05


    Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness KIC of Metallic Materials

    • Historical Version

  19. ASTM E399-90(1997)


    Standard Test Method for Plane-Strain Fracture Toughness of Metallic Materials

    • Historical Version