ASTM-D6068 2002

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D6068-96(2002)e1 Standard Test Method for Determining J-R Curves of Plastic Materials

Published By	Publication Date	Number of Pages
ASTM	2002	8

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Categories: 83.040.01 - Raw materials for rubber and plastics in general, ASTM

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Description

1.1 This test method covers the determination of the J -integral versus crack growth resistance (J-R ) curves for polymeric materials.

1.2 This test method is intended to characterize the slow, stable crack growth resistance of bend-type specimens in such a manner that it is geometry insensitive within limits set forth in this test method.

1.3 The recommended specimens are the three-point bend ( SE ( B )) and pin-loaded compact tension ( C ( T )) specimens. Both specimens have in-plane dimensions of constant proportionality for all sizes. Specimen configurations other than those recommended in this test method may require different procedures and validity requirements.

1.4 This test method describes a multiple specimen method that requires optical measurement of crack extension from fracture surfaces. It is not recommended for use with materials in which the crack front cannot be distinguished from additional deformation processes in advance of the crack tip.

1.5 The values stated in SI units are to be regarded as the standard.

1.6 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.

Note 1There is no equivalent ISO standard.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Summary of Test Method Significance and Use Apparatus FIG. 1 FIG. 2
3	Specimen Configuration, Size, and Preparation FIG. 3
4	Procedure Calculation and Interpretation of Results FIG. 4
5	FIG. 5 FIG. 6 FIG. 7
6	Report Precision and Bias Keywords X1. CRACK FRONT MARKINGS AND IDENTIFICATION X1.1 X1.2
7	FIG. X1.1
8	REFERENCES

Additional information

Standard Title	D6068-96(2002)e1 Standard Test Method for Determining J-R Curves of Plastic Materials
Published Code	ASTM
Publication Date	2002
Pages Count	8
ICS Codes	83.040.01 - Raw materials for rubber and plastics in general

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ASTM-D6068 2002

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