ASTM E399-90 PDF

Apr + Designation: E – 90 (Reapproved ). Standard Test Method for This test method is under the jurisdiction of ASTM Committee E-8 on. Futgue and . Properties and Testing of Materialsداوملا رابتخاو صاوخ ميحرلا نمحرلا لا مسب Determination of Fracture Toughness “Plane-S. This standard is issued under the fixed designation E ; the number immediately following the designation indicates the 1 This test method is under the jurisdiction of ASTM Committee E08 on Fatigue .. Note 2—Cutter tip angle 90° max.

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It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Guidance on testing elastic-plastic materials is given in Test Method E NOTE 1—Plane-strain fracture toughness tests of thinner materials that are sufficiently brittle see 7.

ASTM E399 (Standard Test Method for Plane Strain Fracture Toughness for Metallic Materials)

Compact Specimen C T. This identification is designated by a hyphenated code with the first letter s representing the direction normal to the crack plane and the second letter s designating the expected direction of crack propagation.

Awtm addition, the product form should be identified for example, straight-rolled plate, cross-rolled plate, pancake forging, etc. Plane-strain fracture toughness tests of thinner materials that are sufficiently brittle asttm 7. The present test method does not apply to such materials and the user is referred to Test Method E and E This standard has been approved for use by agencies of the Department of Defense.

E — 90 Reapproved Standard Test Method for Plane-Strain Fracture 3e99-90 of Metallic Materials1 This standard is issued under the fixed designation E ; the asym immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. Current edition approved Nov. In addition, an annex is provided for the specific procedures to be followed in rapid-load plane-strain fracture toughness tests. Fatigue Precracking KIc Specimens.

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There is no standard test method for testing such thin materials. The second part is composed of annexes that give the displacement gage design, fatigue cracking procedures, and special requirements for the various specimen configurations covered by this method.

Referenced Documents e99-90 separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM E – 90() Standard Test Method for Plane-Strain Fracture Toughness of Metallic Materials

A superscript epsilon e indicates an editorial change since the last revision or reapproval. General information and requirements common to all specimen types are listed as follows: The effect can be especially significant for specimens removed from as-heat treated or otherwise non-stress relieved stock, from weldments, from complex wrought parts, or from e3999-90 with intentionally induced residual stresses.

General information and requirements common to all specimen types are listed as follows:.

Bend Specimen SE B. Specimen Size, Configurations, and Preparation see also 1. Bend Specimen Loading Fixture. Additional annexes are provided that give specific procedures for beryllium and rapid-force 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.

Last previous edition E — Enviado por Giulio flag Denunciar. Therefore, when K Ic is applied to the design of service components, differences between laboratory test and field conditions shall be considered.

The specification of K Ic values in relation to axtm particular application should signify that a fracture control study has been conducted for the component in relation to the expected loading and environment, and in relation to the sensitivity and reliability of the crack detection procedures that are to be applied prior to service and subsequently during the anticipated life.

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. Compact Specimen Loading Clevis. Standard and Alternative Specimen Configurations. Apparatus see also 1. In addition, an annex is provided for the specific procedures to be followed in rapid-load plane-strain fracture toughness tests.

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Originally published as E — 70 T. Work Item s – proposed revisions of this standard. Fatigue Crack Starter Notches. Link to Active This link will always route to the atsm Active version of the standard.

Link to Active This link will always route to the current Active version of the standard. The details of the various specimen and test configurations are shown in Annexes A1 through A7 and A9.

Guide B provides supplementary guidelines for plane strain fracture toughness testing of aluminum alloy products for which complete stress relief is not practicable. Active view current version of standard. A number in parentheses indicates the year of last reapproval. Historical Version s – view previous versions of standard.

General information and requirements common to all specimen types are listed as follows: This strength ratio is a function of the maximum load zstm specimen can sustain, its initial dimensions and the yield strength of the material. The first part gives general information 3e99-90 the recommendations and requirements for Ic testing. Note 1-Plane-strain fracture toughness tests of thinner materials that are sufficiently brittle see 7.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Specimen Size Validity Requirements. The first part gives general recommendations and requirements for K Ic testing.

Crack Extension Beyond Starter Notch. The first part gives general information concerning the recommenda- tions and requirements for KIc testing. Background information concerning the basis for development of this test method in terms of linear elastic fracture mechanics may be found in Refs 1 and 2.

The values given in parentheses are for information only. Fatigue Precracking see also 1.