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ASTM E466-96 PDF

May 18, 2020

E Standard Practice for Conducting Force Controlled Constant Amplitude Axial Fatigue Tests of Metallic Materials force~ notched specimens~ unnotched. ASTM E()e1 Standard Practice for Conducting Force Controlled Constant Amplitude Axial Fatigue Tests of Metallic Materials. Last previous edition approved in as E – 96()?1. DOI: / E 2 Handbook of Fatigue Testing, ASTM STP

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Ee1 E e1 E E The trial test specimen should be turned about its axis, installed, and checked for each of four orientations within the? It is important that the accuracy of alignment be kept consistent from specimen to asmt. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

E — 07 with as much economy as prudent.

As a cautionary note, should localized yielding occur, signi? In the case of surfaces that are not smooth, due to the fact that some surface treatment or condition is being studied, the dimensions should be measured as above and the average, maximum, and minimum values reported. Fatigue Standards and Fracture Standards ASTM’s fatigue and fracture standards provide the appropriate procedures for carrying out fatigue, fracture, and other related tests on specified materials.

Because of this, a circular cross section may be preferred if material form lends itself to this con? A number in parentheses indicates the year of last reapproval.

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Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Otherwise, the sections may be either of two types: Road Standards and Paving Standards. E – 02 e1 See all versions E e1 E E In addition to fracture toughness and strain gradient, these standards also present the procedures for determining K-R curves, adtm and strain-life fatigue data, threshold stress intensity factors, e466-996 reference temperatures.

All material variables, testing information, and procedures used should be reported so that correlation and reproducibility of results may be attempted in a fashion that is considered reasonably good current test practice. For tests run in asstm, the length of the test section should be approximately two times the test section diameter to minimize buckling.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Rolling Element Bearing Standards.

In view of this, no maximum ratio of area grip to test section should apply. Otherwise, the same dimensional relationships should apply, as in the case of the specimens described in 5. Every effort should be made to prevent the occurrence of misalignment, either due to twist rotation of the gripsor to a displacement in their axes of symmetry. Redline Version Ee1 E One exception may be where these parameters are under study.

Assurance that surface residual stresses are minimized can be achieved by careful control of the machining procedures.

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ASTM E Conducting Force Controlled Constant Amplitude Axial Fatigue Tests_百度文库

This practice is not intended for application in axial fatigue tests of components or parts. The following documents, although not directly referenced in the text, are considered important enough to be listed in this practice: The test section length should be approximately two to three times the test section diameter. The trial specimen should be rotated about its longitudinal axis, installed and checked in both orientations within the? ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

E — 07 FIG. Improper methods of preparation can greatly bias the test results. The size of the gripped end relative to the gage section, and the blend radius from gage section into the grip section, may cause premature failure particularly if fretting occurs in the grip section or if the radius is too small. Dimensional analysis and inspection should be conducted in a manner that will not visibly mark, scratch, gouge, score, or alter the surface of the specimen.

E e1 E E To do so would require the control or balance of what are often deemed nuisance variables; for example, hardness, cleanliness, grain size, composition, directionality, surface residual stress, surface?