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ASTM E466-96 PDF

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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NOTE 2—Measurements of dimensions presume smooth surface? This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Unmanned Maritime Vehicle Standards. E — 07 fatigue test the permanent deformation of the unbroken but tested specimens for example, percent change in cross-section area of test section should be reported. 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.

Because of this, a circular cross section may be preferred if material form lends itself to this con?

As a cautionary note, should localized yielding occur, signi? For example, specimen alignment is of utmost importance and FIG. The ratio of specimen test section width to thickness should be between two and six, and the reduced area should preferably be between 0.

For tests run in compression, the length of the test section should be approximately two times the test section diameter to minimize buckling.

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E – 03 See all versions E E E E — 07 with as much economy as prudent. This is a particular danger in soft materials wherein material can be smeared over tool marks, thereby creating a potentially undesirable in?

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Surfaces intended to be parallel and straight should be in a manner consistent with 8. Ea Ea Ee1 E 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.

Sports Standards and Recreation Standards. No further reproductions authorized.

E — 07 FIG. One exception may be where these parameters are under study. Durability of Nonmetallic Material Standards. The storage medium should generally be removed before testing using appropriate solvents, if necessary, without adverse effects upon the life of the specimens. Regardless of the machining, grinding, or polishing method used, the? Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Search and Rescue Operations Standards. It is important that the accuracy of alignment be kept consistent from specimen to specimen. This practice is limited to the fatigue testing of axial unnotched and notched asmt subjected to a constant amplitude, periodic forcing function in air at room temperature.

Fatigue Standards and Fracture Standards

E – 10 See all versions E E – 85 See all versions E e1 E E 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. Improper methods of preparation can greatly bias the test results.

This practice is not intended for application in axial fatigue tests of components or parts.

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Fatigue Standards and Fracture Standards. E E e1 E Your comments are e4669-6 either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

Thus, when embarking on a program of this nature it is essential to define and maintain consistency a priori, as many variables astk reasonably possible, with as much economy as prudent. Otherwise, the sections may be either of two types: The trial specimen should be rotated about its longitudinal axis, installed and checked in both orientations within the?

Consumer Product Evaluation Standards. For rectangular cross section specimens, alignment should be checked by placing longitudinal strain gages on either side of the trial specimen at the minimum width location. Redline Version Ee1 E Readers are referred to Ref 1 should this occur. In the typical regime of 10? Medical Device Standards and Implant Standards. It is advisable to determine these surface residual stresses with X-ray diffraction peak shift or similar techniques, and that the value of the surface residual stress be reported along with the direction of determination that is, longitudinal, transverse, radial, and so forth.

Resilient Floor Covering Standards. One set of strain gages should be placed at the center of the gage length to detect misalignment that causes relative rotation of the specimen ends about axes perpendicular to the specimen axis. E – 10 See all versions E Ee1 E E e1 E E Electrical Standards and Magnetic Conductor Standards.