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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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 specimens that are less than 0. However, regardless of the nature of the forcing function, it should be reported sine, ramp, saw tooth, etc. However, the design should meet certain general criteria outlined below: This is a particular danger in soft materials wherein material can be smeared over tool marks, thereby creating a potentially undesirable in?

Ee1 E E E Redline Version E e1 E E E e1 E E E Since specimen preparation can strongly in? 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.

E — 07 6. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? The results may also be used as a guide for the selection of metallic materials for service under conditions of repeated direct stress. This practice is not intended for application in axial fatigue tests of components or parts.

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Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

Redline Version Ee1 E E For tests run in compression, the length of the test section should be approximately two times the test section diameter to minimize aatm.

To ensure test section failure, the grip cross-sectional area should be at least 1. Industrial Hygiene Standards and Safety Standards.

Fatigue Standards and Fracture Standards

Ee1 E Ee1 E Paper Standards and Packaging Standards. Otherwise, the same dimensional relationships should apply, as in the case of the specimens described in 5. Current edition approved Nov. The trial test specimen should be turned about its axis, installed, and checked for each of four orientations within the?

For most conventional grips, good alignment must e4666-96 about from very careful attention to design detail. ASTM’s fatigue and fracture standards provide the appropriate procedures for carrying out fatigue, fracture, and other related r466-96 on specified materials. E – 03 See all versions E E E No circumferential machining should be evident when viewed at approximately magni?

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

E e1 E E Fatigue Standards and Fracture Standards ASTM’s r466-96 and fracture standards provide the appropriate procedures for carrying out fatigue, fracture, and other related tests on specified materials.

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In view of this fact, the method of preparation should be agreed upon prior to the beginning of the test program by both the originator and the user of the fatigue data to be generated.

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

E – 02 e1 See all versions E e1 E E Ee1 E e2 E e1 E E As a conservative general measure, this procedure is recommended unless: Thus, when embarking on a program of this nature it is essential to define and maintain consistency a priori, as many variables as reasonably possible, with as much economy as prudent. Rolling Element Bearing Standards. Business Copy Product 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.

The acceptable ratio of the areas test section to grip section to ensure a test ashm failure is dependent on the specimen gripping method. E – 10 See all versions E One exception may be where these parameters are under study.

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