Designation:E466-15 INTERNATIONAL Standard Practice for Conducting Force Controlled Constant Amplitude Axial Fatigue Tests of Metallic Materials1 This standard is issued under the fixed designation E466:the number immediately following the designation indicates the year of original adoption or in the case of revision the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon (e)indicates an editorial change since the last revision or reapproval. 1.Scope E1012 Practice for Verification of Testing Frame and Speci- 1.1 This practice covers the procedure for the performance men Alignment Under Tensile and Compressive Axial of axial force controlled fatigue tests to obtain the fatigue Force Application strength of metallic materials in the fatigue regime where the E1823 Terminology Relating to Fatigue and Fracture Testing strains are predominately elastic both upon initial loading and 3.Terminology throughout the test.This practice is limited to the fatigue testing of axial unnotched and notched specimens subjected to 3.1 Definitions: a constant amplitude periodic forcing function in air at room 3.1.1 The terms used in this practice shall be as defined in temperature.This practice is not intended for application in Terminology E1823. axial fatigue tests of ponents or parts. 4.Significance and Use NoTE 1-The following documents although not directly referenced in 4.1 The axial force fatigue test is used to determine the the text are considered important enough to be listed in this practice: E739 Practice for Statistical Analysis of Linear or Linearized Stress- effect of variations in material geometry surface condition Life(S-N)and Strain-Life (e-N)Fatigue Data stress and so forth on the fatigue resistance of metallic STP 566 Handbook of Fatigue Testing2 materials subjected to direct stress for relatively large numbers STP 588 Manual on Statistical Planning and Analysis for Fatigue of cycles.The results may also be us...