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Significance and Use
5.1 Constant force thermal cycling tests determine the effect of stress on the transformation temperatures, recovered strain and residual strain of a shape memory alloy. The tests may be for one thermal cycle but may involve repeated thermal cycles with the number of cycles increasing by orders of magnitude 10 until the response of the material to thermal cycling no longer changes.
1.1 This test method defines procedures for determining the transformation temperatures, the related strains and the residual strain when a shape memory alloy is thermally cycled under an applied axial stress. This test is done to provide data for the design and selection of shape memory alloy thermoelastic actuators.
1.2 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E4 Practices for Force Verification of Testing Machines
E6 Terminology Relating to Methods of Mechanical Testing
E8/E8M Test Methods for Tension Testing of Metallic Materials
E9 Test Methods of Compression Testing of Metallic Materials at Room Temperature
E21 Test Methods for Elevated Temperature Tension Tests of Metallic Materials
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E74 Practices for Calibration and Verification for Force-Measuring Instruments
E83 Practice for Verification and Classification of Extensometer Systems
E209 Practice for Compression Tests of Metallic Materials at Elevated Temperatures with Conventional or Rapid Heating Rates and Strain Rates
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
E1169 Practice for Conducting Ruggedness Tests
E2368 Practice for Strain Controlled Thermomechanical Fatigue Testing
F2004 Test Method for Transformation Temperature of Nickel-Titanium Alloys by Thermal Analysis
F2005 Terminology for Nickel-Titanium Shape Memory Alloys
F2063 Specification for Wrought Nickel-Titanium Shape Memory Alloys for Medical Devices and Surgical Implants
F2082 Test Method for Determination of Transformation Temperature of Nickel-Titanium Shape Memory Alloys by Bend and Free Recovery
F2516 Test Method for Tension Testing of Nickel-Titanium Superelastic Materials
Other StandardsASQ C1 general Requirements for a Quality program Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)
UNSPSC Code 31251500(Actuators)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM E3097-17, Standard Test Method for Mechanical Uniaxial Constant Force Thermal Cycling of Shape Memory Alloys, ASTM International, West Conshohocken, PA, 2017, www.astm.orgBack to Top