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Keywords: extensometers
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Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. January 1994, 22(1): 57–62.
Published Online: January 1, 1994
...FJ Albright; J Annala Verification and calibration of an extensometer requires operation at multiple points within the desired operating range. Whereas static calibrations observe changes in sensitivity at different levels within the transducer operating range, dynamic calibrations require...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. January 1994, 22(1): 53–56.
Published Online: January 1, 1994
...FJ Albright; J Annala Material property studies frequently require the measurement of load and strain. Accurate measurement of both parameters is essential. Methods for accurate static calibration and verification of load transducers and extensometers are well established. More recently, standard...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. January 1985, 13(1): 69–73.
Published Online: January 1, 1985
...RS Polvani; CP Reeve; RC Veale A new and simple method is described for the measurement of biaxial deformation with a resolution of 0.025 μm (1 μin.). The basis for this technique is the use of an optical extensometer. References Materials Advisory Board , “ Evaluation Test Methods...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. November 1982, 10(6): 269–272.
Published Online: November 1, 1982
... determined using extensometers. This allows the identification, in the tensile curve, of the points corresponding to the main events in Lüders band deformation leading to the Type A Portevin-Le Chatelier effect. stress-strain diagrams tension tests extensometers Lüders bands Portevin-Le Chatelier...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. November 1981, 9(6): 335–340.
Published Online: November 1, 1981
...JA Williams; KW Carlson A load-line extensometer using linear variable differential transformer (LVDT) displacement transducers was developed and evaluated for use in multispecimen and single specimen J value versus crack growth ( J-R ) curve testing. The LVDT extensometer accuracy...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. July 1981, 9(4): 202–208.
Published Online: July 1, 1981
.... A four zone furnace has been developed for elevated temperature tests, while allowing strains to be measured from the gauge length. cyclic loads temperature control extensometers fatigue tests elevated temperature plastic deformation strain measurement temperature measurement test specimens...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. May 1979, 7(3): 129–132.
Published Online: May 1, 1979
...WN Findley; JK Lepper A self-contained extensometer is described for rapid and highly accurate tension testing of several samples of rigid plastics over the entire range from zero load through fracture. The instrument has high sensitivity and linearity; negligible friction, backlash, and dead zone...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. July 1975, 3(4): 300–302.
Published Online: July 1, 1975
... at opposite ends of two mutually perpendicular diameters. Examples of performance are given for creep of a thin-walled tube of polyurethane. extensometers strains plastics creep circumferential strain differential transformers References Findley , W. N. and Reed , R. M...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. November 1974, 2(6): 547–550.
Published Online: November 1, 1974
... filaments wire extensometers beryllium Borsic ® modulus of elasticity References Herzog , J. A. , “ Methods and Devices for Mechanical Tests on Filaments and Whiskers ,” AFML-TR-66-417 , Air Force Materials Laboratory, Wright-Patterson Air Force Base , Ohio , 1967 . Gloor , W...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. January 1973, 1(1): 58–64.
Published Online: January 1, 1973
... (materials), failure, fatigue tests, stresses, strains, strain energy methods, extensometers, hystersis, pressure vessels Nomenclature a, A , c, kl, k2 m n N Aw W ~m~x ~min as A~ s em~x ~in e~ Ae R¢ R, Material constants Cyclic strain-hardening exponent Number of applied cycles Cycles at failure Plastic...