Verification of the Performance of the 100 kN Table-Top Model Test Frame Used for the Tensile Testing

摘要

The so-called table top model MTS load frame, equipped with a 100 kN load cell with serial No. 850, was used in the period April 2010-December 2010 to perform tensile tests on several steels. The main purpose of these tests was to establish benchmark values for the tensile properties of a number of steels, to be later compared to data measured from micro-sized tensile specimens in the framework of the Microsystems Project. Three of the steels tested allow for the verification of the force values provided by the load cell, namely: Nimonic 75, commercialized by the Institute for Reference Materials and Measurements (IRMM-Geel, Belgium) with designation BCR-661, as Certified Reference Material (CRM) for ambient tensile properties; Two zinc-coated sheet steels coded A and C, provided by ASTM (American Society for Testing and Materials) to NIST for participation in the E28 Proficiency Testing Program (PTP), 'Mechanical Properties of Steel.'