2079 - SPUTT 500

Ing. Daniel Omacht, Zdeněk Kubánek, Roman Doležal

MATERIÁLOVÝ A METALURGICKÝ VÝZKUM s.r.o.

In the past, the need to identify the mechanical properties of machinery components working in operating conditions without shutting down any machinery or removing any machinery parts led to the development of miniaturised test devices and special test procedures and methods. Over the years, the developed methods were refined, results compared to the conventional test methods, and test device shapes and dimensions were modified. In September 2004, the material engineers striving to standardise the small sample test methods with the European Committee for Standardisation (CEN) produced document CWA 15627 (CEN Workshop Agreement) "Small Punch Test Method for Metallic Materials". This document sets technical conditions for miniaturised sample testing in material flow and fracture mechanics. In 2007, this document was novelised. Based on this document, in 2010, the SPUTT 500 test equipment development started. This equipment is designed to determine the residual life of machinery components operating at increased temperatures through testing so-called miniaturised samples (8 mm, thickness (0.5 ± 0.005) mm). Over the course of five years, three versions were developed. Two of them were protected as utility models. The last version is the most sophisticated, fully automated, and it significantly exceeds the requirements set by the CWA 15627 regulation.

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