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Mechanical Testing and Manufacturing Technology
The laboratory of the Mechanical Testing is equipped with cutting edge machines and measuring devices offering the capability of a wide spectrum mechanical tests under static and dynamic loading conditions and variable temperatures.
Characteristic examples of such testing techniques are the following:
Low and high temperature tensile testing
Low and high temperature three- and four-point bend testing
Static and Quasi-Static Compression testing
Sheet Formability testing
Fatigue testing
Impact testing
Creep testing
CTOD Fracture Toughness testing
Formability testing equipment is available, including Erichsen doming and cup-drawing machines for the testing of anisotropic behaviour of rolled sheets.
The laboratory team has also expertise in the study of machinability of conventional and eco-friendly alloys and participates to the investigation of mechanical properties of components produced using advanced manufacturing technologies.
Its research activities also cover areas of failure analysis and root cause investigation of materials and machine components.
Equipment
| Description | Capacities | Application |
|---|---|---|
| Electromechanical testing machine – Instron 5567 | Maximum load capacity up to 30 kN. Set of jaws 0-6.4mm & 6.4-12.7mm. | Evaluation of mechanical properties of materials and components under various loading conditions: tensile and creep testing, 3p/4p-bending, peeling, etc. |
| Servohydraulic testing machine – Instron 8802 | Maximum load capacity up to 250 kN. Hydraulic grips (set of jaws: Flat 0-6.4mm & 6.4-12.7mm, Round 15-20mm). Equipped with two environmental chambers for controlled testing from -150oC to 600oC, and for gauge length localized heating up to 1400oC (EN ISO 6892-1/2, ASTM E9, BS7448-1) | Evaluation of mechanical properties of materials and components under various loading conditions at ambient, cryogenic and elevated temperatures, as well as under variable strain-rate conditions: tensile testing, compression, 3p/4p-bending, fatigue testing, fracture toughness testing, creep. Hot ductility tests are also feasible for certain specification requirements. |
| Charpy impact testing machine – Instron Wolpert PW30 | Maximum hammer energies: 300 J/150 J (covering mostly a wide class of steels of various tempers and light metals), according to ΕΝ ISO 148.01/ EN 10045 & ASTM E 23. | Impact tests applied to V-notched specimens for fracture toughness determination of a wide range of applications. |
| Universal Automatic Sheet Testing Machine – Roell Amsler BUP 600 | Maximum load up to 600kN. A broad set of various tooling accessories is available. | Formability and sheet anisotropy testing: Cupping tests (Earing and Erichsen tests). |
| Hydraulic blanking machine | Shearing of flat specimens of maximum thickness: Steel: max 2 mm Non Ferrous Metals : max 3 mm | Preparation of standard tensile test specimens from low-gauge sheets. |
Other Services
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Analytical Chemistry
The Analytical Chemistry Department supports chemical analyses of solid and liquid samples, for Quality Control and R&D purposes. Our laboratory services include the following activities: ISO/IEC 17025:2017 accreditation for a wide
