Tests
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MECHANICAL TESTS
Verification of mechanical properties of (our) products.
- Brinell hardness test
- Vickers hardness test
- Rockwell hardness test
- Impact bending test
- Tensile test
- Fracture toughness test
- Drop weight test (non-accredited test)
- Bending test (non-accredited test)
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METALLOGRAPHIC TESTS
Verification of the structure and purity of the material of (our) products.
- Baumann test
- Etching test
- Determination of apparent grain size - comparison method
- Determination of share of structural components
- Determination of microcleanness
- Determination of microstructure (non-accredited test)
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NON-DESTRUCTIVE TESTS
These tests check that the products do not include any surface or internal defects.
- Ultrasonic test
- Magnetic test
- Eddy-current testing - for hollow axle (non-accredited test)
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FATIGUE TESTING
Verification of material behaviour under dynamic loading including resistance of coating according to the standards for the railway industry.
- Wheel fatigue test
- Axle fatigue test
- Wheelset fatigue test
- Assessment of coating resistance to cyclic mechanical load
- Assessment of coating resistance to impact
- Assessment of coating resistance to gritting
- Test of stiffness of rubber elements (non-accredited test)
- Laboratory heat treatment (non-accredited test)
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BRAKING TESTS
Verification of the wheels resistance to thermal loading during pads braking.
- The braking test includes testing of two wheels, new one and maximum worn out.
- Braking tests are performed according to EN 13979-1 or according to the specific customer’s specification and requirements.
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CHEMICAL TESTS
Determination of C, Mn, Si, P, S, Cr, Ni, Cu, Mo, V, B, Ti, Zr, Co, W, Nb, As, Pb, Sn, Al by optical emission spectrometry method.