Test Methods

PRODUCTION OF CASTINGS /

TEST METHODS

Sand laboratory

Tests performed:

Technical testing
Granulometric analysis – including flue content and pH
Measurement of bending strength
Determination of service life of moulding mixtures
Determination of leachables (externally)
Determination of humidity (externally)
Determination of permeability (externally)
Determination of deposition rate (externally)
Determination of density (externally)
Determination of viscosity (externally)

Chemical analysis by means of a Tasman Q4 spark spectrometer

Assessment of quality of liquid metal by thermal analysis (externally)

Assessment of quality of liquid metal by AccuVo and Open Cup thermal analysis with subsequent evaluation in the Apromace software.

Numerical simulation with ProCAST/QuikCAST

Numerical simulation software for metal filling and solidification in foundry mould (for defect predictions).

Metallography (externally)

Evaluation of metallographic structure of cast irons.

Inspection documents according to EN 102204 (certificates)

Inspection certificate (material certificate) according to ČSN EN 10 204 3.1 – declaration of conformity with the order and including the results of tests carried out under the specified inspection.

Non-destructive testing

Ultrasonic test for detection of internal defects (externally)

Destructive testing (externally)

Yield strength

Ductility

Tensile strength – a static tensile test is carried out on a TIRA test 2300 tensile testing machine in accordance with ČSN EN ISO 6892-1.

Hardness measurement

Hardness measurement – hardness scale: HLD – HB – HRC – HRA – HRB – HV – HS

Universal portable hardness tester – TH-1100 series