Articles Pocket Guide Foundry

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Moulding Material Testing

Electronically controlled moulding material testing This enables the integrated characterisation of a moulding material to assist with successful…

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Exhaust Air

Extraction system for die-casting machines Exhaust air filtration with air circulation system and heat recovery The die-casting process produces…

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Microstructure Tomography

Microstructure tomography Imaging method for the spatial description of complex microstructures 3D microstructure imaging using FIB (focused ion…

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Structural Examination

Optical microscope structural examination Successful structure contrasting is followed by the examination of the polished specimen under the…

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Structural Contrasting

Figure 3 shows that the matrix structure of the material being examined is however only discernible after contrasting in many cases. After a thorough…

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Specimen Preparation

Polished section preparation Metallic materials are opaque, i. e. they are impermeable for incoming visible light waves. Therefore a structural…

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3D Digitalisation

Efficient 3D digitalisation of a large casting using a laser scanner Laser scanners record large measuring volumes, meanwhile with sub-millimetre…

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Magnetic Particle Testing

Magnetic particle testing is a non-destructive material testing process for castings and workpieces made of ferromagnetic materials. The physical…

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Penetrant Test

Penetrant Test Dye penetrant test – capillary method Detection of surface cracks with the help of liquids that, due to the capillary effect,…

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Ultrasonic Testing

Process Ultrasonic testing is used to locate defects in components and determine the size of the defects. In castings for example these can include…

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Acoustic Material Testing

Included Topics: Acoustic testing methods Resonant testing Test setup for acoustic material testing Implementation example: Series testing…

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X-ray/CT

Radiographic testing with X-rays and gamma rays Standards DIN EN 13068: Radioscopic testing DIN EN ISO 19232: Image quality of radiographs DIN…

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Dynamic Strength Test

Included Topics: Standard for the dynamic fatigue test Dynamic fatigue test Stress ranges Fatigue strength terminology Testing procedure…

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Fracture Mechanics Test

Fracture mechanics For components with tearing or defects similar to cracks, fracture mechanics has developed criteria for how cracks grow under…

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Notched-Bar Impact Test

Included Topics: Select standards for impact bending testing Notched-bar impact test according to Charpy – arrangement of the specimen,…

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Mobile Hardness Testing

Ultrasonic contact impedance: new fields of application for mobile hardness testing Practical example of mobile UCI hardness testing in production…

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Hardness Test

Included Topics: Select standards for hardness testing Hardness test according to Brinell Hardness test according to Vickers Instrumented…

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Tensile Test

Included Topics: Selection of standard for tensile strength tests, tensile test specimens and tensile testing select cast materials Formula…

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Aluminium Casting Alloys

Included Topics: Influence of liquid metal treatment on the structure of the aluminium cast materials Influence of grain refinement treatment…

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Aluminium Cast Materials

Included Topics: Properties of aluminium cast materials Selection of physical values for aluminium alloys Designations according to DIN EN…