Test piece for inspection by ultrasonic method
AssigneeMTU Motoren-und Turbinen-Union Munchen GmbH
InventorManfred Podlech
Life of this patent
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Abstract
A test piece for use in ultrasonic testing of materials or of powdered metallurgically manufactured workpieces to witness minute flaws, in which reference flaws are incorporated in at least one surface of the test piece or in the joint zone between test piece sections.
Claims19
A split powdered metallurgically manufactured test piece for ultrasonic inspection including at least one artificial flaw means therein for testing instrument quality or for calibrating high-resolution ultrasonic test units, comprising surface means in the split powdered metallurgically manufactured test piece defining a joining zone between said surface means, artificial flaw means incorporated between the surface means of the joining zone, the artificial flaw means having a particulate shape of a size smaller than 0.5 mm in its largest dimension and incorporated in the joining zone of the split provided metallurgically manufactured test piece.
Dependencies are inferred from the claim text.