Apparatus for obtaining sample coupon for metallographic evaluation
AssigneeHeraeus Electro-Nite International N.V.
InventorsTimothy Donnelly, Edwin E. Kaufman
Life of this patent
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Abstract
An apparatus is provided for obtaining a sample coupon from a container of molten metal for the performance of metallographic microstructural evaluation. The apparatus comprises a housing formed of a material resistant to thermal breakdown, the housing having an exterior surface, a closed first end, and a second end including an opening sized and shaped for receiving and retaining a support member. The housing further includes an interior coupon chamber and a passageway extending between the coupon chamber and the exterior surface. The coupon chamber has at least one generally flat surface and a cross-sectional dimension of not less than seven square millimeters and not greater than 1,250 square millimeters.
Claims11
An apparatus for obtaining, from a container of molten metal, a sample coupon suitable for metallographic microstructural evaluation, the apparatus comprising a housing formed of a material resistant to thermal breakdown, the housing having an exterior surface, a closed first end, and a second end including an opening sized and shaped for receiving and retaining a support member, the housing including an interior coupon chamber and a passageway extending between the coupon chamber and the exterior surface, the coupon chamber having at least one generally flat surface and a cross-sectional dimension of not less than seven square millimeters and not greater than 1,250 square millimeters.
Dependencies are inferred from the claim text.