Effects of ingot size and reduction ratios on aerospace structural billet
Effects of ingot size and reduction ratios on aerospace structural billet
- New search for: Weberding, M.T.
- New search for: Maloney, J.L.
- New search for: Weberding, M.T.
- New search for: Maloney, J.L.
The demand for large cross-sections of high strength, high toughness alloys has led to the investigation of Lescalloy HP 9-4-30 VAC-ARC at an ingot size of 965 mm (38 in). Reduction ratios of 2.0:1, 4.4:1, and 7.9:1 were evaluated against the aerospace industry specifications and to historical data of smaller ingot sizes. No differences in mechanical properties were observed within the various hot work reductions or in comparison to historical data from smaller ingots with the exception of transverse reduction in area at 2.0:1 hot work reduction. Fracture toughness was independent of hot work reduction or specimen orientation. Void nucleating inclusions were predominately MnS with an average size of 0.6 microm.
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Effects of ingot size and reduction ratios on aerospace structural billet
Einfluß der Blockgröße und des Reduktionsgrades auf Knüppel für Raumfahrzeugstrukturen
1989
7 Seiten, 7 Bilder, 5 Tabellen, 11 Quellen
Conference paper
English
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