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- W1627873998 abstract "Abstract : An evaluation was made of the effect of room and elevated temperatures (800 to 1200F) and times at these temperatures (0 to 30 hours) on the mechanical properties of two mortar tube alloys, AISI 4140 and AISI 4337 modified, quenched and tempered to four strength levels. The elevated temperature yield strength and ductility after exposure to the various temperatures for various times are discussed. The room temperature yield strength and -40F impact energy after exposure to various temperatures for various times are also discussed. Results of the elevated temperature tensile testing of the two alloys showed that the yield strength decreases rapidly with high temperatures. The ductility (%RA) increases with increasing temperature and remains fairly constant with time at temperature. The room temperature yield strength decreases with time after exposure at temperatures above the tempering temperature of the alloy. The -40F Charpy V-notch impact strength increases after exposure at temperatures higher than the tempering temperature of the alloy. Increasing the room temperature yield strength (by lowering the tempering temperature) does not significantly increase the elevated temperature yield strength of the alloy." @default.
- W1627873998 created "2016-06-24" @default.
- W1627873998 creator A5052360713 @default.
- W1627873998 date "1971-06-01" @default.
- W1627873998 modified "2023-09-27" @default.
- W1627873998 title "The Elevated Temperature Properties of Two 81mm Mortar Tube Alloys 4337M and 4140" @default.
- W1627873998 doi "https://doi.org/10.21236/ad0726952" @default.
- W1627873998 hasPublicationYear "1971" @default.
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