Low-temperature elastic properties of a 300-grade maraging steel |
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Authors: | H. M. Ledbetter D. T. Read |
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Affiliation: | (1) Cryogenics Division, National Bureau of Standards, 80302 Boulder, CO |
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Abstract: | ![]() Elastic properties of an annealed 300-grade maraging steel (18 Ni, 9 Co, 5 Mo pct by weight) were studied between room temperature and liquid-helium temperature. Longi-tudinal and transverse ultrasonic velocities were determined by a pulse method. The re-ported elastic constants are: longitudinal modulus, shear modulus, Young’s modulus, bulk modulus, and Poisson’s ratio. Except for the bulk modulus, the room-temperature elas-tic constants are all lower than those of iron; and their temperature dependencies are regular in the studied temperature region. |
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