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A cylindrical specimen of a metal alloy 45.8 mm long and 9.72 mm in diameter is stressed in tension. A true stress of 378 MPa causes the specimen to plastically elongate to a length of 54.2 mm. If it is
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A cylindrical specimen of a metal alloy 45.8 mm long and 9.72 mm in diameter is stressed in tension. A true stress of 378 MPa causes the specimen to plastically elongate to a length of 54.2 mm. If it is known that the strain-hardening exponent for this alloy is 0.2, calculate the true stress (in MPa) necessary to plastically elongate a specimen of this same material from a length of 45.8 mm to a length of 55.8 mm

User Cesare
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Answer:

390.242 MPa

Step-by-step explanation:

Attached is the full solution.

A cylindrical specimen of a metal alloy 45.8 mm long and 9.72 mm in diameter is stressed-example-1
A cylindrical specimen of a metal alloy 45.8 mm long and 9.72 mm in diameter is stressed-example-2
User GemK
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