Using the data in Figure 7-26 for an ironchromium- nickel alloy, determine the activation energy Qr and

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Using the data in Figure 7-26 for an ironchromium- nickel alloy, determine the activation energy Qr and the constant m for rupture in the temperature range 980 to 1090°C.

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The Science And Engineering Of Materials

ISBN: 9781305076761

7th Edition

Authors: Donald R. Askeland, Wendelin J. Wright

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Question Posted: Aug 24, 2022 12:48 AM

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Using the data in Figure 7-26 for an ironchromium- nickel alloy, determine the activation energy Qr and

Question:

Stress (psi) 20,000 10,000 6,000 4,000 3,000 2,000 1,000 600 400 300 200 100 760° C 870° C 980° C 1040° C 1090° C 1,000 10,000 Rupture life (h) 100,000

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The activation energy Qr HcT where Hc RT ...View the full answer

The Science And Engineering Of Materials

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