Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 08 Apr 2018 My Price 5.00

creep rate

Tungsten is being used at half its melting point (Tm ≈ 3,400 °C) and a stress level of 160 MPa. An engineer suggests increasing the grain size by a factor of 4 as an effective means of reducing the creep rate.

(a) Do you agree with the engineer? Why? What if the stress level were equal to 1.6 MPa?

(b) What is the predicted increase in length of the specimen after 10,000 hours if the initial length is 10 cm?

Answers

Maurice Tutor
(5)
Status NEW Posted 08 Apr 2018 06:04 AM My Price 5.00

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