Engineering, 12.11.2019 05:31, richisolano14

# 7.32 experimentally, it has been observed for single crystals of a number of metals that the critical resolved shear stress τcrss is a function of the dislocation density rhod aswhere τ0 and a are constants. for copper, the critical resolved shear stress is 2.10 mpa (305 psi) at a dislocation density of 105 mm-2. if it is known that the value of a for copper is 6.35 10-3 mpa-mm (0.92 psi-mm), compute the crss at a dislocation density of 107 mm-2.

Answers: 3

Engineering, 04.07.2019 18:10, genyjoannerubiera

Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)

Answers: 1

Engineering, 04.07.2019 18:10, samanthabutryn

Which one from below is not one of the reasons of planning failures? (clo3) a)-planner is careless. b-planner spend less time in the field but more time on the desk c)-planner is not qualified d)-planner does not have sufficient time to properly plan

Answers: 3

7.32 experimentally, it has been observed for single crystals of a number of metals that the critica...

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