Engineering, 27.03.2020 05:56 b2cutie456
In the results of afatigue test, themean stress was 100MPa and the stress amplitude was 50MPa. a) Determine themaximum and minimum stress levelsand the stress ratio. b) Ifthematerial is copper(which has a melting point of 1984 degrees F),at what temperature do considerations of creep become important?
Answers: 2
Engineering, 03.07.2019 14:10, volleyballfun24
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Answers: 3
Engineering, 04.07.2019 18:10, kevin72836
Consider a large isothermal enclosure that is maintained at a uniform temperature of 2000 k. calculate the emissive power of the radiation that emerges from a small aperture on the enclosure surface. what is the wavelength ? , below which 10% of the emission is concentrated? what is the wavelength ? 2 above which 10% of the emission is concentrated? determine the wavelength at which maximum spectral emissive power occurs. what is the irradiation incident on a small object placed inside the enclosure?
Answers: 2
Engineering, 04.07.2019 18:10, 0436500
Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.
Answers: 1
In the results of afatigue test, themean stress was 100MPa and the stress amplitude was 50MPa. a) De...
Biology, 23.10.2019 01:00
Mathematics, 23.10.2019 01:00
Mathematics, 23.10.2019 01:00