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An undeformed specimen of some alloy has an average grain ter of 0.040 mm. You are asked to reduce its average grain diameter to 0.010 mm. Is this possible? If so, explain the procedures you would use and name the processes involved. If it is not possible, explain why. Is this the question you were […]

Calculate the maximum internal crack length allowable for a 7075 Calculate the maximum internal crack length allowable for a 7075-T651 aluminum alloy (Table 8.1) component that is loaded to a stress one half of its yield strength. Assume that the value of Y is1.35. Is this the question you were looking for? If so, place […]

An S-590 alloy component (Figure) must have a creep rupture An S-590 alloy component (Figure) must have a creep rupture lifetime of at least 100 days at 500(C (773 K). Compute the maximum allowable stresslevel. Is this the question you were looking for? If so, place your order here to get started!

(a) A 10-mm-diameter Brinell hardness indenter produced an inden (a) A 10-mm-diameter Brinell hardness indenter produced an indentation 1.62 mm in diameter in a steel alloy when a load of 500 kg was used. Compute the HB of this material. (b) What will be the diameter of an indentation to yield a hardness of 450 […]

Aluminum atoms are to be diffused into a silicon wafer using Aluminum atoms are to be diffused into a silicon wafer using both predeposition and drive-in heat treatments; the background concentration of Al in this silicon material is known to be 3 ? 1019 atoms/m3. The drive-in diffusion treatment is to be carried out at […]

(a) Compare interstitial and vacancy atomic mechanisms for (a) Compare interstitial and vacancy atomic mechanisms for diffusion. (b) Cite two reasons why interstitial diffusion is normally more rapid than vacancy diffusion. Is this the question you were looking for? If so, place your order here to get started!

A Zn/Zn2+ concentration cell is constructed in which both electr A Zn/Zn2+ concentration cell is constructed in which both electrodes are pure zinc. The Zn2+ concentration for one cell half is 1.0 M , for the other, 10-2 M . Is a voltage generated between the two cell halves? If so, what is its magnitude […]

(a) Show, for a tensile test, that if there is no change (a) Show, for a tensile test, that if there is no change in specimen volume during the deformation process (i.e., A0l0 = Adld). (b) Using the result of part (a), compute the percent cold work experienced by naval brass (the stress-strain behavior of […]

An aluminum wire 4 mm in diameter is to offer a resistance of An aluminum wire 4 mm in diameter is to offer a resistance of no more than 2.5 . Using the data in Table 18.1, compute the maximum wire length. Is this the question you were looking for? If so, place your order […]

An aluminum wire 10 m (32.8 ft) long is cooled An aluminum wire 10 m (32.8 ft) long is cooled from 38 to -1째C (100 to 30째F). How much change in length will it experience? Is this the question you were looking for? If so, place your order here to get started!