An alloy steel (4340) is to be used in an

An alloy steel (4340) is to be used in an An alloy steel (4340) is to be used in an application requiring a minimum tensile strength of 1380MPa (200,000psi) and a minimum ductility of 43%RA. Oil quenching followed by tempering is to be used. Briefly describe the tempering heat treatment.     Is this the […]

Read More »

Briefly explain why the hardness of tempered martensite diminish

Briefly explain why the hardness of tempered martensite diminish Briefly explain why the hardness of tempered martensite diminishes with tempering time (at constant temperature) and with increasing temperature (at constant tempering time). Is this the question you were looking for? If so, place your order here to get started!

Read More »

(a) Briefly explain why Cv rises with increasing temperature at

(a) Briefly explain why Cv rises with increasing temperature at (a) Briefly explain why Cv rises with increasing temperature at temperatures near 0 K. (b) Briefly explain why Cv becomes virtually independent of temperature at temperatures far removed from 0 K. Is this the question you were looking for? If so, place your order here […]

Read More »

(a) Assume for the solidification of iron (Problem 10.4) that

(a) Assume for the solidification of iron (Problem 10.4) that (a) Assume for the solidification of iron (Problem 10.4) that nucleation is homogeneous, and the number of stable nuclei is 106 nuclei per cubic meter. Calculate the critical radius and the number of stable nuclei that exist at the following degrees of supercooling: 200 K […]

Read More »

Iron has a BCC crystal structure, an atomic radius of

Iron has a BCC crystal structure, an atomic radius of Iron has a BCC crystal structure, an atomic radius of 0.124 nm, and an atomic weight of 55.85 g/mol. Compute and compare its theoretical density with the experimental value found inside the front cover. Is this the question you were looking for? If so, place […]

Read More »

(a) Briefly explain the difference between oxidation and reducti

(a) Briefly explain the difference between oxidation and reducti (a) Briefly explain the difference between oxidation and reduction electrochemical reactions. (b) Which reaction occurs at the anode and which at the cathode? Is this the question you were looking for? If so, place your order here to get started!

Read More »