Use molar masses to demonstrate that Fe3C (cementite, iron carbide) corresponds to 6.7 wt% C.
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Use molar masses to demonstrate that Fe3C (cementite, iron carbide) corresponds to 6.7 wt% C.
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- Calculate the critical radius of precipitates for which an Al--Mg alloycontaining 10% Mg will be strengthened by Orowan looping instead of particle shear. Use the following data:γAl2Mg = 1.4 J/m2,G Al = 26.1GPa,rAl = 0.143 nm.27C) Sample of an aluminum alloy has a tensile strength of 140 MPa, What will be the maximum force that can be withstood by a rod of that alloy with a cross-sectional area of 1 cm2?Compute the volume percent of graphite VGr in a 3.3 wt% C cast iron, assuming that all the carbon exists as the graphite phase. Assume densities of 7.9 and 2.3 g/cm3 for ferrite and graphite, respectively. a. what is the weight fraction Wa? b. what is the weight fraction of graphite? c.what is the volume fraction of graphite?
- These questions are based on a high carbon stell with a composition of 1.5%C and 98.5%Fe 1)Name the phases present and calculate the amounts of these phases just above the eutectoid temperature. 2)With equilibrium cooling just below the eutectoid temperature calculate the total ferrite.What is the% C ratio of two different steels with 80% and equal austenite content at 724 C? please explain how to calculateA sample of an aluminum alloy has a tensile strength of 140 MPa,What will be the maximum force that can be withstood by a rod of thatalloy with a cross-sectional area of 1 cm2?
- room temperature plastic deformation of pure lead (pb), with recrystallization temperature of -4, will enhance its: a. tensile strength b. modulus of elasticity c.ductility d. none of the above please explainplease provide step by step solutions and draw the lever on the graph as well. i know the answers. (c) About 1250 C (d) Fe3C, cementite (e) About 0.7 wt% C, about 72% (f) About 40%, no. (h) Draw the microstructure of a 1.5 wt.% C material that has been heated to 1200 C and then slowly cooled to 600 C. Clearly label all phases.A steel contains 18% pearlite and 82% primary ferrite at room temperature. Estimate the carbon content of the steel. Is the steel hypoeutectoid or hypereutectoid?
- Metal Working: What process will result in a Martensite microstructure? List the reasons why this structure will have high strength.You are assured that a Pb-98.5%Sn alloy is good for a treatment of Aging, if we take that information as correct, will it be possible that an alloy Is Pb-10%Sn also very good for that treatment? Justify your answer.1) Give a brief explanation why the solubility of C is higher in y-iron than in alpha-iron. 2) Why must the samples be quenched rapidly to obtain high hardness?