Engineering, 18.10.2019 20:30 artiomtyler007
Alarge (w > > a) plate sample containing an edge (surface) crack with an initial length of 0.010mm is subjected to two sets of uniaxial cyclic (sinusoidal) fatigue loading. the first set of cyclic loading varies between +25 and +125 mpa for 350,000 cycles. the second set of loading varies between +250 and ‐250 mpa. assume the material has a plane strain fracture toughness of 25 mpa m 1/2 and paris law material constants n= 3.1 and c = 1.8x10‐10 for the units given here.
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Engineering, 04.07.2019 18:10
Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.
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Engineering, 04.07.2019 18:10
Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.
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Engineering, 04.07.2019 18:10
Courses that are developed by subject matter experts, internal or extemal to the college or university. these programs are marketed by the school (clo2) marks a)-vocational schools b)-vendor training c)-colleges & universities d)-continuing education programs
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Engineering, 04.07.2019 18:20
Air flows over a heated plate àt a velocity of 50m/s. the local skin factor coefficient at a point on a plate is 0.004. estimate the local heat transfer coefficient at this point.the following property data for air are given: density = 0.88kg/m3 , viscosity 2.286 x 10 ^-5 kgm/s , k = 0.035w/mk ,cp = 1.001kj/kgk. use colburn reynolds analogy.
Answers: 1
Alarge (w > > a) plate sample containing an edge (surface) crack with an initial length of 0....
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