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a) Briefly describe the following strengthening methods: (i) solid solution strengthening, (ii)dislocation substructure strengthening, (iii) grain size strengthening, (iii) precipitation strengthening, and (v) dispersion strengthening. Give one example of an alloy system for each of the above categories in which one or more of the above strengthening methods are used.
A fireclay brick cube, 10 cm in length is removed from a furnace where it was maintained at a temperature of 500 degrees C. The brick cube is then placed in ambient temperature conditions.
the decision at hand is replacing the high grade muffler system with one made with low grade cheaper materials. the
In an air-water vapor mixture at 30°C, the partial pressure of the water vapor is 1.5kPa, and the partial pressure of the dry air is 100.5kPa. What is the relative humidity of the air-water vapor mixture?
a spool of mass m radius r and radius of gyration kg rolls without slipping on an incline whose angle with respect to
A large tower is to be supported by a series of steel wires; it is estimated that the load on each wire will be 13,300 N (3000 lbf). Determine the minimum required wire diameter, assuming a factor of safety of 2 and a yield strength of 860 MPa (12..
Determine the magnitude and coordinate direction angles of F3 so that the resultant of the three forces acts along the positively y axis and has a magnitude of 600lb.
there is flow between two plates as shown in the schematic. the bottom plate is stationary. the top plate is moving at
Effect of pressure on temperature and density of air for an adiabatic process, The pressure is to be raised from atmospheric to 7 psi (4.83 bar). The process is adiabatic, and the volume is constant and unknown.
a pilot tube mounted on a aicraft flying at 2700 m measures a differential pressure of 30mmhg. assuming a standard
there is truss that is an upsidown triangle with two twenty degree angles and is hooked up to four members with pin
question 1 a for the reciprocal lattice we know thatexpjg.r 1where g.r 2pit t an integernbsp r lambnc
an engineer has proposed that a simple ideal rankine cycle that uses refrigerant-134a be used to produce work with heat
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