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1. What is a particulate composite?
2. What is a cermet? What is the role of WC and Co in a cermet?
3. Calculate the density of a cemented carbide, or cermet, based on a titanium matrix if the composite contains 50 wt% WC, 22 wt% TaC, and 14 wt% TiC. (See Example 17-2 for densities of the carbides.)
Example 17-2
Cemented Carbides
A cemented carbide cutting tool used for machining contains 75 wt% WC, 15 wt% TiC, 5 wt% TaC, and 5 wt% Co. Estimate the density of the composite.
A 3 DOF robot manipulator is shown in Figure 1. a) Give a complete D-H parameter table. b) Give the three A-matrices that correspond to this robot. c) Obtain the forward kinematics equations for this robot. d) Solve the inverse kinematics problem. e)..
the collars are pin connected at b and are free to move along rod oa and the curved guide oc having the shape of a
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What is the "critical thickness" of insulation, such that if the layer were any thinner, the insulation would actually cause the heat flux to increase?
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A mounting bracket for electronic components is formed from sheet metal of uniform thickness. Locate the center of gravity of the bracket.
Name the two electrical circuits used in strain gauge circuits in stress analysis in mechanical engineering
A sliding collar of m=80Kg falls on to a flange at the bottom of a vertical rod. Calculate the height h through which the mass m should drop to produce a maximum stress in the rod of 350 Mpa. the rod has length L=2m, cross-sectional area A=250mm2, an..
1. A four-pole, three-phase induction motor rotates at 1,700 r/min when the load is 100 N-m. The motor is 88 percent efficient. a. Determine the slip at this operating condition.
It is required to design the DC motor to run a small size electric vehicle to beused inside an airport building to help the transportation of old people.
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