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DIFFUSION BONDING
In this process, union between specially prepared mating surfaces takes place as a result of diffusion, which occurs due to high temperature & pressure, exerted for a long time. The pressure is low enough to ensure that there is no plastic flow or deformation. The extended time of several minutes at elevated temperatures (which will cause oxidation) requires that the joint be made in protective atmosphere or vacuum. Sometimes thin inserts are placed between the mating surfaces to speed up diffusion and ensure strong welds.
prove that work is a path function
Assume we want to determine the minimum stopping distance of an automobile traveling at 60 mph. We again assume that the maximum value of µ is unity. Then the maximum deceleration
Assembly Processes The assembly process for machines and mechanisms is the part of the manufacturing process concerned with the consecutive joining of the finished parts into
Method:- Using the two small pipes - Radial Drilling machine First we make a base. Then we attach column to the base. Then show the table atmiddle of the column. Then after we
Q.What is the mean of Off time? It is the interval from the end of the hold time to the beginning of the squeeze time for the next (resistance) welding cycle. In automatic m
The layout of a transmission shaft carrying two pulley C and B and supported on bearings A and D is shown in figure. Power is supplied to the shaft by means of vertical belt on pul
W orking stress and Factor for Safety Working Stress: Working stress is safe stress taken within elastic range of material. For the brittle materials, it is taken equal to
Explain desirable properties of modeling and differentiate between the process of casting and modeling. Also highlight the advantages and disadvantages of casting process and model
explain scope of thermodyanamic
Determine the critical load (W crit ) to cause elastic instability of the rigidly jointed frame shown in Figure Q2. The frame members have constant bending stif
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