Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
EFFECT OF PROCESS PARAMETERS
High voltage gives high velocities in the electron beams. The mutual repulsion effects in the constituent electrons will be less marked at high velocities than at low velocities. Therefore, the higher the voltage, the sharper the possible focus. The sharper the possible focus, the deeper the penetration for a given power. The longer the working distance, the greater the depth of field, and greater the focus tolerance. This of course is related to convergence of the beam in respect to the work piece. High voltage beams have a narrower angle of convergence than low voltage beams. As penetration in a material is proportional to the energy density during welding, surface speed will also affect penetration. The slower the speed, the greater the penetration, however, if the speed is too slow the entire work piece will heat up and a massive heat affected zone will result. Therefore the lowest practical speed is limited to around 250 mm per minute. The factors, which influence weld depth, are as follows:
Q. What is Pre-fabricated buildings? Buildings: Pre-fabricated buildings shall be as per specification GS-904-0520 and, when provided, conceptual drawings prepared by Engine
A Composite from Multidirectional Laminates Figure: A Composite from Multidirectional Laminates Glass fibres usually u
Describe productivity. How do we calculate the productivity? Enumerate various factors effecting the productivity. Define various ways for the improvement of productivity.
b. Assuming a 20 MW simple cycle gas turbine with a firing temperature of 1600K develop an analysis of a combined cycle. Assume that Tmax in the Rankine cycle is 560 C, Pmax = 60
General Electric Research Laboratory: Philip Kennicott joined the General Electric Research Laboratory in the year 1961 where he made contributions in the fields of x-ray crys
Q. What is the procedure of hot working? A process is defined as hot working if it takes place when the workpiece is above the recrystallization temperature. Hot Working Ad
A tube assembly constructed of Cu with an inside diameter of 1.25 cm, wall thickness of 0.8 mm and circumferential fins around the periphery. The fins have thickness of 3 mm, and a
I have a tank that has a 30" dia at the top and is 24" deep. It connects to a cone that is 30" dia at the top and goes to a 15" dia in 12". I plan on filling the tank with golf ba
Derive the shape functions N1...N10 for a 10 node triangular element in terms of area coordinates L 1 , L 2 , L 3 . Nodes are equally spaced on the edges and node 10 is at the cen
Defects Involving Inadequate Bonding Lack of fusion Involves lack of complete melting and fusion of some portion of the weld metal in a joint. It may occur either bet
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd