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In laser beam welding coalescence is produced by the heat obtained from the application of a concentrated coherent light beam impining upon the surface to be joined .
It consists of a man-made cylindrical ruby crystal, around the outside of the
crystal is placed flash tube containing inert gas xenon and the capacitor bank.
When subjected to electrical discharge from the capacitors, xenon transforms a high proportion of the electrical energy into white light. As the ruby is exposed to the intense light flashes, the chromium atom of the crystal are excited and pumped to a high energy level. The effect is enhanced because the parallel ends of ruby rod are mirrored so that the red light that is produced reflects back and forth along the length of the crystal. Finally the total energy bursts over a threshold and escapes from the small hole in the mirror at one end of the ruby crystal, as the laser beam.
Evacuation of a high rise building - means of escape: Evacuation of a high rise building is likely to be split into two or more phases. Initially, when the alarm activates (f
Expertsmind.com brings you unique solution in electrical engineering Audio Amplifier Classes Class A The transistor amp conducts for the entire cycle of input signal.
Graduate project in the field of quality assurance
Q. Describe shell moulding process merits and demerits . Ans. Shell moulding process Merits (i) Bett
FLUID (LIQUID) ICE PROTECTION SYSTEMS: Liquid ice protection systems can be used as either anti-ice or de-ice systems. The system is designed to project a film or fluid over t
construction of mohrs circle
Expertsmind.com brings you unique solution in physics What features of our solar system provide clues to how it formed? 1- Patterns of motions among large bodies: -
career aspiration as a determinant to senior secondary school students performance in Technical drawing.
Difference Between Fin and Swell Swell : The unintentional bulges found on the casting surfaces are known as swells. Such enlargements on the casting surface are cau
could help me to write a project specification of class B audio amplifier, if I am going to do a project of class B audio amplifier?
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