WELDING PROCESSES - Eastern Mediterranean University
Gas Tungsten Arc Welding (GTAW) Uses a nonconsumable tungsten electrode and an inert gas for arc shielding Melting point of tungsten = 3410 C (6170 F) A.k.a. Tungsten Inert Gas (TIG) welding In Europe, called "WIG welding" Used with or without a filler metal When filler metal used, it is added to weld pool
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FUNDAMENTALS OF WELDING
staff.emu.edu.trUltrasonic welding (USW) - coalescence by ultrasonic oscillating motion in a direction parallel to contacting surfaces of two parts held together under pressure ©2013 John Wiley & Sons, Inc. M P Groover, Principles of Modern Manufacturing 5/e
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staff.emu.edu.trforms because the composition of austenite (0.83 %wt C) is different from either of ferrite (0.025 wt% C) and cementite (6.70 wt% C), and the phase transformation requires that there be a redistribution of the carbon by diffusion. • Subsequent cooling of the pearlite from point B will produce relatively insignificant microstructural changes.
CHAPTER 2 Steam Generators - EMU Academic Staff Directory
staff.emu.edu.trThe saturated steam thus formed is further superheated. After passing over the heating surfaces at various zones the flue gas is cooled and discharged to the atmosphere through a stack. The primary function of a steam generator is to generate steam under pressure, but modern steam generators are also required to do the following: i. Ensure ...
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Chapter 3 FUELS AND COMBUSTION
staff.emu.edu.trA combustion process is complete if all the combustible components of the fuel are burned to completion. Complete combustion: If all the carbon in the fuel burns to CO 2, all the hydrogen burns to H 2 O, and all the sulfur (if any) burns to SO 2. Incomplete combustion: If the combustion products contain any unburned fuel or components such as C ...
Chapter 1 Solar Radiation - Eastern Mediterranean University
staff.emu.edu.tr• For solar process design, it is necessary to calculate the hourly radiation on a tilted surface of a collector from measurements or estimates of solar radiation on a horizontal surface. • The most commonly available data are total radiation ... • The optimum azimuth angle …
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