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ahmad subahman

General Cause Porosity, Overlap and Tungsten Inclusion - 0 views

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welding defects porosity overlap tungsten inclusion

shared by ahmad subahman on 27 Sep 09 - Cached
  • ahmad subahman on 27 Sep 09
     
    Porosity. Is the result of gas being entrapped within the solidifying weld metal. Porosity will be present in a weld if the welding technique, materials used or condition of the weld joint promotes gas formation.
ahmad subahman

TIG Weld Defects and Causes. - 0 views

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welds defects TIG GTAW

shared by ahmad subahman on 07 Oct 09 - Cached
  • ahmad subahman on 07 Oct 09
     
    Porosity cause by : Gas flow too low or too high. Leaking gas lines. Draughty conditions. Electrode stick out from nozzle too long. Contaminated/dirty weld prep. Contaminated/dirty wire. Incorrect gas shield. Arc length too long
ahmad subahman

NDT Ultrasonic Testing Training Level 1 course |online welding courses - 0 views

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NDT Ultrasonic Testing Training Level 1 course |online welding courses

shared by ahmad subahman on 26 Mar 11 - No Cached
  • ahmad subahman on 26 Mar 11
     
    There are Non Destructive Testing Ultrasonic Testing Training Level 1 course module: 1: NDT module - MANUFACTURING DISCONTINUITIES Ultrasonic Testing Training Level 1 student will learn about Casting Discontinuities(Hot Tear, Cold Shut, Porosity, Shrinkage),Primary Processing Discontinuities
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