Sornwongkaew, Umnad, Department of Welding Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok, Thailand

• Vol 20, No 2 (2024): May-August - Research articles
  The Study of the Effect of O2 Contamination on Discoloration at Root Pass Welding of Titanium Grade 2 Pipe ASTM B 861 Using Gas Tungsten Arc Welding
  Abstract  PDF