섬유

le soudage sous l'eau et dans la zone de marnage - vue d'ensemble. $left bracket$ welding under water and in the tidal zone a review $right bracket$

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 234
the paper presents a review of the parameters controlling underwater welding, especially arc welding with covered electrodes, mig, tig, and with cored wire. it describes wet welding and hyperbaric welding, with the use of nitrogen and noble gases for shielding and in the welding chamber. the specific problems of underwater welding are described in detail: hardness of the haz, cold cracking by hydrogen, method of calculating the thermal input, and effects of pressure on fusion characteristics. 26 refs. in french
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