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  • Weldability and Corrosion Studies of AISI 316L Electropolished Tubing (.pdf)
    the crevices (and potential for crevice corrosion) common with mechanical couplings. Unacceptable weld characteristics include bead meander, oxidation, and slag formation. There are also cosmetic geometric issues, such as weld bead width and height.
  • Flux Coated / Stick
    and molten weld pool. The flux also forms a slag that protects the cooling weld pool or braze joint. The slag must be chipped or brushed off the weld bead after welding. The flux coating also provides a method of adding scavengers, deoxidizers, and alloying elements to the weld metal.
  • Laser Cutting and Welding of Copper (Cu) and Copper Alloys
    working with copper due to the fact that the molten weld bead becomes very highly reflective resulting in reflected power being transferred back into the laser. A series of 20mm long rectangular cuts were made at various laser parameters and a range of cut speeds. Due to fit up issues
  • Depressed Center Grinding Wheels
    the workpiece and wheel center. ANSI type 28 wheels project out in front of the wheel center toward the workpiece. Depressed center grinding wheels are applied in the rough offhand-grinding or snagging of castings, weld beads, and flash or parting lines or defects in metal parts.
  • Examining the corrosion resistance of chromium-passivated stainless-steel tubes
    , such as weld bead and heat-affected zones (HAZs). This results in metallic particle generation at susceptible points. Thus, corrosion-induced particles generated at the wetted surfaces of the electropolished tubes affect halogen's point-of-use purity. Recently, chromium-rich oxide passivation (CrP
  • Case Study: Multiple Analysis of Welded Steel Tube
    Three types of welded steel tubing samples were presented for evaluation of metallurgical conditions including: 1) Cold weld. 2) Galfan coating integrity. 3) Holes. 4) Differences in I.D. bead height. Three samples of .373" OD Galfan coated tube with a .043" nominal wall thickness were tested
  • Fiber Laser Welding of 0.5 mm Thick Stainless Steel
    . Metallographic examination of these welds shows them to be very high quality with very smooth spatter-free top beads. Weld shape is shown to be controlled primarily by weld speed.
  • PLASTICS REFERENCE GUIDE
    . PTFE welding shoes and blanks are available for all weld structures. The WeldMax can extrude PE-HD, PE-LD, PP, PPS, PVC-U, and PVDF materials. Small framed 3,000-ton press packs a big punch Textron Automotive, Athens, Tenn., fit a 3,000-ton press into floor space designed for a conventional

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