The Welding of Aluminum & Its Alloys Part 13 ppsx
The Welding of Aluminum & Its Alloys Part 13 ppsx
... strengthening see alloying storage of parent metals 52 strengthening mechanisms 10–18 strength loss 31–34 in HAZ 32–34 in weld metal 31–32 TIG welding effects of HF 100 mechanised/ automated welding ... pulsed MIG 121–124 shielding gases 130 133 spot welding 144–146 terminating the weld 140–141 torches 125–126 torch positioning 138 –140 twin wire 124–125 wire feeders 127–128 no...
Ngày tải lên: 10/08/2014, 12:21
The Welding of Aluminum & Its Alloys Part 6 pps
... rod can also shield the material ahead of the weld pool from the cleaning action of the arc and this may also lead to oxide entrapment. 110 The welding of aluminium and its alloys 80° 10 to 20° ... flexible. Overheating of the torch can melt the brazed joints within the torch or the plastic tube that sheaths the power cable and it is important that 106 The...
Ngày tải lên: 10/08/2014, 12:21
The Welding of Aluminum & Its Alloys Part 7 docx
... end the welding sequence. This is generally achieved by means of a trigger on the handle of the torch. Operating the trigger initiates the shielding gas flow and the welding current when the ... this is at the torch, not at the outlet of the cylinder regulator! 7.3.2 Welding filler wire The wire acts as both the filler metal and the anode in the welding...
Ngày tải lên: 10/08/2014, 12:21
The Welding of Aluminum & Its Alloys Part 8 ppt
... range of materials (Fig. 8.2). The laser welding of aluminium and its alloys has, however, presented problems to the welding engineer. Poor coupling of the beam with the parent metal, high thermal ... torch. Courtesy of TWI Ltd. The wavelength of the laser light affects the coupling – the absorption of the beam energy by the metal being cut or welded. A...
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The Welding of Aluminum & Its Alloys Part 9 pptx
... determines the peripheral speed, the pressure applied during the welding process and the duration of the weld cycle. The metal extruded from the joint forms a flash on the outside of the weld and ... softer alloys with the harder 1% Cr-Cu or 21% Cr-Zr-Cu alloys for the welding of the cold-worked or age-hardened alloys. The profile of the electrode ti...
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The Welding of Aluminum & Its Alloys Part 10 doc
... a WPS for the welding of aluminium or its alloys shall be approved. It gives the limits of validity of the WPS within the range of variables and includes an example of a WPAR and the accom- panying ... Tests for the Arc Welding of Steel. • Part 4 Welding Procedure Tests for the Arc Welding of Aluminium and its Alloys. • Part 5 Welding Approva...
Ngày tải lên: 10/08/2014, 12:21