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...
The Welding of Aluminum & Its Alloys Part 2 pps
... and the grain
size of the deposit.These in their turn depend on the parent and filler metal
compositions, the amount of dilution, the quality of the welding process and
the welder and, lastly, the ... been
strengthened by either cold working or precipitation hardening. One aspect
of this is the width of the HAZ, a function of the high thermal conductiv-
ity...
The Welding of Aluminum & Its Alloys Part 3 docx
... identify the condition of the alloy, in other words
the amount of cold work the alloy has undergone or its heat treatment con-
dition. There are a number of schemes available for identification of the
alloy ... necessary to weld the lower copper-containing alloys
then 4047 is the best choice as a filler metal.
50 The welding of aluminium and its alloys
treatm...
The Welding of Aluminum & Its Alloys Part 4 pdf
... will depend on the size of the equipment to be used, in particular
the size of the torch. Welding aluminium with the gas shielded processes
70 The welding of aluminium and its alloys
Visible ... design of edge preparation. Joint
design is determined by the strength requirements, the alloy, the thickness
of the material, the type and location of the...
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...
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...
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...
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...
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...
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