Tungsten Molybdenum Alloy Energized Electrodes For TIG Welding Machine Argon Arc Welding Tungsten Electrode Molybdenum
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Tungsten Molybdenum Alloy Energized Electrodes For TIG Welding Machine
1. Description of Tungsten Molybdenum Alloy Energized Electrodes For TIG Welding Machine:
Tungsten molybdenum electrodes are made of tungsten and molybdenum and are produced using the same processes as those used to make molybdenum and molybdenum alloys. This allows us to produce electrodes in a variety of shapes, including rods, plates, wire, and other custom designs.
Low thermal expansion coefficient, high temperature strength, low vapor pressure, wear resistance, strong thermal and electrical conductivity, and low thermal expansion coefficient are all properties of tungsten-molybdenum and tungsten-molybdenum alloy. production of components and the use of heavy materials in the aerospace and defense sectors. The current product is mainly used on the energized electrode of the argon arc welding machine.
2. Size and Chemical of Tungsten Molybdenum Alloy Energized Electrodes For TIG Welding Machine:
Diameter: 0.5~3.6mm
Length:50~175mm
| Quantitative analysis | ||||||||
| Element | W | Mo | Fe | Si | Ni | C | O | N |
| Concentration(%) | 30~50% | remain | 0.01 | 0.01 | 0.005 | <0.03 | 0.0025 | 0.002 |
3. Principle of Tungsten Molybdenum Alloy Energized Electrodes For TIG Welding
Machine:
Tungsten-molybdenum alloy electrode argon arc welding is a welding
method that uses a tungsten-molybdenum alloy rod as an electrode
and argon gas for protection. The method composition is shown in
the following figure. During welding, argon gas is continuously
sprayed from the nozzle of the welding torch, and a protective
layer is formed around the arc to isolate the air to prevent it
from oxidizing the tungsten-molybdenum alloy electrode, the molten
pool and the adjacent heat-affected zone, so as to obtain a
high-quality weld. In the welding process, filler wire can be added
or not added according to the specific requirements of the
workpiece.
4. Features of Tungsten Molybdenum Alloy Energized Electrodes For TIG Welding Machine:
This welding method has the following advantages and disadvantages
because the arc is burned in argon:
1) Argon has an excellent protective effect and can effectively
isolate the surrounding air; it neither reacts chemically with
metal nor dissolves in metal, making the metallurgical reaction in
the welding process simple and easy to control, thus obtaining
high-quality Welds provide good condition.
2) The electrode arc of tungsten-molybdenum alloy is very stable,
and it can still burn stably even in the case of a small current
(<10A), especially suitable for thin plate material welding.
3) The heat source and filler wire can be controlled separately, so
the heat input is easy to adjust, so this welding method can be
welded in all directions, and it is also an ideal method to realize
single-sided welding and double-sided forming.
4) Since the filler wire does not pass current, there is no splash,
and the welding seam is beautiful.
5) AC argon arc welding can automatically remove the oxide film on
the surface of the weldment during the welding process. Therefore,
some non-ferrous metals with strong chemical activity, such as
aluminum, magnesium and alloys, can be successfully welded.
6) The tungsten-molybdenum alloy electrode has poor
current-carrying capacity. Excessive current will cause the
tungsten electrode to melt and evaporate, and its particles may
enter the molten pool and cause tungsten inclusion. Therefore, the
deposition rate is small, the penetration depth is shallow, and the
productivity is low.
7) The use of argon gas is more expensive, the deposition rate is
low, and the argon arc welding machine is more complicated.
Compared with other welding methods (such as electrode arc welding,
submerged arc welding, and CO2­ gas shielded welding), the
production cost is higher.
8) The surrounding of the argon arc is greatly affected by the
airflow, and it is not easy to work outdoors.
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Tungsten Molybdenum Alloy Energized Electrodes For TIG Welding Machine Argon Arc Welding Tungsten Electrode Molybdenum
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