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used in aerospace and other high tech welds with lack of oxidation
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What is a permanent fixing in metal work?
Welding
How does resistance welding machine work?
This welding machine is useful to melt the metal at the end points. It converts 120-240 volt AC electricity to welding voltage. Thanks Artech Welders
What is cad-welding?
CAD welding is named after Dr Cadwell. It is a form of thermite welding used to bond wire to metal, typically used in the rail industry.
Explain seam welding and percussion welding?
Seam welding- resistance welding process involving the use of (normally) copper or copper alloy rollers to simultaneously pass high current (10^4 amps and usually in pulses) and apply pressure to bond a lap seam between two pieces of sheet metal. Percussion Welding- arc welding process involving the use of a capacitor bank to bond on the order of milliseconds. A high current electric arc is developed between the items to be joined, and the items are rapidly accelerated together.
What is the difference between welding of metals and plastics?
because of the difference in physical characteristics of thermoplastics and metals, there are corresponding differences between welding techniques for metals and thermo-plastics. in the welding of metal, welding rod and parent material become molten and fuse into the required bond to form welded joints. this is not in thermo plastics, because they are poor heat conductors , they are difficult to heat uniformly .. so diifferent methods are used to weld plastics...
What is a permanent fixing in metal work?
Welding
What is the meaning of permanent bond?
permanent bond: A bond not expected to require disassembly for operational or maintenance purposes.
How does resistance welding machine work?
This welding machine is useful to melt the metal at the end points. It converts 120-240 volt AC electricity to welding voltage. Thanks Artech Welders
What is cad-welding?
CAD welding is named after Dr Cadwell. It is a form of thermite welding used to bond wire to metal, typically used in the rail industry.
welding i want to weld steel bars to my trailer should i use a arch welder or a wire feed welder?
arch welding is a more stable form of welding. it get hotter and creates a stronger bond
Explain seam welding and percussion welding?
Seam welding- resistance welding process involving the use of (normally) copper or copper alloy rollers to simultaneously pass high current (10^4 amps and usually in pulses) and apply pressure to bond a lap seam between two pieces of sheet metal. Percussion Welding- arc welding process involving the use of a capacitor bank to bond on the order of milliseconds. A high current electric arc is developed between the items to be joined, and the items are rapidly accelerated together.
Will super glue form a permanent bond with sterling silver?
No it will not
Why an atom cannot have permanent dipole moment?
Because it's the measure of polarity of a bond, it's not a permanent state of the atom
What do mean by flux and slag?
In (SMAW) Shielded Metal Arc Welding 'stick welding': Flux is the substance added to to molten metals to bond with impurities that can be readily removed. Slag is the waste material which is removed.
Why need to use argon gas for stainless steel welding process?
At the temperature required for welding, austenitic stainless steel passivate so rapidly in the presence of atmospheric oxygen that a strong weld bond can not be formed.
The joining of metals by heat for making something structural or producing a continuous and permanent path for the flow of electric current is known as?
welding
What are the disadvantages of using adhesives?
Adhesives form a permanent (ideally) bond, which cannot be easily separated.
