Joining review questions: 1.Why is 50% of all large-scale industrial welding don
ID: 1717203 • Letter: J
Question
Joining review questions:
1.Why is 50% of all large-scale industrial welding done using stick, arc or shielded metal-arc welding?
2.Which welding technology are you most likely to see in a steel fabricators facilities?
3.What is thermite welding?
4.What are the advantages of electron beam and laser beam welding compared to fusion arc welding?
5.What is meant by solid state welding?
6.Which process would give you a complete surface weld; friction welding or friction stir welding?
7.Why would you want to explosion bond to metals?
8.What is Hadley's special advice for designing joints and assemblies?
Explanation / Answer
Answer (1)
here is some reasons beacuse of which 50 % of all large scale industrial welding done using shielded metal arc welding.
Answer 2
Submerged arc welding (SAW) is most likely to see in a steel fabricators facilities.
Answer 3
Thermite welding was a step forward for joining rails. A thermite weld in progress. Exothermic welding, also known as exothermic bonding, thermite welding (TW), and thermit welding, is a welding that employs molten metal to permanently join the conductors.
Answer 4
Advantages of laser beam and elecron beam welding over fusion arc welding are :
Lower capital equipment costs
• Shorter cycle times translate to lower cost
• Small heat affected zone
• Low training costs
• No x-rays generated
• Deeper penetration with high aspect ratios
• Energy absorption independent of material or surface conditions
• Similar heat-affected zone to that of LBW
• Permits welding of refractory and dissimilar metals not weldable using conventional welding process
Answer 5
Solid state welding is a group of welding processes which produces coalescence at temperatures essentially below the melting point of the base materials being joined, without the addition of brazing filler metal.
Answer 6
friction welding gives you complete surface welding.
Answer 7
Explosion welding can produce a bond between two metals that cannot necessarily be welded by conventional means. The process does not melt either metal, instead it plasticizes the surfaces of both metals, causing them to come into intimate contact sufficient to create a weld.
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