it provides particular structural integrity, producing joints alongside real high efficiencies. The forcefulness of joints that are welded continuously (i.e.,full length, without intentional skipped areas) can
easily approach or overstep the forcefulness of the base of operations material(s). The latter province of affairs is made possible yesteryear selecting a articulation blueprint that provides greater cross-sectional surface area than the adjoining articulation elements and/or filler that is of higher forcefulness than the base of operations material(s). Another payoff of welding is the
broad hit of processes together with approaches that tin live selected together with the correspondingly broad diversity of materials that tin therefore live welded.
Advantage of Welding
Almost all metals together with alloys, many (thermoplastic) polymers, virtually if non all glasses, together with merely about ceramics tin live welded, alongside or without auxiliary filler. Still other advantages of welding are that -(1) at that spot are processes that tin live performed manually, semi-automatically, or completely automatically; (2) merely about processes tin live made portable for implementation inwards the champaign for erection of large structures on site or for maintenance together with repair of such structures and
equipment; (3) continuous welds render fluid tightness (so welding is the procedure of alternative for fabricating pressure level vessels);(4) welding (better than virtually other joining processes) tin live performed remotely inwards hazardous environments (e.g., underwater, inwards areas of radiation, inwards outer space) using robots; together with (5) for virtually applications, costs tin live reasonable. The exceptions to the end statement
are where welds are highly critical, alongside stringent character requirements or involving specialized applications (e.g., real thick department welding).
Disadvantage of Welding
The unmarried greatest disadvantage of welding is that it precludes disassembly. While ofttimes chosen merely because it produces permanent joints, consideration of ultimate disposal of a production (or structure) at the destination of its useful life is causing modern designers to rethink how they volition attain joining.H5N1 prime number event is the ask for the regulatory regime inwards erstwhile West Federal Republic of Federal Republic of Germany to dismantle the nuclear reactors inwards erstwhile East Federal Republic of Federal Republic of Germany that convey designs similar to the reactor that failed inwards Chernobyl inwards the erstwhile USSR.
H5N1 minute major disadvantage of many welding processes is that the requirement for oestrus inwards producing many welds tin disrupt the base of operations stuff microstructure together with degrade properties. Unbalanced oestrus input tin too Pb to distortion or the introduction of residual stresses that tin live problematic from
several standpoints.
H5N1 3rd serious consideration, but non necessarily a disadvantage, is that welding requires considerable operator skill, or, inwards lieu of skilled operators, sophisticated automated welding systems. Both of these, along alongside the aforementioned specialized applications, tin Pb to high cost.
This tabular array summarizes the major advantages together with disadvantages or limitations of welding every bit a agency of joining materials or parts into parts or assemblies or structures.
 |
| advantages and disadvantages of welding |
Advantages together with Disadvantages of Welding every bit a Joining Process
Advantages | Disadvantages |
I. Joints of particular structural integrity together with efficiency, volition not accidently loosen or disassemble 2. Wide diversity of procedure embodiments 3. Applicable to many materials within a class 4. Manual or automated operation 5. Can live portable for indoor or outdoor use 6. Leak-tight joints alongside continuous welds 7. Cost is commonly reasonable | 1. Impossible to disassemble joints without destroying particular parts 2. Heat of welding degrades base of operations properties 3. Unbalanced oestrus input leads to distortion or residual stresses 4. Requires considerable operator skill 5. Can live expensive (e.g., thick sections) 6. Capital equipment tin live expensive (e.g., welds electron-beam guns together with vacuum chambers) |
Please Read :
- TIG welding Basics
- Advantages of TIG welding
- TIG Aluminum Welding
- MIG Welding Principles
- Submrged Arc Welding
- Flux shielded metallic arc welding procedure principles
- Resistance Projection Welding
- Resistance Spot Welding
- Resistance Seam Welding
- Different types of welding defects
- Aluminothemic Welding or Thermit Welding Principles