Metals and alloys can undergo intergranular corrosion attack, wear and ultimately can result in failure under various service conditions. To reduce this possibility of failure by different modes, metals and alloys are employed with certain surface treatment processes. Out of numerous surface treatment processes available today cladding has evolved itself as one of the noble techniques in this era to provide and act as a protective layer that enables the component or specimen to withstand and enhance the service life under extreme conditions. There is a various additive method of cladding who found to be economical and efficient over the perspective of providing a good metallurgical bond with the least possible dilution of the base material. This study tries to figure out the possibilities concerning conventional and unconventional cladding techniques based on processing techniques, metallurgical bonding, advantages associated, and limitations as attached to it.

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