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Mechanical student seeking help

i am a mechanical eng student and I am working with a cane harvester. my problem is that the base cutters are worn and damaged easily.how can I increase its abrasion resistance and also its impact resistance without affecting other properties?

mowlaboccus
- mauritius

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Bear in mind that I have zero idea of the size,shape metallurgy of the part or parts. Case hardening or nitriding would be a rather normal first thought. Chrome or electroless nickel might work. Certain plasma sprayed alloys might work, but would require post spray grinding. High energy plasma is better than normal which is better than flame spray. There are some uncommon approaches like cryogenic treatments. Changing the alloy of one or both parts might be workable. Bottom line, nothing is cheap.

James Watts
- Navarre, Florida