Two families of PVD hard coatings were successfully used for high performance end milling of hardened H13 tool steel. The first family of coatings are AlCrN-based, they are used for wet machining and the other family is based on TiAlCrSiYN coating and are used for dry machining of H13. It was shown that there is a strong potential for further advancement in the wear performance of the coatings by improving the coating architecture as well as by varying the deposition parameters used during their synthesis. A number of deposition parameters of the coatings show a strong impact on wear performance of the cutting tools. Wear performance was related to the structure and a number of nano-mechanical characteristics of the coating layer assessed using the NanoTest system produced by Micro Materials. It was shown that critical characteristics like nano-hardness, loading support factor and nano-scaled scratch resistance can be used to predict the wear performance of a cutting tool. / Thesis / Master of Applied Science (MASc)
| Identifer | oai:union.ndltd.org:mcmaster.ca/oai:macsphere.mcmaster.ca:11375/17275 |
| Date | 06 1900 |
| Creators | Kornberg, Anton Benjamin |
| Contributors | Veldhuis, Stephen C., Mechanical Engineering |
| Source Sets | McMaster University |
| Language | English |
| Detected Language | English |
| Type | Thesis |
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