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Mitsubishi Materials USA's new 5000 series grades are for Cast Iron turning; MC5005 and MC5015. MC5005's ultra-thick layer of aluminum oxide enhances wear and chipping resistance. MC5015 has improved coating layer strength providing toughness in severe interrupted cutting.
To increase efficiencies of the new CVD coated grades MC5005 and MC5015, Mitsubishi Materials has a line of new chip breakers designed to optimize these two new grades. Chip Breakers LK, MK and RK have reportedly been designed to insure maximum performance for metal cutting applications.
Related Glossary Terms
- aluminum oxide
aluminum oxide
Aluminum oxide, also known as corundum, is used in grinding wheels. The chemical formula is Al2O3. Aluminum oxide is the base for ceramics, which are used in cutting tools for high-speed machining with light chip removal. Aluminum oxide is widely used as coating material applied to carbide substrates by chemical vapor deposition. Coated carbide inserts with Al2O3 layers withstand high cutting speeds, as well as abrasive and crater wear.
- chemical vapor deposition ( CVD)
chemical vapor deposition ( CVD)
High-temperature (1,000° C or higher), atmosphere-controlled process in which a chemical reaction is induced for the purpose of depositing a coating 2µm to 12µm thick on a tool’s surface. See coated tools; PVD, physical vapor deposition.
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