Submicrometer cutting

Submicrometer Cutting Ceramics for Tools with Defined Cutting Edge... 

New trends in the development and application of hard ceramic grinding and cutting materials will be discussed in this Chapter. For both groups of tools, modern technical demands drive the development of submicrometer microstruc-tures that exhibit significantly increased hardness and reliability. Manufacturing approaches and resulting properties will be described for both advanced single phase sintered alumina materials and for composite ceramics. 

Cutting tests performed with these recently developed alumina grades are rare, some first examples are compared in Section 4.4.4 with the performance of commercial and of submicrometer composite tools. 

Comparative Cutting Studies with Submicrometer Ceramics AI2O3 and Composites Reinforced with Ti(C,N) and Ti(C,0)... 

For the reference tools (SHI and the commercial submicrometer ceramic), the high temperature is associated with a critical influence of the cutting velocity... 

Both the demands for advanced grinding tools and for the precise machining of hard cast iron and hardened steel with cutting ceramics are expected to promote the further development of powder technologies for the manufacture of highly perfect submicrometer microstructures for applications in fields where diamond or cBN tools are too expensive. 

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