Synthesis of new superhard materials and their application to cutting tools. Semi-annual report No. 3, 1 Apr-30 Sep 1975. [TiC-Ni; VC-TiC]
Technical Report
·
OSTI ID:7142773
The process of Activated Reactive Evaporation is used to synthesize superhard materials like carbides, oxides, nitrides, ultrafine grain cermets. The deposits are characterized by hardness, microstructure and lattice parameter measurements. The synthesis and characterization of TiC-Ni cermets, Al/sub 2/O/sub 3/ and VC-TiC alloy carbides is given. Tools of different coating characteristics are tested for machining performance at different speeds and feeds. The machining evaluation and the selection of coatings is based on the rate of deterioration of the costing, tool temperature, and cutting forces. Tool life tests show coated high speed steel tools show a 300% improvement in tool life. (Author) (GRA)
- Research Organization:
- California Univ., Los Angeles (USA). School of Engineering and Applied Science
- OSTI ID:
- 7142773
- Report Number(s):
- AD-A-024342
- Country of Publication:
- United States
- Language:
- English
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