Development of an advanced ceramic tool material-functionallygradient cutting ceramics
Materials Science and Engineering A248(1998)125-131，-0001，（）：
A model for designing functionally gradient ceramic tool materials with symmetrical distribulion is presented for the first time.fiased on the analysis of slress distribution for ceramic tools in the cutting process, the design of composition dlstrifiution was carried out with the aim of partial relaxation of stresses resuhing from external Ioadings by residual thermal stress in fabricaring process by means of finite element analysis of residual thermal stress for gradient ceramic tool malerials wilh differentcomposirional distributions. The principle for oprimal design was also proposed. An Al2O3/TiC funclionally grodlent ceramic toolmaterial. FG-I. was accordingly synlhesized by hot pressing.
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