Novel solid solution, heat-resistant sintered body and method of

Details Novel solid solution, heat-resistant sintered body and method of Novel solid solution, heat-resistant sintered body and method of

1988-08-16

1990-05-15

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

501102, 501103, 501106, 423306, C04B 3548

Patent

active

049258168

ABSTRACT:
A novel solid solution has a composition of R.sub.y Zr.sub.4 Si.sub.x P.sub.6-x O.sub.24 (R is at least one forming bivalent or trivalent element 0.ltoreq.x.ltoreq.2, 2/3.ltoreq.y.ltoreq.2). Furthermore, a heat-resistant sintered body and heat-resistant phosphate based compound sintered body comprises the above solid solution and has excellent heat resistance and high temperature stability. And also, a method of producing such sintered bodies is disclosed.

REFERENCES:
patent: 3954525 (1976-05-01), Myles et al.
patent: 4247249 (1981-01-01), Siemers
patent: 4526844 (1985-07-01), Yoldas et al.
patent: 4587172 (1986-05-01), Roy et al.
patent: 4703023 (1987-10-01), Yamai
Bergeron et al., Introduction to Phase Equilibria in Ceramics, (1984), pp. 32-38.
Limaye et al., "Synthesis and Thermal Expansion of MZr.sub.4 P.sub.6 O.sub.24 (M=Mg, Ca, Sr, Ba)", J. Am. Cerm. Soc., vol. 70, No. 10, pp. 232-236, (1987).
Yamai et al., "Low-Thermal-Expansion Polycrystalline Zirconyl Phosphate Ceramic", J. Am. Cerm. Soc., vol. 68, No. 5, pp. 273-278, (1985).

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