Method for prestressing a body of ceramic material

Details Method for prestressing a body of ceramic material Method for prestressing a body of ceramic material

1972-04-17

1976-06-01

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

29447, 29452, 294695, 264 61, 264 66, 264228, 264231, B28b 2304

Patent

active

039609952

ABSTRACT:
Thermal prestressing methods using unit and selective heating of tendons incorporated in a ceramic or cermet body to selectively elongate the tendon with respect to the body and soften the latter. Upon cooling an anchorage bond is formed between the body and the ends of the tendons, which bond develops a tension in the tendon and prestress in the body upon further cooling. Bodies are also prestressed by forming a bond between the tendon and the body and then heating the body in use so as to elongate the tendon relative to the body, the tendon having a greater coefficient of expansion than the material of the body.

REFERENCES:
patent: 1960120 (1934-05-01), Mohring
patent: 2061105 (1936-11-01), Ruml
patent: 2319105 (1943-05-01), Billner
patent: 2325469 (1943-07-01), Boissou
patent: 2609586 (1952-09-01), Parry
patent: 2727293 (1955-12-01), Barnett et al.
patent: 2794481 (1957-06-01), Anderson
patent: 3290197 (1966-12-01), Carmody

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