Ceramic-metal composite joint body

Details Ceramic-metal composite joint body Ceramic-metal composite joint body

1993-11-19

1994-11-22

Cuda, Irene

Metal working

Method of mechanical manufacture

Impeller making

298892, 29525, B23P 1500

Patent

active

053656610

ABSTRACT:
A ceramic-metal composite joint body wherein a projection of a ceramic member is connected to a metal member, having a construction such that a ratio D between a circularity c of an outer portion of the projection and an outer diameter d of the projection: i.e., D=(c/d).times.100(%), is set to less than 0.03%. In this invention, since the ratio D=(c/d).times.100(%) is set to less than 0.03%, a stress concentration generated at a connection edge of the projection of the ceramic member can be reduced, and thus a ceramic-metal composite joint body having good reliability and durability can be obtained.

REFERENCES:
patent: 4156051 (1979-05-01), Nakamura et al.
patent: 4281941 (1981-08-01), Rettenkolber
patent: 4501095 (1985-02-01), Drinkuth et al.
patent: 4697325 (1987-10-01), Kamigaito et al.
patent: 4719074 (1988-01-01), Tsuno et al.
patent: 4719075 (1988-01-01), Tsuno et al.
patent: 4810585 (1989-03-01), Oda et al.
patent: 4854025 (1989-08-01), Oda et al.
patent: 4962002 (1990-10-01), Yoshida et al.
Transactions of Japan Society of Mechanical Engineers, Sep., 1986, "The Effects of Surface Roughness and Size on Fitting Strength of Shrink Fit Between Ceramic and Metal", Isami Nitta et al.; pp. 2503-2507.

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