Metal-ceramic combination

Details Metal-ceramic combination Metal-ceramic combination

1986-03-10

1989-08-15

Croyle, Carlton R.

Pumps

Motor driven

Fluid motor

416241B, F04B 1700

Patent

active

048569704

ABSTRACT:
In a metal-ceramic combination wherein a monobloc ceramic member comprising a base, a protrusion integrally formed on the base and an easement portion on and around the root of the protrusion, is combined with a metallic member, an improved combination having an excellent strength in total is obtained by fitting the protrusion tightly into a recession or conduit of the metallic member, leaving clearance of 0.5 mm or more between the easement portion and a defined edge of joint interface of the said two members. The combination of the invention is particularly useful for engine parts to be subjected to high temperatures and repeated stresses such as a turbocharger rotor, piston, tappet, rocker arm, exhaust valve, cam and the like.

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