Coating processes – Direct application of electrical – magnetic – wave – or... – Ion plating or implantation
Patent
1992-12-18
1994-06-28
Derrington, James
Coating processes
Direct application of electrical, magnetic, wave, or...
Ion plating or implantation
4273977, 427530, 427531, C04B 3556, B04B 3558
Patent
active
053245512
ABSTRACT:
A slidable ceramic member includes a base of a sintered ceramic material which is a compound including silicon (Si) as a constituent element, the base having a sliding surface, and a coated layer covering the sliding surface of the base, the coated layer comprising a compound of elements, such as barium (Ba) and calcium (Ca), belonging to group IIa of the periodic table, silicon (Si), and oxygen (O). The slidable ceramic member is used as a slidable component of a heat engine such as a cylinder liner or a piston ring which is subjected to repeated thermal stresses. Such a slidable ceramic member is manufactured by placing powder of a fluoride including elements belonging to group IIa of the periodic table on a surface of a base, and heating the base while rubbing the powder against the surface of the base, whereby the silicon (Si) contained in the base and the group-IIa elements contained in the powder can react with each other, thereby forming a slidable layer on the surface of the base.
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Derrington James
Isuzu Ceramics Research Institute Company, Ltd.
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