Ceramic/metal laminate for thermal shock involving applications

A laminate article of manufacture comprising a plurality of ceramic layers interposed by at least one metallic interlayer, such that a driving force for cracking in the laminate article is at least twice as much as compared with a similar monolithic ceramic article, wherein each of said ceramic layers has a thickness between 50 micrometers and 630 micrometers and further wherein each of said at least one metallic interlayer has a thickness between 10 micrometers and 100 micrometers, with the provision that a thickness of a certain metallic interlayer of said at least one metallic interlayer is less than a thickness of ceramic layers of said plurality of ceramic layers adjacent thereto.

A laminate article of manufacture comprising a plurality of ceramic layers interposed by at least one metallic interlayer, such that a crack arrest mechanism is formed at ceramic-metal interfaces, thereby reducing crack formation when exposed to thermal shock, as compared to a similar monolithic ceramic article, wherein each of said ceramic layers has a thickness between 50 micrometers and 630 micrometers and further wherein each of said at least one metallic interlayer has a thickness between 10 micrometers and 100 micrometers, with the provision that a thickness of a certain metallic interlayer of said at least one metallic interlayer is less than a thickness of ceramic layers of said plurality of ceramic layers adjacent thereto.

A laminate article of manufacture comprising a plurality of ceramic layers interposed by at least one metallic interlayer, such that substantially no interaction between cracking mechanisms developing in one ceramic layer with those in adjacent ceramic layers are evident upon thermal shock, wherein each of said ceramic layers has a thickness between 50 micrometers and 630 micrometers and further wherein each of said at least one metallic interlayer has a thickness between 10 micrometers and 100 micrometers, with the provision that a thickness of a certain metallic interlayer of said at least one metallic interlayer is less than a thickness of ceramic layers of said plurality of ceramic layers adjacent thereto.

A laminate article of manufacture comprising a plurality of ceramic layers interposed by at least one metallic interlayer, such that a cracking mechanism in each ceramic layer is substantially an independent event associated with a maximum tensile stresses in that layer, wherein each of said ceramic layers has a thickness between 50 micrometers and 630 micrometers and further wherein each of said at least one metallic interlayer has a thickness between 10 micrometers and 100 micrometers, with the provision that a thickness of a certain metallic interlayer of said at least one metallic interlayer is less than a thickness of ceramic layers of said plurality of ceramic layers adjacent thereto.

A laminate article of manufacture comprising a plurality of ceramic layers interposed by at least one metallic interlayer, such that a residual load to fracture of the laminated article following a thermal shock is at least two fold higher as compared to a similar monolithic ceramic article, wherein each of said ceramic layers has a thickness between 50 micrometers and 630 micrometers and further wherein each of said at least one metallic interlayer has a thickness between 10 micrometers and 100 micrometers, with the provision that a thickness of a certain metallic interlayer of said at least one metallic interlayer is less than a thickness of ceramic layers of said plurality of ceramic layers adjacent thereto.

An article of manufacture comprising a bulk ceramic or metal body being coated with a coat including a plurality of ceramic layers interposed by at least one metallic interlayer, such that a ductile behavior with energy dissipating feature is obtained for said coat, wherein each of said ceramic layers has a thickness between 50 micrometers and 630 micrometers and further wherein each of said at least one metallic interlayer has a thickness between 10 micrometers and 100 micrometers, with the provision that a thickness of a certain metallic interlayer of said at least one metallic interlayer is less than a thickness of ceramic layers of said plurality of ceramic layers adjacent thereto.

An article of manufacture comprising a bulk ceramic or metal body being coated with a coat including a plurality of ceramic layers interposed by at least one metallic interlayer, such that a crack arrest mechanism is formed at ceramic-metal interfaces, thereby reducing crack formation in the article when exposed to thermal shock, as compared to a similar monolithic ceramic article, wherein each of said ceramic layers has a thickness between 50 micrometers and 630 micrometers and further wherein each of said at least one metallic interlayer has a thickness between 10 micrometers and 100 micrometers, with the provision that a thickness of a certain metallic interlayer of said at least one metallic interlayer is less than a thickness of ceramic layers of said plurality of ceramic layers adjacent thereto.

An article of manufacture comprising a bulk ceramic or metal body being coated with a coat including a plurality of ceramic layers interposed by at least one metallic interlayer, such that substantially no interaction between cracking mechanisms developing in one ceramic layer with those in adjacent ceramic layers are evident upon thermal shock, wherein each of said ceramic layers has a thickness between 50 micrometers and 630 micrometers and further wherein each of said at least one metallic interlayer has a thickness between 10 micrometers and 100 micrometers, with the provision that a thickness of a certain metallic interlayer of said at least one metallic interlayer is less than a thickness of ceramic layers of said plurality of ceramic layers adjacent thereto.

An article of manufacture comprising a bulk ceramic or metal body being coated with a coat including a plurality of ceramic layers interposed by at least one metallic interlayer, such that a cracking mechanism in each ceramic layer is substantially an independent event associated with a maximum tensile stresses in that layer, wherein each of said ceramic layers has a thickness between 50 micrometers and 630 micrometers and further wherein each of said at least one metallic interlayer has a thickness between 10 micrometers and 100 micrometers, with the provision that a thickness of a certain metallic interlayer of said at least one metallic interlayer is less than a thickness of ceramic layers of said plurality of ceramic layers adjacent thereto.

An article of manufacture comprising a bulk ceramic or metal body being coated with a coat including a plurality of ceramic layers interposed by at least one metallic interlayer, such that a residual load to fracture of the article following a thermal shock is at least two fold higher as compared to a similar monolithic ceramic article, wherein each of said ceramic layers has a thickness between 50 micrometers and 630 micrometers and further wherein each of said at least one metallic interlayer has a thickness between 10 micrometers and 100 micrometers, with the provision that a thickness of a certain metallic interlayer of said at least one metallic interlayer is less than a thickness of ceramic layers of said plurality of ceramic layers adjacent thereto.