Manufacturing steps of stainless steel and zirconia ceramic composite parts

Release time：2024-09-18click：0

The performance of zirconia ceramics itself is already very excellent. If it is combined with high-quality stainless steel materials, wouldn't the advantages of this composite part be even more obvious? But it is necessary to first clarify whether stainless steel can be combined with zirconia ceramics, and then proceed step by step.

Zirconium oxide ceramicWith high toughness, high Bending strength, high wear resistance, excellent thermal insulation performance, thermal expansion coefficient and other advantages are favored by users. Now it has one of the unique features, that is, it is combined with stainless steel to form a kind of stainless steel with oxidation. Zirconium ceramic composite parts.

During actual production, the required materials must be prepared first. In addition to stainless steel parts and zirconia ceramic parts, molybdenum foil is also required and nickel foil as auxiliary materials. Then inZirconium oxide ceramicThe nickel metal layer is deposited on the surface of the component. The process is very simple. , just put the zirconia ceramics, molybdenum foil, nickel foil and stainless steel parts together into a connecting mold.

In this way, the molybdenum foil and nickel foil will be sandwiched between the zirconia ceramic parts and the stainless steel parts, and the molybdenum foil and The nickel metal layer on the zirconia ceramic piece is adjacent, and the nickel foil is adjacent to the stainless steel piece. The connection mold is then put into a hot-pressing sintering furnace, and the zirconia ceramic parts, molybdenum foil, nickel foil and stainless steel parts are solid-phase diffusion connected under a protective atmosphere, thereby obtaining a stainless steel and zirconia ceramic composite part.

After the workpiece has cooled, it can be taken out of the hot pressing sintering furnace, thus obtaining the stainless steel and zirconia ceramic composite parts mentioned before. Since the melting point of zirconia is higher than that of stainless steel, stainless steel will generally melt before zirconia. As long as the above method is followed, the two can be well combined.

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