The manual option is to find a diamond sharpening stone. These have diamond electroplated to the surface, which makes the stone hard enough to grind away ceramic blade edges. If you use the right ceramic knife sharpener and take the process slow, without applying any downward pressure, you can give your ceramic knife an edge you can shave with. This stuff is almost diamond-like in hardness. Much harder than a stainless steel knife [ source ]. Also, you do not want to apply any lateral pressure while sharpening a ceramic knife because the edge is extremely brittle.
These are commonly made by dry —pressing zirconia powder and then firing these through a solid-state sintering. Ceramic knives have a very hard edge, significantly decreasing the need for sharpening.
Aside from their hard edges, ceramic knives have other advantages as well. They resist stain and rust. Plus, these are very lightweight knives. You can return the ceramic knife to the manufacturer for sharpening, although you may find this option inconvenient.
Ceramic Knives and knife sharpener on the chopping board. So how can you sharpen ceramic knives? Read on and find out. You can invest in an electric knife sharpener as this is one tool that you can use in sharpening your ceramic knives. However, there are only a handful of electric knife sharpeners good enough to sharpen ceramic knives. I have the Kyocerca Advanced Ceramic Electric Diamond Knife Sharpener at home, and so far, it has done a good job of sharpening both ceramic and steel knives.
This is a battery powered device which features a diamond grinding stone capable of removing up to 0. I suggest you wear cut-resistant gloves in using an electric knife sharpener. Hold the sharpener down with one hand, while holding the ceramic knife in the other hand. Register Log in. Wishlist 0. You have no items in your shopping cart.
Back Care and Use Sharpening. Back NEW! Repair information for cutlery that's not made of metal. I bought some ceramic knives when I had my steel one sharpened. Loved them—for say 6 months.
Then—well, steel knives I sharpen with the steel, and then have them ground. Contrary to prior answers, ceramic knives do need to be sharpened as they do get dull. It's a common misconception with ceramic knives that they never need to be sharpened or almost never get dull. The main advantage that ceramic knives have over steel knives is that they don't need to be sharpened as often. And depending on usage, you may be able to go months or years without sharpening a ceramic knife. Over time the ceramic blade develops small chips that makes the edge dull.
You can find a professional knife sharpener that has a powered diamond wheel or you can buy a diamond wheel sharpener for ceramic knives. There's 2 options on the market now, both are powered diamond wheel sharpeners only use diamond wheels to sharpen your ceramic blade :. Maybe better choice for your household is more universal the WSKTS sharpening tool with diamond belts - special for ceramic knives.
I know we live in a "throw-a-way" world, but the sharpness level on my ceramics is insurmountable compared to everything. It's the biggest problem of ceramic knives, besides that you are better not to drop it on the floor. There are very beautiful pieces. Unless you are cutting other ceramics or diamonds, these knives should almost never get dull. Use a wood or bamboo cutting board ceramic, glass or metal is a no-no and push less.
They cut so well because they are so much harder than anything you will encounter in cooking. Bone has a hardness of about 3. Diamonds are If you really want to sharpen them you will need a fine or very fine diamond sharpener. The diamond size should be as small as you can get— or more 6 microns or smaller. DMT makes good ones. You can find diamond sharpeners at better hardware, woodworking, and sporting goods stores.
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