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Old 11-23-2007, 10:34 PM   #1
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URI Eagle Ceramic Knives?

I was checking out an ad fro ceramic knives that appears here. I'm thinking it might be an inexpensive way to buy and try a ceramic kitchen knife.

They are at this site.

There are two lines, white diamond that are made with zirconium oxide and black diamond that are made with zirconium carbide.

Is anyone here familiar with this brand's performance?

Can any of the more technically inclined members explain the pros and cons of the zirconium oxide vs the zirconium carbide versions.
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Old 11-24-2007, 09:10 AM   #2
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Wow Andy - I am interested to hear what the technically inclined members have to say. I am a HUGE fan of kyocera ceramic knives. I might buy one just to see the difference.
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Old 11-24-2007, 09:13 AM   #3
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I am interested as well. I have been wanting a ceramic knife for a while now. The prices of these URI brand knives do not seem much (if any) better than the price of the Kyocera that I have seen recently.
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Old 11-24-2007, 10:08 AM   #4
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Shame on me, GB for not looking more closely at the Kyocera. They have less expensive lines that are in the same price range. I saw the top of the line price of $300. for a 6" Chef's knife and gagged.
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Old 11-24-2007, 10:41 AM   #5
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Boker is a company that sells a bunch of different kinds of knives, everything from rescue knives ( purchased one for my eldes son, who is a fireman, to some fine looking damascus blades, ceramic, and even titanium kitchen knives. And no, I don't sell their stuff, but have purchased several knives from them, mostly for hunting. Their catalogue (which is sent to your home) has more knives and better info than does their online site. Just wanted to make you aware of another company that sells both the black and white varieties of kitchen knives. Google Boker Knives and you will find them.

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Old 11-24-2007, 12:55 PM   #6
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Thanks for the tip, GW. I'll check them out.
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Old 11-24-2007, 09:55 PM   #7
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I would love some, but out of budget for any purchases right now. 've been wanting to get some for a while now.
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Old 11-24-2007, 10:10 PM   #8
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Quote:
Originally Posted by CharlieD View Post
I would love some, but out of budget for any purchases right now. 've been wanting to get some for a while now.
You'll love em!
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Old 11-25-2007, 01:02 PM   #9
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Andy M.
I know nothing about ceramic knives, but I know about sinterizing process which is the way you make cutting tools to machine steel: You shape pulverized high grade material, generally very hard and expensive, under extremely high pressure and temperature.
Zirconium carbide is widely used for this purpose. It is extremely hard, non-conductive (I guess you can't use a wall magnetic holder on this type of knife) and brittle.
I have not seen a ceramic knife, but I'd be concern about brittleness and day to day handle... if they are sinterised, I am not sure how you sharpen the blade.
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Old 11-25-2007, 01:55 PM   #10
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Ceramic knives in general are sent back to the manufacturer for sharpening with a diamond wheel (or whatever).

Brittleness has always been the one knock on ceramic knives. If you want one, you take the risk.
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