Boron Carbide blade coatings

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Oct 3, 1998
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As you already know, Benchmade is already using Boron Carbide blade coating on certain models. I made a post elsewhere in this forum about William Henry coming out with black bladed versions of their Carbon Fiber Series, and it appears that this is the same coating they will be using.

For those knife geeks (like me)
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who wish to find out more technical information on this coating, go to http://www.diamondblack.com

Possibly more knife companies will start using Boron Carbide to coat their blades.

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Proud member: AKTI, NCCKG, NCKK, and SCAK


Living life on the edge
 
Hi Dexter,

There are other geeks than you! Thanks for the info.


Regards Jan
 
Jan -
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Also, I believe we will see a lot more companies using Boron Carbide coatings in the future. The black titanium carbonitride coatings that have been prominent in the past few years will be waning.

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Proud member: AKTI, NCCKG, NCKK, and SCAK


Living life on the edge
 
Now as I recall, not just steels can be coated...how long before we get BlackDiamond Talonite?
Aaron

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aaronm@cs.brandeis.edu
My sheep has seven gall-bladders, that makes me King of the Universe!
 
Aaron - I'm not totally sure, but it seems to me that Talonite® does not need to be coated, other than for looks. The Boron Carbide / Diamond Black coating provides rust resistance and lubricity when cutting. These are two qualities inherent in Talonite® already.

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Proud member: AKTI, NCCKG, NCKK, and SCAK


Living life on the edge
 
<font face="Verdana, Arial" size="2">Originally posted by Dexter Ewing:
The Boron Carbide / Diamond Black coating provides rust resistance and lubricity when cutting. </font>

Hi, I'm Rob, and I'm a recovering geekaholic also.

Dexter, interesting post.

Diamondblack indicates this is an appropriate surface coating for machine tools, and that the hardness runs Rc90-93. That implies that this stuff should just be hands-down a far better coating than the black teflon based coatings as far as abrasion resistance to scratches/scrapes from normal blade use. I.e. if you like black, this stuff should hold up and look good much longer.

And the deposition temperature of 250F means the finished, heat treated blades won't be annealed or "drawn back" by the process... pretty cool, no pun intended.

Dexter, did Benchmade have anything out on their site about their perceptions and goals for Diamondblack?


[This message has been edited by rdangerer (edited 05-08-2001).]
 
rdangerer wrote:

<font face="Verdana, Arial" size="2">Diamondblack indicates this is an appropriate surface coating for machine tools, and that the hardness runs Rc90-93. That implies that this stuff should just be hands-down a far better coating than the black teflon based coatings as far as abrasion resistance to scratches/scrapes from normal blade use. I.e. if you like black, this stuff should hold up and look good much longer. </font>

Rob - you got it! My contact at Benchmade indicated that the BC coating is tougher than other black coatings, even Benchmade's own BT2 coating.

I was in touch with someone from Body Coat/Diamond Black (the company that does the BC coatins for BM and other knife companies), and he said that MicroTech has sent them their machine tools to coat with BC. MT uses these coated tools to machine the carbon fiber for the LCC models, as CF is a very abrasive material and will wear out expensive machine tools in time.

<font face="Verdana, Arial" size="2">Dexter, did Benchmade have anything out on their site about their perceptions and goals for Diamondblack? </font>

No they don't have any technical info on the site about the BC coating. Though, I did hear from the guy at Diamond Black that Benchmade did testing on BC coated blades and they really like the qualities of this coating (obviously
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)

The all-black look has pretty much run its course in production knives. The BC coating is more of a dark gray coating and it also has some reflection to it, I believe that it will eventually replace the matte black coatings that are prevalent in the tactical knife market. Heck, even William Henry Knives is releasing their carbon fiber series with BC coated blades - gentleman's knives!
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I have been invitied to visit Body Coat/Diamond Black's coating facility (conveniently, about an hour from where I live
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) to watch the actual coating process on knife blades, quite possibly some of Benchmade's. If they permit me to take photos and upload them to the Internet, you guys on BF will be the first to see. If not, I will do my best to give a text account of what I saw. more likely, it'll be later this summer at the earliest that I'm able to venture out there.

Going off on a tangent, knives are just a part of what BC/DB works with. They have a huge coating facility in Mexico in which they do coatings for Schlage (sp?), the company famous for their dead bolts.



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Proud member: AKTI, NCCKG, NCKK, and SCAK


Living life on the edge
 
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