spherical ceramic products

[hydrusman]

Can anyone direct me to a manufacturer of spherical ceramic products?
Thank you.

 

[tomwalz]

ceramic balls on google or yahoo.

Helps if you know the application and / or material.

In my experience (and depending on what you mean by ceramic)I start with Coors.

Tom

Thomas J. Walz
Carbide Processors, Inc.

http://www.carbideprocessors.com

 

[sreid]

Silicon Nitride?

http://www.hooverprecision.com/html/hoover_-__ceramic__silicon_nit.html

 

[hydrusman]

Sorry, should have been more specific. Would
be an alumino-silicate ceramic along the lines of a well proppant.
Any thoughts?

 

[tomwalz]

We're working with some pretty incredible materials from Coorstek

http://www.coorstek.com

for downhole applciations.

Might be worth a try.

Would Alumino-silicate be Greenleaf alumina reinforced with SiC fibers?

Thomas J. Walz
Carbide Processors, Inc.

http://www.carbideprocessors.com

 

[hydrusman]

Thanks for the suggestion. I don't think they have the prilling or rotary kiln equipment but I will touch base with them to see if its possible.

 

[tomwalz]

Another thought.

The guys on Practical Machinist are talking about ceramic ball bearings for racing cars, motorcycles, etc. You might start with ball bearing suppliers and work backwards.

http://www.practicalmachinist.com/vb/showthread.php?t=146814&highlight=ceramic+bearing

Thomas J. Walz
Carbide Processors, Inc.

http://www.carbideprocessors.com

 

[Compositepro]

An oil well proppant is pumped down oil wells to keep cracks underground open so that oil can flow to the well more freely. It needs little pricision in size but has to be cheap. There are companies that make it from fly-ash but I'm not in that business. A google search would seem to be appropriate, or ask the question in the petroleum production forum.

 

[ldonuke]

We make ceramic spheres and test them to 17,000 psi.

John

http://www.deepsea.com

 

[unclesyd]

A little late, hope this helps.

http://refractron.com/zirconia_ceramic_material.asp

 

[bzandy]

you can reach

http://www.shengkai.com/en

for the ceramic ball valve. Hope this website will be your solution. Or you can email to andybear513@hotmail.com for the electronic brochure of ceramic ball valve (material:zirconia+alumina ceramic)