Claims
- 1. A solid lubricant system for use in the production of metal powder compacted parts, said solid lubricant system being capable of forming a liquid phase upon application of pressure.
- 2. A solid lubricant system as set forth in claim 1 comprising a fatty acid.
- 3. A solid lubricant system as set forth in claim 2 wherein said fatty acid comprises lithium stearate.
- 4. A solid lubricant system as set forth in claim 1 that displays a viscosity of from about 1000 to about 6000 poise at a shear rate of 1000 1/second.
- 5. A solid lubricant system as set forth in claim 1 for use as a die wall lubricant.
- 6. A solid lubricant system as set forth in claim 1 comprising a fatty acid material and a guanidine material.
- 7. A solid lubricant system as set forth in claim 1 comprising a guanidine material.
- 8. A solid lubricant system as set forth in claim 1 comprising a synthetic wax and a fatty acid ester.
- 9. A solid lubricant system as set forth in claim 1 comprising an amide wax.
- 10. A solid lubricant system as set forth in claim 2 wherein said fatty acid comprises stearic acid.
- 11. A solid lubricant system as set forth in claim 2 wherein said fatty acid comprises lauric acid.
- 12. A solid lubricant system as set forth in claim 2 wherein said fatty acid comprises a mixture of stearic acid, palmitic acid and lauric acid.
- 13. A solid lubricant system as set forth in claim 7 wherein said guanidine material comprises guanidine stearate
- 14. A solid lubricant system as set forth in claim 7 wherein said guanidine material comprises guanidine ethyl-neonate.
- 15. A solid lubricant system as set forth in claim 7 wherein said guanidine material comprises a mixture of guanidine stearate and guanidine ethyl-hexonate.
- 16. A composition for use in forming a pressed ceramic part comprising a mixture of a ceramic powder and a solid lubricant system, at least a portion of said solid lubricant system converting to a liquid phase upon application of pressure to said composition.
- 17. A composition as set forth in claim 16 wherein said lubricant system comprises a fatty acid material and a guanidine material.
- 18. A composition as set forth in claim 16 wherein said lubricant system comprises a guanidine material.
- 19. A composition as set forth in claim 16 wherein said lubricant system comprises a synthetic wax and a fatty acid ester.
- 20. A composition as set forth in claim 18 wherein said guanidine material comprises guanidine stearate.
Parent Case Info
[0001] This application claims priority to provisional application Serial No. 60/312,310 filed Aug. 14, 2001 and non-provisional application Ser. No. 10/217,137 filed Aug. 12, 2002 both entitled LUBRICANT SYSTEM FOR USE IN POWDERED METALS.
Divisions (1)
|
Number |
Date |
Country |
Parent |
10217137 |
Aug 2002 |
US |
Child |
10720590 |
Nov 2003 |
US |