Claims
- 1. A tough porous non-evaporable getter product produced according to steps as follows:
- providing a solid alloy body of Zr, V and E wherein E consists of more than one of Fe, Ni, Mn and Al such that the proportions of each species are in weight percent
- E from 4 to 5,
- V from 10 to 16 and
- Zr balance to make 100 and from 79 to 86,
- introducing the body into a chamber and removing the air therefrom,
- charging the body with hydrogen for hydride formation to induce spontaneous pulverization of the body into the hydride powder and/or granules, forming the powder and/or granules into a desired getter shape, and
- sintering the shape under a dynamic vacuum or flowing inert gas at a temperature in the range of 900.degree. to 1200.degree. C. but below its melting temperature.
- 2. The product of claim 1 wherein the body comprises Zr, V, Fe and Ni.
- 3. The product of claim 1 wherein the body comprises Zr, V, Fe and Mn.
- 4. The product of claim 1 wherein the body comprises Zr, V, Al and Ni.
Parent Case Info
This is a divisional of application Ser. No. 126,750, filed Nov. 30, 1987 now U.S. Pat. No. 4,839,085.
US Referenced Citations (8)
Foreign Referenced Citations (2)
Number |
Date |
Country |
58-6046 |
Jan 1983 |
JPX |
1040 |
Jun 1983 |
JPX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
126750 |
Nov 1987 |
|