Metal articles
Abstract
Abstract THIS APPLICATION PERTAINS TO NEW AND IMPROVED METAL COMPOSITE ASSEMBLIES FOR PACK INTO COMPOSITE ARTICLES AND NEW AND IMPROVED POWDERED-METAL COMPACTED ARTICLES AND TO METHODS FOR PRODUCING ARTICLES OF THESE TYPES AND, MORE PARTICULARLY, TO NEW AND IMPROVED METHODS FOR PRODUCING AND MAINTAINING CLEAN METAL SURFACES AND IMPROVING BONDING DURING MANUFACTURE OF THE ARTICLES. FOR THIS PURPOSE THE PRESENT INVENTION PROVIDES AS A GETTER A BETA ALLOY OF TITANIUM CHARACTERIZED BY A BETA MICRO-STRUCTURE HAVING SUBSTANTIAL THERMAL STABILITY THROUGHOUT ALL HEATING AND DEFORMING OPERATIONS PERFORMED UPON THE METAL ASSEMBLY WITH WHICH THE GETTER IS USED. THE ALLOY IS SUBSTANTIALLY FREE OF OTHER ALLOYING ELEMENTS THAT ARE PRODUCTIVE OF EUTECTIC COMPOSITIONS WITH IRON HAVING MELTING POINTS BELOW THE MAXIMUM TEMPERATURES USED IN THE HEATING OF THE METAL ASSEMBLY. SPECIFICALLY, A PREFERRED GETTER IN ACCORDANCE WITH THE INVENTION IS AN ALLOY CONSISTING ESSENTIALLY OF ABOUT 13% BY WEIGHT OF VANADIUM, 11% BY WEIGHT OF CHROMIUM, 3% BY WEIGHT OF ALUMINUM, AND THE BALANCE SUBSTANTIALLY TITANIUM.
Inventors
- 👤 Milton B Vordahl
Bibliographic Details
Claims Analysis
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
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