US2015499A - Gold alloy - Google Patents
Gold alloy Download PDFInfo
- Publication number
- US2015499A US2015499A US582654A US58265431A US2015499A US 2015499 A US2015499 A US 2015499A US 582654 A US582654 A US 582654A US 58265431 A US58265431 A US 58265431A US 2015499 A US2015499 A US 2015499A
- Authority
- US
- United States
- Prior art keywords
- gold
- gold alloy
- beryllium
- alloys
- hardness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/02—Alloys based on gold
Definitions
- This invention relates to gold alloys of high gold content characterized by great hardness.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Adornments (AREA)
- Laminated Bodies (AREA)
Description
Patented Sept. 24, 1935 The Beryllium Corporation, New York, N. Y. a corporation of Delaware No Drawing Application December 22, 1931, Serial N0. 582,654
2 Claims.
This invention relates to gold alloys of high gold content characterized by great hardness.
Known alloys of high gold content are, almost uniformly, extremely soft and, therefore, nonresistant to wear. Yet some commercial necessities of maintaining a high gold proportion has made it difiicult to increase the hardness of the precious metal.
I have found that beryllium, added in relatively small quantities, not over 5% in total, conIers upon gold and alloys predominant in gold 'the hardness desired. As little as 0.2% is definitely effective, and the optimum ratio, for most work,
is between 0.5% and 1.0%.
Of course, the usual gold alloying elements,
such as copper, silver, nickel and aluminum, may
also be added, in order to reduce the carat value of the gold article or to impart special mechanical characteristics to it, but the hardening eflect resulting from the use of beryllium remains unchanged as long as the alloy predominates in gold.
1. An alloy composed of gold and beryllium, the latter being present in amounts from .2% to 5%.
2. An alloy composed of gold and beryllium, the latter being present in amounts from 5% to 1%.
JOSEPH KENT SMITH.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US582654A US2015499A (en) | 1931-12-22 | 1931-12-22 | Gold alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US582654A US2015499A (en) | 1931-12-22 | 1931-12-22 | Gold alloy |
Publications (1)
Publication Number | Publication Date |
---|---|
US2015499A true US2015499A (en) | 1935-09-24 |
Family
ID=24329960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US582654A Expired - Lifetime US2015499A (en) | 1931-12-22 | 1931-12-22 | Gold alloy |
Country Status (1)
Country | Link |
---|---|
US (1) | US2015499A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2556921A (en) * | 1947-08-28 | 1951-06-12 | Hirsch Harold | Gold beryllium alloy and method of making same |
US4466940A (en) * | 1981-10-27 | 1984-08-21 | Demetron Gesellschaftfur Electronik-Werstoffe mbh | Multicomponent alloy for sputtering targets |
US4993622A (en) * | 1987-04-28 | 1991-02-19 | Texas Instruments Incorporated | Semiconductor integrated circuit chip interconnections and methods |
-
1931
- 1931-12-22 US US582654A patent/US2015499A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2556921A (en) * | 1947-08-28 | 1951-06-12 | Hirsch Harold | Gold beryllium alloy and method of making same |
US4466940A (en) * | 1981-10-27 | 1984-08-21 | Demetron Gesellschaftfur Electronik-Werstoffe mbh | Multicomponent alloy for sputtering targets |
US4993622A (en) * | 1987-04-28 | 1991-02-19 | Texas Instruments Incorporated | Semiconductor integrated circuit chip interconnections and methods |
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