IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0138087
(2002-05-03)
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발명자
/ 주소 |
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출원인 / 주소 |
- Honeywell International, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
3 인용 특허 :
26 |
초록
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An alloy based on a refractory metal such as rhenium resists oxidation by the inclusion of alloying substances with affinity for oxygen or other oxidizing substances. This alloy has excellent high temperature strength and will resist oxidation. The alloy includes oxidation resistant substances, such
An alloy based on a refractory metal such as rhenium resists oxidation by the inclusion of alloying substances with affinity for oxygen or other oxidizing substances. This alloy has excellent high temperature strength and will resist oxidation. The alloy includes oxidation resistant substances, such as soluble metals, that attract oxygen and may form a protective oxide layer over the remaining portion of the rhenium-alloy part or piece. Such soluble alloying constituents may include chromium, cobalt, nickel, titanium, thorium, aluminum, hafnium, vanadium, silicon, aluminum, and yttrium.
대표청구항
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1. A rhenium-base oxidation-resistant alloy, comprising: at least fifty percent (50%) rhenium by atomic percent; and at least thirty percent (30%) of the alloy by atomic percent comprising: cobalt;chromium; andmanganese; wherebyan oxidation rate of a resulting alloy thereof is significantly di
1. A rhenium-base oxidation-resistant alloy, comprising: at least fifty percent (50%) rhenium by atomic percent; and at least thirty percent (30%) of the alloy by atomic percent comprising: cobalt;chromium; andmanganese; wherebyan oxidation rate of a resulting alloy thereof is significantly diminished from that of pure rhenium.2. A rhenium-base oxidation-resistant alloy as set forth in claim 1, wherein the cobalt further comprises: cobalt by atomic percent in a range from approximately 0% to 50%. 3. A rhenium-base oxidation-resistant alloy as set forth in claim 1, wherein the chromium further comprises: chromium by atomic percent in a range from approximately 0% to 15%. 4. A rhenium-base oxidation-resistant alloy as set forth in claim 1, wherein the manganese further comprises manganese by atomic percent in a range from approximately 0% to 10%. 5. A rhenium-base oxidation-resistant alloy as set forth in claim 1, comprising: nickel. 6. A rhenium-base oxidation-resistant alloy as set forth in claim 5, wherein the nickel further comprises: nickel by atomic percent in a range from approximately 0% to 15%. 7. A rhenium-base oxidation-resistant alloy as set forth in claim 1, wherein the oxidation rate is reduced or approximately zero up to 1200° F. compared to pure rhenium.8. A rhenium-base oxidation-resistant alloy as set forth in claim 1, further comprising elements selected from the group consisting of: vanadium, silicon, aluminum, yttrium, and thorium. 9. An oxidation-resistant alloy, comprising: approximately fifty-five percent (55%) rhenium by atomic percent; approximately twenty percent (20%) cobalt by atomic percent; approximately ten percent (10%) chromium by atomic percent; approximately ten percent (10%) nickel by atomic percent; and approximately five percent (5%) manganese by atomic percent; whereby an oxidation rate of a resulting alloy thereof is approximately zero up to 1200° F. and a lower rate thereafter compared to pure rhenium. 10. An oxidation-resistant alloy as set forth in claim 9, further comprising elements selected from the group consisting of: vanadium, silicon, aluminum, yttrium, and thorium. 11. A rhenium-base oxidation-resistant alloy, comprising: at least 50% rhenium by atomic percent; and at least thirty percent (30%) of the alloy by atomic percent comprising an alloying substance with an affinity for oxygen, the alloying substance at least partially soluble in rhenium, the alloying substance at least partially dissolved in the rhenium, wherein the alloying substance comprises cobalt, chromium and manganese; whereby an alloy is produced by the combination of the rhenium and the alloying substance that is more resistant to oxidation. 12. A rhenium-base oxidation-resistant alloy as set forth in claim 11, further comprising: the cobalt being cobalt by atomic percent in a range from approximately 0% to 50%. 13. A rhenium-base oxidation-resistant alloy as set forth in claim 11, further comprising: the chromium being chromium by atomic percent in a range from approximately 0% to 15%. 14. A rhenium-base oxidation-resistant alloy as set forth in claim 11, further comprising: the manganese being manganese by atomic percent in a range from approximately 0% to 10%. 15. A rhenium-base oxidation-resistant alloy as set forth in claim 11, further comprising: nickel. 16. A rhenium-base oxidation-resistant alloy as set forth in claim 15, further comprising: the nickel being nickel by atomic percent in a range from approximately 0% to 15%. 17. A rhenium-base oxidation-resistant alloy as set forth in claim 11, further comprising elements selected from the group consisting of: vanadium, silicon, aluminum, yttrium, and thorium. 18. A rhenium-base oxidation-resistant alloy, comprising: at least 50% rhenium by atomic percent; at least 30% of an alloying substance by atomic percent with an affinity for oxygen, the alloying substance at least partially soluble in the refractory metal, the alloying substance at least partially dissolved in the refractory metal and including a mixture of at least cobalt, chromium, and manganese; the cobalt being cobalt by atomic percent in a range from approximately 0% to 50%; the chromium being chromium by atomic percent in a range from approximately 0% to 15%; and the manganese being manganese by atomic percent in a range from approximately 0% to 10%; whereby an alloy is produced by the combination of the refractory metal and the alloying substance that is more resistant to oxidation. 19. A rhenium-base oxidation-resistant alloy as set forth in claim 18, further comprising: nickel, the nickel being nickel by atomic percent in a range from approximately 0% to 15%.
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