[특허]Method of providing a zirconium surface and resulting product

Method of providing a zirconium surface and resulting product 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-002/02 A61L-027/30 C23C-008/02 C23C-008/10 C23C-030/00 A61F-002/30 C22C-045/10
출원번호	US-0058425 (2016-03-02)
등록번호	US-9764061 (2017-09-19)
발명자 / 주소	Hunter, Gordon Jani, Shilesh Pawar, Vivek
출원인 / 주소	Smith & Nephew, Inc.
대리인 / 주소	Taft Stettinius & Hollister LLP
인용정보	피인용 횟수 : 0 인용 특허 : 114

초록 ▼

A coating of blue-black or black zirconium of uniform and controlled thickness on a zirconium or zirconium alloy material is accomplished through the treatment of an amorphous zirconium or zirconium alloy substrate, which may have an altered surface roughness. The treatment of amorphous zirconium or zirconium alloy substrates includes oxidation of the substrates. A zirconium coating of uniform and controlled thickness is especially useful in various applications because the uniformly thick zirconium surface of controlled depth provide a barrier against implant corrosion caused by ionization of the metal substrates.

대표청구항 ▼

1. An article of manufacture comprising: a zirconium or zirconium alloy having an amorphous structure; anda surface layer of blue-black or black zirconium oxide on at least a portion of the zirconium or zirconium alloy, wherein the surface layer has a substantially uniform thickness. 2. The article of claim 1, wherein the portion of the zirconium or zirconium alloy further comprises an altered surface roughness. 3. The article of claim 2, wherein said altered surface roughness comprises a surface roughness (Ra) in a range of about 3 microinches to about 25 microinches. 4. The article of claim 1, wherein the oxidized surface layer is formed by oxidation of the zirconium or zirconium alloy. 5. The article of claim 1, wherein said surface layer has a thickness of up to about 20 microns. 6. A component having a durable, wear-resistant and corrosion-resistant surface, comprising: a substrate comprising a zirconium or zirconium alloy having an amorphous structure; anda surface layer of blue-black or black oxidized zirconium on at least a portion of the substrate, the surface layer of oxidized zirconium formed by oxidation of the zirconium or zirconium alloy, wherein the surface layer has a substantially uniform thickness. 7. The component of claim 6, wherein the zirconium or zirconium alloy comprises an altered surface roughness prior to the oxidation. 8. The component of claim 7, wherein said altered surface roughness comprises a surface roughness (Ra) in a range of about 3 microinches to about 25 microinches. 9. The component of claim 6, wherein said surface layer has a thickness of up to about 20 microns. 10. A method for producing a component having a durable, wear-resistant and corrosion-resistant surface, comprising: providing a substrate comprising a zirconium or zirconium alloy having an amorphous structure; andoxidizing a surface of the substrate under conditions operable to produce a substantially uniform thickness coating of blue-black or black zirconium oxide on the substrate. 11. The method of claim 10, further comprising, before the oxidizing, altering a surface roughness of the zirconium or zirconium alloy. 12. The method of claim 11, wherein the altering comprises altering to a surface roughness (Ra) in the range of about 3 microinches to about 25 microinches. 13. The method of claim 11, wherein the altering the surface roughness comprises an abrasive surface preparation process comprising an action selected from the group consisting of grinding, buffing, mass finishing, vibratory finishing and any combination thereof. 14. The method of claim 10, wherein the oxidizing comprises the use of air as an oxidant. 15. The method of claim 10, wherein the oxidizing comprises the use of oxygen as an oxidant. 16. The method of claim 10, wherein the zirconium or zirconium alloy comprises about 0.3 percent oxygen by weight. 17. The method of claim 10, wherein said oxidizing comprises furnace oxidation with oxygen at a temperature in a range of about 900 degrees F. to 1300 degrees F. 18. The method of claim 10, wherein said oxidizing comprises salt-bath oxidation with at least one salt selected from the group consisting of chlorides, nitrates, cyanides, and a combination thereof.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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Method of providing a zirconium surface and resulting product 원문보기

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Method of providing a zirconium surface and resulting product 원문보기

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