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특허 상세정보

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내보내기 페이스북 공유 카카오톡 공유

Wear resistant steel articles with carbon, oxygen and nitrogen implanted in the surface thereof

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C23C-015/00   
미국특허분류(USC) 148/315 ; 148/39 ; 204/192N ; 427/38
출원번호 US-0390716 (1982-06-21)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 75  인용 특허 : 1
초록

The present invention pertains to steel articles having improved wear and friction properties and the method of producing these articles. A steel surface containing relatively high levels of nitrogen and having a surface film containing carbon is implanted with high energy ions. Overlapping layers enriched in carbon and nitrogen are formed beneath the surface and provide the steel with a surface that has improved wear and friction characteristics.

대표
청구항
▼

A steel member having a low friction, high wear resistance surface layer formed by the process comprising the steps of: diffusing nitrogen into said surface by thermal means; forming an oxygen containing film; forming a carbon containing film on said surface; then implanting nitrogen into said surface using accelerating beam voltages between about 10 and 400 KeV in a vacuum of about 10-4 to 10-3 Pa until a fluence of about 0.5×1017 to 2×1017 nitrogen ions/cm2 is achieved; and wherein said implanting of nitrogen results in implanting carbon and oxygen int...

이 특허에 인용된 특허 (1)

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이 특허를 인용한 특허 피인용횟수: 75

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