인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
크롬 서지관리 다운로드
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
Insulating cutting ceramics exhibit outstanding mechanical and thermal properties but have electrical conductivity below the percolation threshold. It does not allow sophisticated shapes to be obtained by diamond grinding and polishing. The developed innovative technique is based on choosing the wear-resistant coating based on the chemical composition of the cutting ceramics and its behaviour at 1000–10 000°C, including changing the electrical conductivity from insulating to conducting level, dissociation/sublimation of its components and forming new conductive compounds during cooling that improves the conductive conditions in the interelectrode gap. Thus, the coating plays a wear-resistant role and serves as a technological asset in shaping methods based on the electrical destruction of the materials under discharges. TiZrN coating was deposited on a Si 3 N 4 cutting insert using the vacuum-plasma method, with a thickness of 3.8–4.0 μm. The ceramics was microtextured by powder-mixed wire electrical discharge machining in TiO 2 -suspension, d w = 0.25 mm. The coated samples were subjected to adhesion and wear-resistance tests. Failure criterion in machining XH45MBTJuBP alloy was chosen a chamfer of 400 μm. The durability of the TiZrN-coated Si 3 N 4 ceramic insert was improved by 1.33.
인공지능 문자 인식 모델을 통해 추출된 텍스트로, 일부 오타나 오류가 포함될 수 있으나 지속적으로 개선 중입니다.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
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