This paper studied the formulation of chip in high-speed milling of A6061 aluminum alloy. To verify the chip formation and microstructure, experimental results of the chip morphology were derived. To verify the fprmation and microstructure of the chip, experimental results of the chip morphology was performed using SEM. Then, the effects of cutting parameters on the width and structure of free-surface of the chip were examined. The deformability of material and interaction at the tool-chip contact were also identied. The experimental results showed that high-speed milling produced serrated chip, which was significantly affected by the friction at tool and chip contact.
high-speed milling of A6061 aluminum alloy, serrated chip, structure of free-surface of the chip
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TẠP CHÍ KHOA HỌC VÀ CÔNG NGHỆ Giấy phép số37/GP-BTTTT (15/01/2021) Giấy phép sửa đổi, bổ sung số140/GP-BTTTT (05/3/2021) Đơn vị cấp phép:Bộ Thông tin và Truyền thông Cơ quan chủ quản:Trường Đại học Bách Khoa Hà Nội Phó tổng biên tập phụ trách:GS. Đinh Văn Phong