Polymer quenchants based on polyalkylene glycols (PAG) are currently the most widely used type of aqueous quenchants. In this paper, the numerical simulation method by Sysweld software was used to predict the distortions of C-ring model made by 100Cr6 steel when quenched in the difference media. The simulation results are good agreement with the experimental values, and they also show that the top of C-ring was opened after deformation. The gap opening of C-ring specimens when quenched in PAG 20% solution is the smallest in comparing with the specimens are quenched in water, oil and PAG 10% solution. On the other hand, the research results also show that the distortion at the top of C-ring is the largest and they are decreased from the top to the bottom of C-ring.
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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