Tool wear characteristics analysis of cBN cutting tools in high-speed turning of Inconel 718

被引:25
作者
Tu, Luqiang [1 ]
Lin, Liangliang [4 ]
Liu, Chao [5 ]
Zheng, Tianchang [3 ]
Deng, Yadi [2 ]
Han, Lei [3 ]
An, Qinglong [1 ]
Ming, Weiwei [1 ]
Chen, Ming [1 ]
机构
[1] Shanghai Jiao Tong Univ, Sch Mech Engn, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China
[2] Dongfang Turbine Co Ltd, DTC, Deyang 618000, Sichuan, Peoples R China
[3] Shanghai Elect Power Generat Equipment Co Ltd, Turbine Plant, Shanghai 200240, Peoples R China
[4] Xiamen Golden Egret Special Alloy Co LTD, Xiamen, Peoples R China
[5] Xiamen Tungsten Co LTD, Xiamen, Peoples R China
关键词
Nickel-based superalloys; Cubic boron nitride; Tool wear characteristics; RESIDUAL-STRESS; THERMAL-CONDUCTIVITY; ANALYTICAL-MODEL; TEMPERATURE; MECHANISMS; PREDICTION; DRY; PERFORMANCE; TI-6AL-4V; ALLOYS;
D O I
10.1016/j.ceramint.2022.09.034
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Nickel-based superalloy is a critical material for turbine engine components in the aerospace application, but the poor machinability and low machining efficiency have further hampered it to be used widely. Cubic boron nitride (cBN), having extreme hardness and chemical inertness, is the potential candidate to process superalloys. In this paper, we systematically investigated the tool wear characteristic of cBN at different cutting speeds in dry turning of Inconel 718 by experiments and FEM simulations. The FEM model with initial flank wear land (VB) was established and validated. Effects of cutting speeds (200-400 m/min) on cBN tool life and wear mechanisms were systematically investigated. Effects of tool flank wear on cBN tool cutting edge temperature field and Inconel 718 machined surface layer stress distribution were analyzed by FEM simulations.
引用
收藏
页码:635 / 658
页数:24
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