微纳米复合陶瓷刀具材料计算机辅助设计和制备

doi:10.3901/JME.2018.07.223

机械工程学报 ›› 2018, Vol. 54 ›› Issue (7): 223-232.doi: 10.3901/JME.2018.07.223

• 制造工艺与装备 • 上一篇

微纳米复合陶瓷刀具材料计算机辅助设计和制备

王东¹, 赵军², 曹岩¹, 薛超¹

1. 西安工业大学机电工程学院西安 710021;
2. 山东大学机械工程学院高效洁净机械制造教育部重点实验室济南 250061

收稿日期:2017-04-09 修回日期:2017-12-09 出版日期:2018-04-05 发布日期:2018-04-05
通讯作者: 王东(通信作者),男,1985年出生,博士。主要研究方向为高速加工及数控刀具技术。E-mail:wangdong110104@163.com
作者简介:赵军,男,1967年出生,博士,教授,博士研究生导师。主要研究方向为高速加工及数控刀具技术、复杂曲面多轴数控加工技术。E-mail:zhaojun@sdu.edu.cn
基金资助:
国家自然科学基金（51605364）、中国博士后科学基金（2017M623131）和陕西省特种加工重点实验室开放基金（2017SXTZKFJG07）资助项目。

Computer-aided Design and Preparation for Micro-nano-composite Ceramic Tool Materials

WANG Dong¹, ZHAO Jun², CAO Yan¹, XUE Chao¹

1. School of Mechatronic Engineering, Xi'an Technological University, Xi'an 710021;
2. Key Laboratory of High Efficiency and Clean Mechanical Manufacture of MOE, School of Mechanical Engineering, Shandong University, Jinan 250061

Received:2017-04-09 Revised:2017-12-09 Online:2018-04-05 Published:2018-04-05

摘要/Abstract

摘要： 为了解决陶瓷刀具材料半经验法设计中存在的盲目性问题，拟在微观尺度上对陶瓷刀具材料性能进行有限元预测，阐明材料微观结构和宏观性能的定量关系，从而为高寿命刀具设计提供理论依据。本研究采用理论分析、数值模拟和试验相结合的研究手段，基于Voronoi法和随机法建立了考虑陶瓷刀具材料微观结构随机性的参数化模型；结合刀具材料微观结构模型和性能测试试验，进行性能测试过程有限元仿真，求解了刀具抗弯强度、断裂韧性和硬度；初步设计不同参数的刀具微观结构模型，计算其力学性能，以综合性能最优为目标，确定了最佳的微观结构参数，并制备出适合切削超高强度钢的刀具材料。试验结果和设计结果比较吻合，表明提出的陶瓷刀具材料设计方法是可行的。本研究形成的基于性能预测的陶瓷刀具材料微观结构优化设计及制备的基本理论和方法，对于丰富和完善刀具设计理论及提高刀具寿命具有重要的实际意义。

关键词: 计算机辅助设计, 微观结构, 微纳米复合陶瓷刀具, 制备

Abstract: The objective here is to solve the blindness of semi-empirical method during the process of ceramic cutting tool material design. The material properties are predicted using finite element method with microstructure-level material model to interpret the quantitative relationship between the microstructure and material properties. This research can establish the fundamental theory for the ceramic cutting tool design. Theory analysis, numerical simulation and experiment are carried out in the present study. The microstructure modeling of micro-nano-composite ceramic cutting tool materials is established considering the characteristics of complexity and randomness based on Voronoi and randomness method. Combined with the representative volume element (RVE) of ceramic material microstructure and property tests, the simulations of property test processes are conducted to calculate the strength, toughness and hardness of material. Then, the microstructure models with various parameters are designed, and the material properties are predicted to determine the optimal microstructure parameters. The ceramic cutting tool materials are prepared with the optimal microstructure parameters for high speed machining of ultra-high strength steels. The proposed method is feasible because experimental results are found to have a good agreement with the design results. This research can offer a reference for the ceramic cutting tool design, and is beneficial for the development of cutting tool design theory and the improvement of the tool life.

Key words: computer-aided design, micro-nano-composite ceramic tool, microstructure, preparation

中图分类号:

TG135

王东, 赵军, 曹岩, 薛超. 微纳米复合陶瓷刀具材料计算机辅助设计和制备[J]. 机械工程学报, 2018, 54(7): 223-232.

WANG Dong, ZHAO Jun, CAO Yan, XUE Chao. Computer-aided Design and Preparation for Micro-nano-composite Ceramic Tool Materials[J]. Journal of Mechanical Engineering, 2018, 54(7): 223-232.

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微纳米复合陶瓷刀具材料计算机辅助设计和制备

Computer-aided Design and Preparation for Micro-nano-composite Ceramic Tool Materials

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