| 新型损伤容限钛合金高速铣削表面完整性分析(英文) |
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| 引用本文： | 史琦,何宁,李亮,赵威,刘晓丽.新型损伤容限钛合金高速铣削表面完整性分析(英文)[J].南京航空航天大学学报(英文版),2012(3):222-226. |
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| 作者姓名： | 史琦 何宁 李亮 赵威 刘晓丽 |
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| 作者单位： | 南京航空航天大学机电学院 |
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| 基金项目： | Supported by the National Natural Science Foundation of China(50975141);the National Scienceand Technology Major Project(2010ZX04012-042);the Aeronautical Science Foundation(2010352005)~~ |
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| 摘 要： | 研究新型损伤容限钛合金TC21在不同的刀具磨损状态下,采用高速铣削与常规铣削的加工表面完整性,重点研究表面粗糙度、加工硬化层、金相组织等因素对表面完整性的影响。结果表明,高速铣削能够获得良好的表面质量并提高加工的效率,同时通过观察加工硬化层与金相组织可以发现,即使是刀具在严重磨损的状态下,也不会出现比较严重的加工硬化现象。
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| 关 键 词： | 表面完整性 表面粗糙度 显微硬度 高速铣削 |
ANALYSIS ON SURFACE INTEGRITY DURING HIGH SPEED MILLING FOR NEW DAMAGE-TOLERANT TITANIUM ALLOY |
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| Shi Qi, He Ning, Li Liang, Zhao Wei, Liu Xiaoli.ANALYSIS ON SURFACE INTEGRITY DURING HIGH SPEED MILLING FOR NEW DAMAGE-TOLERANT TITANIUM ALLOY[J].Transactions of Nanjing University of Aeronautics & Astronautics,2012(3):222-226. |
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| Authors: | Shi Qi He Ning Li Liang Zhao Wei Liu Xiaoli |
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| Institution: | (College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China) |
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| Abstract: | Surface integrity of a new damage-tolerant titanium alloy (TC21), including surface roughness, microhardness and metallurgical structure is investigated when normal and high speed milling are used at different tool wear status. Results show that good surface integrity of TC21 can be obtained in high speed milling. In addition, even in acutely worn stages, there is no so-called serious hardening layer (or white layer) according to the studies on microhardness and metallurgical structure. |
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| Keywords: | surface integrity surface roughness microhardness high speed milling |
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