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Ti-5553合金车削加工性能研究
引用本文:贾亮,汤慧萍,石英,汪强兵,杨广宇,刘楠.Ti-5553合金车削加工性能研究[J].钛工业进展,2014,31(4):32-35.
作者姓名:贾亮  汤慧萍  石英  汪强兵  杨广宇  刘楠
作者单位:西北有色金属研究院金属多孔材料国家重点实验室,陕西西安710016
基金项目:科技部国际合作项目(2011DFA52590);科技部“863”项目(2013AA031103)
摘    要:Ti-5553(Ti-5Al-5V-5Mo-3Cr-0.5Fe)合金具有优异的综合力学性能,正逐步替代TC4(Ti-6Al-4V)钛合金成为高强度航空用工件的制备材料。然而,由于Ti-5553合金机械加工效率低,一定程度上制约了其在航空领域的大规模应用。为此,对Ti-5553合金与TC4钛合金的车削加工性能参数进行了探索,发现在相同的切削速度下,Ti-5553合金的主切削力和吃刀抗力均高于TC4钛合金,且最高切削速度仅为50 m/min。此外,两种合金在切削过程中均会与车刀发生扩散反应,而Ti-5553合金对刀具的磨损更为严重。相信本研究将为后期优化Ti-5553合金的车削加工参数、提高其加工效率提供有利的实验数据支持。

关 键 词:Ti-5553合金  TC4钛合金  车削加工  刀具磨损

Study on the Cutting Performance of Ti-5553 Alloy
Authors:Jia Liang  Tang Huiping  Shi Ying  Wang Qiangbing  Yang Guangyu  Liu Nan
Affiliation:(Northwest Institute for Nonferrous Metal Research, State Key Laboratory of Porous Metal Materials, Xi'an 710016, China)
Abstract:Ti-5553(Ti-5Al-5V-5Mo-3Cr-0.5Fe) alloy has excellent comprehensive mechanical properties , and it is substituting for TC4 ( Ti-6Al-4V) titanium alloy to produce the high strength workpieces in aviation .However, due to the lower machining efficiency of Ti-5553 alloy, the use in the industry of aviation is restricted .So the parameters in cutting process of Ti-5553 alloy and TC4 titanium alloy were achieved by experiment .The results show that the cutting force of Ti-5553 alloy is higher than TC4 titanium alloy under the cutting speed , and the maximum allowed speed is only 50 m/min for Ti-5553 alloy .Besides , the diffusion reactions both have occurred during the cutting processes . This research will give an experimental data support to optimize the cutting processing parameters and increase the machining efficiency .
Keywords:Ti-5553 alloy  TC4 titanium alloy  cutting process  abrasion of cutter
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