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TC4叶栅环等温成形规律研究
王兵1, 刘飞2, 常永甫1, 李彦忠1, 李金祥1
1.首都航天机械公司, 北京 100076;2.天津航天长征技术装备有限公司, 天津 300462
摘要:
针对高肋、薄壁钛合金叶栅环的结构特点,借助三维有限元模拟方法,分析了等温成形中始锻温度、下压速度和摩擦因子对叶栅环成形质量的影响规律。选取优化后的工艺参数进行物理实验研究,结果表明,始锻温度为920℃,下压速度为0.5 mm/s,摩擦系数为0.1时的工艺条件下,可以得到满足质量要求的等温锻件。
关键词:  钛合金  有限元  等温成形  工艺参数
DOI:10.12044/j.issn.1007-2330.2018.05.019
分类号:TG316
基金项目:
Regularity of Isothermal Forging of TC4 Blade
WANG Bing1, LIU Fei2, CHANG Yongfu1, LI Yanzhong1, Li Jinxiang1
1.Capital Aerospace Machinery Company, Beijing 100076;2.Tianjin aerospace long march technology equipment co. LTD, Tianjin 300462
Abstract:
Based on the structure feature of high-rubbed and thin-walled titanium alloy blade,the effects of the initial forging temperature,velocity and friction factor were studied with the method of FEM simulation,Selecting the optimized process parameters for physical experiment,the results show that under the conditions of initial forging temperature of 920℃,press speed of 0.5mm/s,friction coefficient of 0.1,the isothermal forging products can meet the quality requirements.
Key words:  Titanium alloy  FEM  Isothermal foring  Process parameter