| 高强耐热镁合金陀螺仪支架精密锻造工艺 |
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| 引用本文： | 张浩.高强耐热镁合金陀螺仪支架精密锻造工艺[J].宇航材料工艺,2012,42(1):50-53. |
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| 作者姓名： | 张浩 |
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| 作者单位： | 1. 航天材料及工艺研究所,北京,100076
2. 哈尔滨工业大学,哈尔滨,150001 |
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| 摘 要： | 采用数值模拟的方法研究了高强耐热镁合金陀螺仪支架的等温锻造过程,分析了坯料形状、锻造方案对构件成形过程中金属流动行为的影响,根据模拟的结果制定了相应的成形方案,并成功锻造出了高强耐热镁合金陀螺仪支架锻件.对该锻件进行了时效热处理工艺研究,得出优化的时效处理制度为200℃ ×63 h.在该时效制度下,材料的室温抗拉强度达到了371MPa,屈服强度达到243MPa,伸长率达4.1％
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| 关 键 词： | 镁合金 等温成形 时效处理 力学性能 |
Isothermal Forming of Gyroscope-Brackets by Numerical Simulation and Experiment |
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| Zhang Hao
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Cui Zizhen
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Du Zhihui
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Yin Zhongwei
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Shan Debin.Isothermal Forming of Gyroscope-Brackets by Numerical Simulation and Experiment[J].Aerospace Materials & Technology,2012,42(1):50-53. |
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| Authors: | Zhang Hao Cui Zizhen Du Zhihui Yin Zhongwei Shan Debin |
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| Institution: | 1 Aerospace Research Institute of Materals & Processing Technology,Beijing 100076)(2 Harbin University of Science and Technology,Harbin 150001) |
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| Abstract: | The isothermal forming process of gyroscope-brackets has been studied by numerical simulation.The effects of billet shape and forming programme on metal flowing behavior has been analized.Accroding to the simulation results the forming programme had beens choosen.After isothermal forming,the product was heat treated at 200℃×63 h.The fracture strength reaches 371 MPa,the yield strength reaches 243 MPa and the elongation reaches 4.1%. |
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| Keywords: | Magnisum alloy Isothermal forming Aging treatment Mechanical property |
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