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Force analysis and experimental study of pure aluminum and Al-5%Ti-1%B alloy continuous expansion extrusion forming process
带扩展腔的纯铝及铝钛硼合金连续挤压力的分析与实验研究

查看参考文献19篇

文摘 The deformation zone of CONFORM extrusion was divided into primary gripping zone, gripping zone, conical expansion chamber zone, cylindrical zone and sizing zone of die, and corresponding force equilibrium equations were established using the Slab method. The deformation force formulae of CONFORM machine at any wrapping angle with an expansion chamber were obtained. Experiment on pure aluminum and Al-5%Ti-1%B alloy was conducted on the CONFORM machine self-designed. The resistance to deformation of Al-5%Ti-1%B alloy at the deformation temperature of 400 °C and the strain rate of 3.07 s~(-1) was measured to be 50 MPa using Gleeble-1500 thermal simulation machine. The calculation results of deformation forces for CONFORM process with an expansion chamber for pure aluminum and Al-5%Ti-1%B alloy were given. The experimental CONFORM radial force is in agreement with the radial force obtained by theoretical formula.
其他语种文摘 将CONFORM挤压的变形区划分成初始夹紧区、夹紧区、圆锥形扩展腔区、圆柱形挤压筒区和定径区,采用主应力法建立各区力平衡方程,获得了带扩展腔的任意包角连续挤压过程的变形力公式。在自行设计的连续挤压机上对纯铝和铝钛硼合金(Al-5%Ti-1%B)进行实验。采用Gleeble-1500热模拟实验机实测得到铝钛硼合金在变形温度400℃、应变速率3.07s~(-1)条件下的变形抗力为50MPa。计算得到纯铝和铝钛硼合金带扩展腔连续挤压的变形力。实验用的连续挤压径向力与理论计算的连续挤压径向力一致。
来源 Transactions of Nonferrous Metals Society of China ,2013,23(1):201-207 【核心库】
DOI 10.1016/s1003-6326(13)62447-4
关键词 aluminum ; aluminum alloy ; continuous extrusion ; expansion chamber ; resistance to deformation
地址

1. College of Materials and Metallurgy,Northeastern University, Shenyang, 110819  

2. Northeastern University, State Key Laboratory of Rolling and Automation, Shenyang, 110819

语种 英文
文献类型 研究性论文
ISSN 1003-6326
学科 金属学与金属工艺
基金 国家自然科学基金
文献收藏号 CSCD:4760353

参考文献 共 19 共1页

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引证文献 11 篇

1 Wang Xuejiao Effects of Al-Ti-B-RE grain refiner on microstructure and mechanical properties of Al-7.0Si-0.55Mg alloy Transactions of Nonferrous Metals Society of China,2014,24(7):2244-2250
CSCD被引 14 次

2 Lin Qiquan A new hole-flanging method for thick plate by upsetting process Transactions of Nonferrous Metals Society of China,2014,24(7):2387-2392
CSCD被引 3 次

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