基于三维有限元模拟软件DEFORM-3D,建立了TC4叶片精锻过程的三维热力耦合有限元模型,并以塑泥为材料,采用物理模拟方法对叶片精锻有限元模型进行了试验验证,得到了不同摩擦条件下模具等效应力、温度场及载荷的分布规律.结果表明:随着摩擦因数的增大,模具等效应力增大;模具叶身与榫头过渡区域及榫头旁侧温度分布较高,摩擦对模具叶身处温度分布的影响最大;摩擦因数增大将增加锻造的消耗能量及最大载荷.
参考文献
| [1] | 张志文.叶片精锻[M].西安:西安交通大学出版社,1984:83-89. |
| [2] | 李晓丽,李淼泉,李锋,熊爱明.TC6合金等温锻造过程中晶粒尺寸的数值模拟[J].中国有色金属学报,2005(09):1332-1337. |
| [3] | Mohamed Kchaou;Riadh Elleuch;Yannick Desplanques .Failure mechanisms of H13 die on relation to the forging process - A case study of brass gas valves[J].Engineering failure analysis,2010(2):403-415. |
| [4] | 王乐安.难变形合金锻件生产技术[M].北京:国防工业出版社,2005:252-256. |
| [5] | O. Barrau;C. Boher;R. Gras;F. Rezai-Aria .Analysis of the friction and wear behaviour of hot work tool steel for forging[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2003(7/12):1444-1454. |
| [6] | DEAN T A;SILVA T M .Die temperatures during production drop forging[J].Journal of Engineering for Industry,Transactions of the ASME,1979,101:385-390. |
| [7] | 曾苏民.复合包套模锻新工艺[J].中国有色金属学报,1996(02):93-97. |
| [8] | LEE H C;KIM B M;KIM K H .Estimation of die service life in hot forging,considering lubricants and surface treatments[J].Proceedings of the Institution of Mechanical Engineers,2003,217:1011-1022. |
| [9] | IWAMA T;MORIMOTO Y .Die life and lubrication in warm forging[J].Journal of Materials Processing Technology,1997,71:43-48. |
| [10] | Liu Yuli;Yang He;Zhan Mei .A study of the influence of the friction conditions on the forging process of a blade with a tenon[J].Journal of Materials Processing Technology,2002(1):42-46. |
| [11] | H. Ou;R. Balendra .Preform design for forging of aerofoil sections using FE simulation[J].Journal of Materials Processing Technology,1998(0):144-148. |
| [12] | 邓华红,齐广霞,梅瑞斌.叶片精锻过程中摩擦影响的数值模拟[J].热加工工艺,2006(21):88-90. |
| [13] | Z. M. Hu;J. W. Brooks;T. A. Dean .Experimental and theoretical analysis of deformation and microstructural evolution in the hot-die forging of titanium alloy aerofoil sections[J].Journal of Materials Processing Technology,1999(1/3):251-265. |
| [14] | KOBAYASHI.S;OH S I;ALTAN T.Mental forming and the finite-element method[M].Oxford:Oxford University Press,1989 |
| [15] | 卫原平;阮雪榆 .热锻过程中工模具温度场的有限元迭代解法[J].上海交通大学学报,1994,28(06):15-19. |
| [16] | 王华昌,龙满林,胡金焕,刘德学,王凯峰,潘成刚.锻模综合应力有限元仿真分析[J].武汉理工大学学报,2003(08):43-47. |
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