在深入分析热变形工艺参数对Ti-15-3合金显微组织及成形载荷的影响的基础上,以变形温度、变形程度和变形速率等热变形工艺参数作为设计变量,以显微组织和成形力的最佳综合为目标,建立了该合金热塑性成形工艺参数的多目标优化数学模型.以显微组织参数和成形力的人工神经网络预测模型作为优化算法的知识源,将人工神经网络与修正的遗传算法相结合,对Ti-15-3合金的热塑性成形工艺参数进行优化.结果表明,提出的修正的遗传算法是有效的,采用将其与人工神经网络相结合的方法对钛合金的热塑性成形工艺参数进行优化是可行的.
参考文献
| [1] | R.G. Song;Q.Z. Zhang .Heat treatment technique optimization for 7175 aluminum alloy by an artificial neural network and a genetic algorithm[J].Journal of Materials Processing Technology,2001(1/2):84-88. |
| [2] | Conceicao C A;Dourado N M .Metal-forming process optimization by inverse evolutionary search[J].Journal of Materials Processing Technology,2002,121:403-413. |
| [3] | Castro C F;Antonio C A C;Sousa L C .Optimization of shape and process parameters in metal forging using genetic algorithms[J].Journal of Materials Processing Technology,2004,146:356-364. |
| [4] | Karasevskaya OP.;Ivasishin OM.;Semiatin SL.;Matviychuk YV. .Deformation behavior of beta-titanium alloys[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):121-132. |
| [5] | 李萍,薛克敏,吕炎,谭建荣.Ti-15-3合金反挤成形的热力耦合数值模拟[J].中国有色金属学报,2002(03):578-581. |
| [6] | 李萍,薛克敏,吕炎,谭建荣.Influence and prediction of hot deformation parameters on microstructure of Ti-15-3 alloy[J].中国有色金属学会会刊(英文版),2002(03):454-457. |
| [7] | 姜开宇,李贺军,王敏杰.遗传算法在C/C复合材料等温CVI工艺参数优化中的应用[J].材料工程,2002(10):33-35,47. |
| [8] | 石峰,娄臻亮,张永清,陆金桂.基于遗传算法和神经网络的冷挤压工艺参数模糊优化设计[J].机械工程学报,2002(08):45-49. |
| [9] | 齐乐华,侯俊杰,史忠科,李贺军.基于遗传算法的半固态挤压工艺参数优化研究[J].西安交通大学学报,2003(01):73-76. |
| [10] | L.C. Sousa;C.F. Castro;C.A.C. Antonio .Optimal design of V and U bending processes using genetic algorithms[J].Journal of Materials Processing Technology,2006(1):35-41. |
| [11] | J. S. Chung;S. M. Hwang .Application of a genetic algorithm to process optimal design in non-isothermal metal forming[J].Journal of Materials Processing Technology,1998(0):136-143. |
| [12] | 闫洪,夏巨谌,胡国安,包忠诩.型材挤压过程工艺参数优化模型[J].机械工程学报,2002(10):78-81. |
| [13] | 郑生荣,辛勇,杨国泰,何成宏.基于混合神经网络与遗传算法方法的注塑参数优化[J].计算机应用,2004(02):91-94. |
| [14] | Ping LI,Kemin XUE,Yan LU,Jianrong TAN.Prediction and Simulation of Microstructure of Ti-15-3 Alloy[J].材料科学技术学报(英文版),2003(z1):161-163. |
| [15] | Li Ping;Xue Kemin;Lu Yan;Tan Jianrong .Neural network prediction of flow stress of Ti-15-3 alloy under hot compression[J].Journal of Materials Processing Technology,2004(2):235-238. |
| [16] | 李萍,薛克敏,吕炎,谭建荣.Ti-15-3合金热反挤成形微观组织的模拟[J].机械工程学报,2003(01):133-136. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%