+高级检索
Ni-Cr-W-Mo合金异型件的热旋成形规律有限元分析
基金项目:

新世纪优秀人才支持计划项目 (NCET-07-0690)


FEM Analysis on the Heat Spinning for Ni-Cr-W-Mo Superalloy Workpiece
  • 摘要
  • | |
  • 访问统计
  • | |
  • 相似文献 [20]
  • | | |
  • 文章评论
    摘要:

    基于ABAQUS软件的Explicit/Standard模块建立了Ni-Cr-W-Mo合金异型件热旋成形的热力耦合的三维有限元模型。基于正交试验优选了第1道次的工艺参数,研究该合金的异型件成形、回弹过程中应力场的分布及热旋成形规律。结果表明,芯模转速和圆角半径分别对工件的拉裂和起皱影响最显著,卸载后的回弹对等效应力分布趋势影响较小,使得大部分区域的应力得到了释放;热旋后的实际壁厚值和理论壁厚值有一定的偏差

    Abstract:

    Based on the software ABAQUS Explicit/Standard modules, three-dimensional finite element model of Ni-Cr-W-Mo superalloy workpiece with strange shape was built. On the basis of orthogonal test, the process parameters of the first pass were optimized, and the distribution of stress and the hot spinning regular pattern in the process of metal forming and springback were analyzed. The results show that the rotary velocity of mandrel has the most significant influence on breakage tendency, and the roller roundness radius on wrinkle tendency. After the unloading course the springback has a little effect on the trend of distribution of equivalent stress, and the most of the regional stress has been released. After the process of hot spinning, there is some deviation between the actual thickness and theoretical thickness value

    参考文献
    引证文献
    网友评论
    网友评论
    分享到微博
    发 布
引用本文

安 震,李金山,胡 锐,王 健,贾新潮,周 廉. Ni-Cr-W-Mo合金异型件的热旋成形规律有限元分析[J].稀有金属材料与工程,2013,42(1):70~74.[An Zhen, Li Jinshan, Hu Rui, Wang Jian, Jia Xinchao, Zhou Lian. FEM Analysis on the Heat Spinning for Ni-Cr-W-Mo Superalloy Workpiece[J]. Rare Metal Materials and Engineering,2013,42(1):70~74.]
DOI:[doi]

复制
文章指标
  • 点击次数:1624
  • 下载次数: 0
  • HTML阅读次数: 133
  • 引用次数: 0
历史
  • 收稿日期:2012-01-10