The Influence of Crystal Orientation on Vibration Characteristics of DD6 Nickel-Base Single Crystal superalloy Turbine Blade

被引：15
作者：
Wen, Zhixun [1 ]
Mao, Huanze [1 ]
Yue, Zhufeng [1 ]
Wang, Baizhi [1 ]
机构：
[1] Northwestern Polytech Univ, Dept Engn Mech, Xian 710129, Peoples R China
来源：
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2014年 / 23卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Crystal orientation; finite element method; turbine blade; vibration; FAILURE; LIFE;
D O I：
10.1007/s11665-013-0772-z
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Modeling of a nickel-base single crystal superalloy turbine blade which accounts for material orthotropy is carried out to investigate the influence of axial direction and randomness crystallographic orientation on the dynamic natural frequency. In this paper, the natural frequency of the blade is calculated by the finite element method based on the commercial software ABAQUS. The results show that the deviation of the axial directions has a significant effect on the lower frequency as well as on the higher frequency, while the randomness in crystallographic orientations has a great impact only on higher order frequency. It is necessary to take the crystal orientation into account as an optimized factor and the variation of the vibration characteristics can be predicted.
引用
收藏
页码：372 / 377
页数：6
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