Finite Element Simulation of Thermography Non-destructive Testing for Gear Inspection

被引：0
|
作者：
Wang, Xin [1 ]
Ng, Kar Weng [1 ]
Lim, Ying Pio [1 ]
Ooi, Jong Boon [1 ]
Ho, Jee-Hou [1 ]
Tan, Ching Seong [1 ]
Guo, Anthony [2 ]
机构：
[1] Univ Tunku Abdul Rahman, Perak, Malaysia
[2] Monash Univ, Clayton, Vic, Australia
来源：
NON-DESTRUCTIVE TESTING CONFERENCE 2010 (NDT 2010) | 2010年
关键词：
INFRARED THERMOGRAPHY;
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Thermography non-destructive inspection is widely used as a non-destructive testing method in a variety of applications. This paper describes the application of finite element method for simulation of thermography inspection in gear inspection. This enables the prediction of its behavior in advance to the experiment. The 3-D gear was modeled and simulated using finite element method. The defects with different dimension and depth gear were simulated. Surface temperature distribution of gear for testing was computed. Distortion of heat distribution signifies the crack appearance since there is a temperature drop in the crack region. The abnormal heat path emphasizes the cracked area. In simulation, three types of materials are chosen. Their material characteristic is high, moderate and low in thermal conductivity respectively. Their theimal conductivity directly influences the heat flow rate on the specimen and time for the heat propagation. The comparisons are made between these kinds of materials to study their behavior on thermography inspection.
引用
收藏
页码：39 / 55
页数：17
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