磁法检测合金钢有限元分析.doc
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- 检测 合金钢 有限元分析
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1、XX大学毕业设计(论文) 题 目: 磁法检测合金钢有限元分析 学 院: 测试与光电工程学院 专业名称: 测控技术与仪器班级学号: 学生姓名: 指导教师: 二Oxx年 六 月磁法检测合金钢有限元分析摘要:合金钢具有优良的特性,在航空、航天、铁道等部门具有广泛的应用前景。由此,对合金钢材料的无损检测的研究就具有非凡的意义。地磁场分布广泛,在实践中有着方便简单无污染的特点。随着科技的发展以及仿真软件研究的加深,地磁场在软件模拟层面上有着实质的使用。本文正是在这一背景下通过Ansys软件分析研究合金钢在地磁场环境下的3D静磁场。首先用Ansys软件建立合金钢模型,施加相同的约束条件。在实验过程中将地磁
2、场分别均匀的施加于合金钢材料上,使用通用后处理器对实验数据进行计算。在建立模型时,改变缺陷的尺寸,观察缺陷尺寸改变后磁感应强度的变化情况。通过分析可知,随着缺陷深宽比的增大,磁感应强度变化越大。利用磁法检测仪对合金钢表面槽型缺陷进行实验,对实验结果分析处理,对比仿真分析所得的磁感应强度曲线图与实验分析所得图形,可以发现Ansys仿真所得的结果实验数据更加精确,缺陷的检出率较高,实验方便、计算精确度高,具有良好的应用前景,这是Ansys仿真分析的价值所在。关键词:地磁场Ansys仿真建立模型 磁感应强度Detection of magnetic steel Finite Element Anal
3、ysis Abstract:Alloy steel has excellent properties,it has broad application prospects in aviation, aerospace, and railway department .Thus, the study of non-destructive testing on aluminum alloy material with extraordinary significance.Geomagnetic field is widely distributed, which has many characte
4、ristics,such as: convenient, simple in practice and no pollution .with the development of science and technology and to enhance simulation software research geomagnetic field in the software simulation level with the use of the substance. This article is steel in the Earths magnetic field research e
5、nvironments 3D static magnetic field in this context analyzed by Ansys software.First with Ansys software to establish steel model, applying the same constraints.Experimental procedure will be applied in a uniform magnetic field, respectively, to the steel material, the processor of experimental dat
6、a calculated using common.In establishing the model, change the size of the defect, the defect size changes observed after changes in magnetic flux density. Through analysis, along with defects aspect ratio increases, the greater the change in magnetic flux density.Use magnetic detector geometries f
7、or steel surface defects experiment, analysis and processing of results,The resulting simulation than the above magnetic induction and experimental analysis resulting graph graph.Ansys simulation can be found in the results of the experimental data obtained more accurate, higher detection rate of de
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