整体叶盘叶片焊缝裂纹相控阵超声检测

马立印; 李洋; 周正干

doi:10.13700/j.bh.1001-5965.2016.0683

整体叶盘叶片焊缝裂纹相控阵超声检测

doi: 10.13700/j.bh.1001-5965.2016.0683

马立印¹,
李洋¹,
周正干^{1, 2, ,}

1.
北京航空航天大学机械工程及自动化学院, 北京 100083
2.
先进航空发动机协同创新中心, 北京 100083

基金项目:

国家自然科学基金 51375027

工信部民用飞机专项科研项目 MJZ-G-2013-05

详细信息

作者简介:
马立印男, 硕士研究生; 主要研究方向:超声无损检测技术

周正干男, 博士, 教授, 博士生导师; 主要研究方向:超声及红外无损检测

通讯作者:
周正干, E-mail:zzhenggan@buaa.edu.cn

中图分类号: V250.2;TB553
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- 被引次数: 0
出版历程
- 收稿日期: 2016-08-24
- 录用日期: 2016-12-16
- 网络出版日期: 2017-09-20

Detection of welding crack in blisk blade based on ultrasonic phased array

MA Liyin¹,
LI Yang¹,
ZHOU Zhenggan^{1, 2
, ,}

1.
School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100083, China
2.
Collaborative Innovation Center for Advanced Aero-Engine(CICAAE), Beijing 100083, China

Funds:

National Natural Science Foundation of China 51375027

Special Research Project of Civil Aircraft of Ministry of Industry and Telecommunications MJZ-G-2013-05

More Information

Corresponding author: ZHOU Zhenggan, E-mail: zzhenggan@buaa.edu.cn

摘要

摘要:
裂纹是线性摩擦焊整体叶盘结构制造过程中叶片焊缝区域常见的缺陷类型之一。由于叶片焊缝区域结构复杂且裂纹缺陷尺寸小，因此焊缝区域裂纹缺陷的检测难度大。为了满足新工艺的应用要求，研究了焊缝区域的相控阵超声全覆盖检测方法，建立了焊缝区域相控阵超声检测的有限元仿真模型，研究了裂纹特征参数和声束聚焦点位置对检测方案的影响，验证了检测方案的可行性与正确性。构建了机器人化的相控阵超声检测系统，模拟了声束在线性摩擦焊叶片试样中的传播过程，实现了对叶片中预制裂纹缺陷的识别。研究结果表明，设计的检测方案能够满足叶片快速检测的要求。
- 相控阵超声检测 /
- 叶片 /
- 线性摩擦焊 /
- 裂纹 /
- 有限元仿真
Abstract:
Crack is a type of common defect in welding area of blade appearing in the process of blisk manufacture. Due to the complex structure of welding area in blade and the small size of crack defect, it is difficult to detect the welding crack. In order to satisfy the application requirement of this new process, a completely covered testing method, based on ultrasonic phased array inspection technique, to welding area was proposed. Finite element simulation models for phased array testing of welding area were built. The effects of crack parameters and ultrasonic beam focal position on the detection program were researched to testify the feasibility and validity of the detection program. A roboticized phased array ultrasonic testing system was established to simulate the propagation of ultrasonic beam in linear friction welding blade specimen and to achieve the recognition of prefabricated crack defects. The research results show that the proposed detection program can fulfill the requirement of rapid detection for linear friction welding blisk blade.
- ultrasonic phased array detection /
- blade /
- linear friction welding /
- crack /
- finite element simulation

HTML全文

图 1 声压往返透过率

Figure 1. Sound pressure reciprocating transmittance

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图 2 楔块设计流程示意图

Figure 2. Schematic diagram of wedge design procedure

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图 3 楔块在叶片表面的耦合位置

Figure 3. Wedge's coupling position on blade surface

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图 4 有限元仿真计算模型

Figure 4. Calculation model of finite element simulation

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图 5 有缺陷和无缺陷模型的信号

Figure 5. Signal of models with and without defect

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图 6 裂纹宽度对可检测性影响

Figure 6. Influence of crack width on detectability

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图 7 裂纹角度对可检测性影响

Figure 7. Influence of crack angle on detectability

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图 8 裂纹深度对可检测性影响

Figure 8. Influence of crack depth on detectability

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图 9 聚焦位置对可检测性影响

Figure 9. Influence of focal position on detectability

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图 10 线性摩擦焊叶片试样

Figure 10. Linear friction welding blade specimen

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图 11 试验装置示意图

Figure 11. Schematic diagram of test device

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图 12 位置1检测结果

Figure 12. Detection results of position 1

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图 13 位置2检测结果

Figure 13. Detection results of position 2

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图 14 位置3检测结果

Figure 14. Detection results of position 3

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表 1 试验参数

Table 1. Test parameters

参数	数值
探头频率/MHz	5
阵元个数	32
孔径大小	32
聚焦深度/mm	10~20
扫查角度/(°)	40~70
增益/dB	60
激励电压/V	400
注:扫查方式为S扫。

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