Application Advance and Prospect of Nondestructive Testing Technology for Industrial Casting Defects

被引：0
|
作者：
Zhang H. [1 ]
Zhang Z.-Q. [2 ]
Chen Y.-R. [1 ]
Wu T.-Y. [2 ]
Zhong H. [1 ]
Wang Y.-N. [1 ]
机构：
[1] School of Robotics, Hunan University, Changsha
[2] School of Electrical and Information Engineering, Changsha University of Science and Technology, Changsha
来源：
Zidonghua Xuebao/Acta Automatica Sinica | 2022年 / 48卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Casting defects; Neural network; Nondestructive testing; X-ray testing;
D O I：
10.16383/j.aas.c210161
中图分类号：
学科分类号：
摘要：
High-end equipment manufacturing industry is the pillar industry of the national economy and the engine to promote industrial transformation and upgrading. It plays a pivotal role. Foundry industry has been an important and irreplaceable industry in modern production and life of human beings, and casting products are both industrial manufacturing products and components of large machinery. With the continuous improvement of economic level and industrial automation, the demand for castings is growing exponentially and explosively, and the value of castings radiates to all walks of life. At the same time, casting products often show various defects in the process of casting and service, and the traditional inefficient manual detection method is difficult to guarantee the performance requirements of the industry for middle and high-end castings. Therefore, it is urgent to improve the casting testing technology. Firstly, we analyze the formation mechanism of various defects in casting process and service process in this paper. Then we describe the main detection techniques based on acoustics, optics and electromagnetism and conventional signal processing methods, magnetic particle detection technology and penetration detection technology. We also describe the emerging signal proceesing methods based on neural network in recent years. On this basis, we analyze the research status of casting defect nondestructive testing technology and neural network-based signal processing method in recent years. At last, the development trend of casting defect nondestructive testing technology and its application are prospected. Copyright ©2022 Acta Automatica Sinica. All rights reserved.
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页码：935 / 956
页数：21
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