Application of Nondestructive Testing Technology in Rail Transit
The defect detection of rail transit is an important means to ensure its operation safety.Nondestructive testing technology can detect and evaluate defects and faults while keeping the structure unchanged,and it has be-come a research hotspot because of its economical,fast and accuracte advantages and been widely used in rail transit,new composite material,aerospace,petrochemical,medical and steel fields.This paper focuses on the principle,ad-vantages and the range of application of nondestructive testing technology,as well as its application in rails and ve-hicles,and prospects its future development trend.
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