2020
DOI: 10.3390/ma13061395
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Characterizing Microstructural Evolution of TP304 Stainless Steel Using a Pulse-Echo Nonlinear Method

Abstract: Tube/Pipe (TP) 304 stainless steel has been widely used in industry, but a change in its microstructures may endanger its service safety, and it is essential to evaluate its microstructural evolution. In this work, a pulse-echo nonlinear method is proposed to characterize the microstructural evolution of the TP304 stainless steel. The detailed pulse-echo nonlinear experimental process is presented, and it is shown that the absolute nonlinear parameter can be determined when the effect of attenuation is taken i… Show more

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Cited by 9 publications
(4 citation statements)
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“…In order to more accurately evaluate the performance of the composite material, the shape, size and location of the delamination defect need to be obtained, in which fields ultrasonic testing performs well. The ultrasonic testing has been one of the mostly extensively used nondestructive testing technologies [ 10 , 11 , 12 ].…”
Section: Introductionmentioning
confidence: 99%
“…In order to more accurately evaluate the performance of the composite material, the shape, size and location of the delamination defect need to be obtained, in which fields ultrasonic testing performs well. The ultrasonic testing has been one of the mostly extensively used nondestructive testing technologies [ 10 , 11 , 12 ].…”
Section: Introductionmentioning
confidence: 99%
“…In the same way, the third term represents the third harmonic A 3 propagation in the material. The amplitudes of second and third terms can be written as follows [47,48]:…”
Section: Review Of Acoustic Nonlinearity Parametersmentioning
confidence: 99%
“…The higher temperature range that TP304 austenitic stainless steel is used in allows it to partially address the furnace flue gas temperature differential brought on by an overheated explosion tube, greatly enhancing boiler safety [6]. TP304 austenitic stainless steel is susceptible to intergranular rust and microstructure change, however, after prolonged use at high temperatures and high pressure [7]. This article is very important for the advancement of materials and the secure operation of power plants because it has examined the structure change of TP304 austenitic steel after the high-temperature operation and analyzed its influencing factors.…”
Section: Introductionmentioning
confidence: 99%