Austenitic Biomaterial Cracks Evaluation by Advanced Nondestructive Techniques

Milan Smetana, Vladimir Chudacik, Radoslav Konar, Milos Mician

Austenitic Biomaterial Cracks Evaluation by Advanced Nondestructive Techniques

Číslo: 2/2017
Periodikum: Advances in Electrical and Electronic Engineering
DOI: 10.15598/aeee.v15i2.2186

Klíčová slova: Austenitic stainless steels; eddy current testing; fatigue and stress-corrosion material cracks; non-destructive evaluation; time of flight diffraction, Austenitické nerezové oceli; Zkoušky vířivými proudy; Únava a praskliny korozního materiálu; Nedestruktivní hodnocení; Čas letu.

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Anotace: The article deals with Non-Destructive Evaluation (NDE) of austenitic stainless steels. Eddy current, ultrasonic testing and non-contact magnetic field mapping methods are used for this purpose. ECA (Eddy Current Array) and TOFD (Time of Flight Diffraction) are methods that have become widely-used in the field of NDE and this is the reason for their utilization. Magnetic field mapping is nowadays an effective method of evaluation of surface-breaking defects mainly in ferromagnetic materials. The fluxgate sensor-based measurement is presented and discussed. The artificial fatigue and stress-corrosion material’s cracks are inspected. Experimental results are presented and discussed in this paper.