D. A. Perminov
A POSITRON ANNIHILATION STUDY OF DEFECT ACCUMULATION IN PHOSPHORUS- AND TITANIUM-ALLOYED AUSTENITIC STAINLESS STEELS UNDER ELECTRON IRRADIATION AT ROOM TEMPERATURE
DOI: 10.17804/2410-9908.2020.6.027-034 The effect of phosphorus and titanium additions on the accumulation of vacancy defects in Cr16Ni15Mo3 austenitic stainless steels under electron irradiation at room temperature is studied by positron annihilation spectroscopy. It is shown that, at this temperature, phosphorus has no noticeable effect on the accumulation of vacancy defects. This is due to the low mobility of vacancies and the low concentration of impurities. Titanium, due to its high concentration, enhances the accumulation of vacancy defects during irradiation, but this effect is weak.
Acknowledgments: The work was performed under the state assignment from the Ministry of Education and Science of Russi, theme Function No. AAAA-A19-119012990095-0, and partially supported by the RFBR, project No. 18-02-00270. Keywords: austenitic stainless steels, phosphorus, titanium, electron irradiation, vacancy defects, positron annihilation References: 1. Zinkle Steven J. and Busby Jeremy T. Structural materials for fission & fusion energy. Materials Today, 2009, vol. 12, no. 11, pp. 12–19. DOI: 10.1016/S1369-7021(09)70294-9.
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Article reference
Perminov D. A. A Positron Annihilation Study of Defect Accumulation in Phosphorus- and Titanium-Alloyed Austenitic Stainless Steels under Electron Irradiation at Room Temperature // Diagnostics, Resource and Mechanics of materials and structures. -
2020. - Iss. 6. - P. 27-34. - DOI: 10.17804/2410-9908.2020.6.027-034. -
URL: http://eng.dream-journal.org/issues/2020-6/2020-6_307.html (accessed: 12/02/2024).
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