Design and assembly of an apparatus system based on the villari effect for detecting stress concentration zone on ferromagnetic materials
Doan Thanh Dat, Le Thi Hong Giang, Nguyen Dinh Dung, Hoang Anh Tuan, Nguyen Thi Le Hien. Vietnam Petroleum Institute. Email: hienntl@vpi.pvn.vn. https://doi.org/10.47800/PVJ.2020.10-06.

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