TPWJ, 2020, #12, 48-52 pages
Modernization of optical microscope and its use to obtain digital images of microstructure of deposited metal
A.A. Babinets, I.O. Riabtsev and I.P. Lentyugov
E.O. Paton Electric Welding Institute of the NAS of Ukraine
11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail: firstname.lastname@example.org
The article analyzes the methods of modernization of optical microscopes to obtain digital images and simplification
of their subsequent analysis during basic metallographic examinations of deposited metal specimens. Two main methods
of modernization were considered: with the help of a camera, equipped with special adapters, which is attached
to the tube of the microscope eyepiece and with the help of a video eyepiece, which is mounted instead of a standard
microscope eyepiece. The main advantages and disadvantages of each method were noted. With the help of the metallographic
microscope MIM-7, camera Canon 650D, video eyepiece SIGETA MCMOS 3100, as well as specimens
of microsections with a deposited layer of semi-heat-resistant steel of C–Cr–Mo–W–V alloying system, comparative
metallographic examinations were performed. It is shown that the use of the special video eyepiece SIGETA MCMOS
3100 allows obtaining digital images of metal microstructures with a higher quality. As an illustration of the main
advantages of the work, provided by the use of the equipment modernized in such a way, the results of metallographic
examination of the metal, deposited by electric arc method using flux-cored wire PP-Np-120V3KhMF, were provided.
It was experimentally established that the software Toupview, supplied with the eyepiece SIGETA MCMOS 3100, used
during these examinations, allows easy processing of the obtained digital images, which greatly expands the capabilities
of basic metallographic analysis. 10 Ref., 7 Figures.
metallography, optical microscope, video eyepiece, arc surfacing, flux-cored wire, deposited metal,
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