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Bulletin of Bryansk state technical university

STUDY OF THE MECHANICAL AND PHYSICAL PROPERTIES OF HARD ALLOY VK20 Study of the mechanical and physical properties of hard alloy VK20

Published in Bulletin of Bryansk state technical university · Volume 2015, Issue 3 · Pages 57–61 · Rubric: Mechanical engineering and transport
DOI: https://doi.org/10.12737/22993
Received: 01.12.2016 Accepted: 01.12.2016 Published: 01.12.2016 Language of publication: RUS
Authors
IR
Irina Kotlyarova
VA
Valeriy Soldatov
KO
Konstantin Makarenko
ORCID
AL
Aleksey Tarasov
ABSTRACT
The article presents the results of research for upsetting tool inserts made of hard alloy VK-20 different manufacturers. All studies were performed according to standard procedures using cer-tified equipment. The results showed that the majority of the inserts (80%) did not meet the re-quirements of GOST 3882-74 for a hard alloy VK20
KEYWORDS
hard alloy, stamped, planting, density, hardness, technique.
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1. Kiffer, R. Hard alloys: [transl. from Deutch] / R. Kiffer, F. Benezovsky. - M.: Metallurgy, 1971. - 392 p.

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Editor-in-chief  of the journal  Bulletin of Bryansk State Technical University  KHANDOZHKO ALEKSANDER VLADIMIROVICH     Aleksander Vladimirovich Khandozhko is Doctor of Engineering (2002), Associate Professor (1993), Honorary Worker of Higher Professional Education of the Russian Federation, Professor of the Department of Metal-cutting Machines and Tools at Bryansk State Technical University (BSTU). He was born in Chelyabinsk in 1958. In 1980 he graduated from Bryansk Institute of Transport Engineering (BITE) (now - Bryansk State Technical University, BSTU) with a degree in Mechanical Engineering Technology, Metal-cutting Machines and Tools. From 1980 to 1983, he worked as a manufacturing engineer at an industrial enterprise. From 1983 until now he has been working at Bryansk State Technical University, having started his career at the university as a training master. In 1985 he entered the full-time postgraduate course in BITE. In 1989 he defended the thesis for the degree of Candidate of Science in the Dissertation Council of Moscow State Aviation Technological Institute (MSATI) on the specialty Heat Engines of Aircrafts. After defending his thesis, he worked as an assistant and then as an associate professor of the department of Metal-cutting Machines and Tools at BITE. In 2000 he entered the post-doctoral program and in 2002 he defended his doctoral thesis on the specialty of Technology and Equipment of Mechanical and Physical-technical Processing. After defending his thesis, he worked as a professor of the department until 2009. In 2009 he was appointed the head of the department of Metal-cutting Machines and Tools at Bryansk State Technical University. In 2016 when the laboratory of wave deformation and combined hardening in additive and subtractive technologies was founded at BSTU, he became the head of the department of modular technological equipment, continuing his teaching work as a professor of the department of Metal-cutting Machines and Tools. Khandozhko A.V. is a member of the editorial board of the journal Science Intensive Technologies in Mechanical Engineering (Bryansk). Since 2002 he has been a member of dissertation councils of several universities; currently he is a member of three dissertation councils D999. 155. 03, D999.112.02 and D212.021.03 aa well as being the Deputy Chairman of Dissertation Council D999.155.03.   Topics of scientific research 1. Fundamental theoretical and applied issues of designing cutting tools. 2. Theory and practice of designing and manufacturing process equipment, including for additive-subtractive processes. 3. Issues of mechanical processing of materials. 4. Problems of providing product quality in mechanical processing and additive processes.
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