STUDY OF THE MECHANICAL AND PHYSICAL PROPERTIES OF HARD ALLOY VK20
Abstract and keywords
Abstract (English):
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.
Text
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References

1. Kiffer, R. Hard alloys: [transl. from Deutch] / R. Kiffer, F. Benezovsky. - M.: Metallurgy, 1971. - 392 p.

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