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Microhardness nano and submicrostructure in coatings on solid carbide cutting tool

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Product Description

The results of studies on the relationship coating microhardness 0,18 HfN + 0,82 ZrNon cutting tools with carbide VK8, T15K6, MS221 and Sandvik Koromant and grain size (measured by REM-106). It was shown that growth of grain size leads to a reduction of microhardness, and for two-layer coating Al2O3 + (0,18 HfN + 0,82 ZrN) the microhardness is practically independent of time, to measure the grain nanostructured coating and decrease its value associated with the presence of the first layer Al2O3 having a lowest microhardness. Тransition from a nanostructured coating to submicrostructure loosed leads to a substantial decrease in microhardness.

Additional Information

Authors

Бруяка О.О., Костюк Г.И., Миргородская Е.В.

Year of publication

2014

6

Volume

113

Language

Russian

Types of files

pdf

Section

Ion Plasma Technologies and Equipment

Quality

excellent

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