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Comparative Studies of the Properties of Tools Made by Electro-Discharge Sintering and Hot Pressing

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Abstract

Comparative studies of the properties of tools obtained by electro-discharge sintering and hot pressing have shown that the dependence of the cutting and grinding ability of a diamond tool on time of service is of a periodic nature, with periods of 30-40 min (grinding elements) and 100-120 min (cutting elements — blades). Tools made by electro-discharge are characterized by a stable increase in grinding and cutting ability at the extreme points. An empirical criterion — the self-honing index — is proposed to characterize the operating regime of tools. The tool made by electro-discharge sintering exhibited superior grinding and cutting properties.

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Authors and Affiliations

  1. Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, ul. Krzhizhanovskogo 3, Kiev 142, 03142, Ukraine

    Alexander I. Raichenko

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  1. Alexander I. Raichenko
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Raichenko, A.I. Comparative Studies of the Properties of Tools Made by Electro-Discharge Sintering and Hot Pressing. Powder Metallurgy and Metal Ceramics 39, 618–622 (2000). https://doi.org/10.1023/A:1011340517132

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  • DOI: https://doi.org/10.1023/A:1011340517132

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