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Abstract <p>The paper presents the results of a study of the structural configuration, properties, and character of wear of prototype samples of drill plates with ultradisperse additives of MgAl<sub>2</sub>O<sub>4</sub> powders. It is found that the introduction of ultradisperse additives of magnesium spinel into the composition of the furnace charge of a VK8 alloy promotes the formation of a fine-grained structure and also affects the change in the character of fracture from brittle to quasi-brittle.</p>

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An Analysis of the Effect of Ultradisperse Powder Additives on the Structure and Wear of Hard-Alloy Drill Plates under the Conditions of Impact–Abrasive Wear

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • M. V. Fedorov,
  • M. I. Vasil’eva,
  • G. G. Vinokurov,
  • A. M. Klimova

摘要

Abstract

The paper presents the results of a study of the structural configuration, properties, and character of wear of prototype samples of drill plates with ultradisperse additives of MgAl2O4 powders. It is found that the introduction of ultradisperse additives of magnesium spinel into the composition of the furnace charge of a VK8 alloy promotes the formation of a fine-grained structure and also affects the change in the character of fracture from brittle to quasi-brittle.