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Article Details

  • Article Code : FIRAT-AKADEMI-9221-5795
  • Article Type : Araştırma Makalesi
  • Publication Number : 2A0211
  • Page Number : 107-114
  • Doi : 10.12739/NWSA.2025.20.4.2A0211
  • Abstract Reading : 74
  • Download : 18
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Issue Details

  • Year : 2025
  • Volume : 20
  • Issue : 4
  • Number of Articles Published : 3
  • Published Date : 1.10.2025

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Dergi Kapağı
Technological Applied Sciences

Serial Number : 2A
ISSN No. : 1308-7223
Release Interval (in a Year) : 4 Issues

Mehmet Akkaş1 , Zakaria Ahmad FARAG ALDALİMİ2 , Aboubaker Alferjani H. ALRAJHE3 , Abdullatif Emar S ABO SBIA4

Keywords

POWDER METALLURGY PROCESSING OF W-BASED CUTTING TOOLS: IMPACT OF ALLOY CHEMISTRY ON MICROSTRUCTURE AND MECHANICAL PERFORMANCE

Mehmet Akkaş1 , Zakaria Ahmad FARAG ALDALİMİ2 , Aboubaker Alferjani H. ALRAJHE3 , Abdullatif Emar S ABO SBIA4

W-based cutting tool materials are increasingly considered for severe-service machining conditions where high hot hardness, wear resistance, and dimensional stability are essential. In practice, however, the performance of W-based tool systems is not determined solely by the intrinsic properties of tungsten; it is strongly governed by the alloy chemistry and by the powder metallurgy (PM) processing route that controls densification, phase formation, and microstructural architecture. Therefore, a detailed understanding of how alloying modifications influence microstructure development. In this study, the PM producibility and structure property evolution of W-based cutting tool materials were systematically examined with emphasis on the effects of alloy chemistry. High purity elemental powders were proportioned in predetermined ratios to create multiple alloyed compositions, followed by controlled. In particular, alloying additions influenced the uniformity of the binder and secondary phase distribution (when present), the tendency for localized porosity, and the formation of microstructural discontinuities that can act as crack initiation sites under mechanical loading. These microstructural outcomes were directly reflected in mechanical performance indicators, including hardness and strength-related behavior, demonstrating that alloy chemistry plays a decisive role in balancing densification efficiency with mechanical reliability.

Keywords
W-based Cutting Tools, Powder Metallurgy, Alloy Chemistry, Microstructure, Mechanical Performance,

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Authors

Mehmet Akkaş (1) (Corresponding Author)
Kastamonu University
mehmetakkas45@gmail.com | 0000-0002-0359-4743

Zakaria Ahmad FARAG ALDALİMİ (2)

Kastamonu Üniversitesi
zakariaaldalimi@outlook.com | 0009-0003-2062-1218

Aboubaker Alferjani H. ALRAJHE (3)

aboubakeralferjani@outlook.com | 0009-0003-6708-2178

Abdullatif Emar S ABO SBIA (4)

abdullatifemarsabosbia@outlook.com | 0009-0002-5922-7878

Supporting Institution

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