Title
Characterization of high-energy ball milling of WC-Ti powders and subsequent spark plasma sintering
Authors
[ 1 ] Dziekanat Wydziału Inżynierii Materiałowej i Fizyki Technicznej, Wydział Inżynierii Materiałowej i Fizyki Technicznej, Politechnika Poznańska | [ 2 ] Wydział Inżynierii Materiałowej i Fizyki Technicznej, Politechnika Poznańska | [ 3 ] Instytut Inżynierii Materiałowej, Wydział Inżynierii Materiałowej i Fizyki Technicznej, Politechnika Poznańska | [ SzD ] doctoral school student | [ P ] employee
Scientific discipline (Law 2.0)
Year of publication
2025
Published in
Article type
scientific article
Publication language
english
Keywords
Abstract
EN (Ti,W)C-WC composites with sub-micron microstructure were manufactured by combination of high-energy ball milling (HEBM) and field-assisted sintering technique/spark plasma sintering (FAST/SPS) from WC and Ti powders. Phase evolution during the milling process was analyzed and influence of the process parameters on phase changes dynamics was described. The most promising milling parameters were used to prepare powder mixtures for further sintering. In short FAST/SPS process studied powders were sintered, and then evaluated to characterize microstructure, phase composition and distribution. In order to indicate influence of the milling time on mechanical properties, hardness and fracture toughness were determined. The WC-5Ti powders milled for 5 min and 3 h, and then sintered at 1800 ◦C, allowed obtaining ultra-fine ceramic composites with the hardness of 2141 ± 29 HV10 and 2530 ± 23 HV, respectively, and fracture toughness of 6.29 ± 0.13 MPa m1/2 and 7.95 ± 0.26 MPa m1/2, respectively.
Date of online publication
18.02.2025
Pages (from - to)
20854 - 20862
License type
other
Ministry points / journal
100
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