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This review explores binder jetting technology's potential to enhance the fabrication of hardmetals, suggesting innovative processes and applications.
Since their discovery more than a century ago, hardmetals or cemented carbides have attracted attention due to their unique combination of hardness, toughness, and wear resistance, crucial for harsh environment applications, either for wear parts, rock drill bits or cutting tools. Conventional press and sintering (P&S) technologies are normally deployed to fabricate hardmetals, but recently, leading companies, research institutes and universities are looking to Additive Manufacturing (AM), particularly to Binder Jetting (BJT). BJT abilities to deliver extremely complex shaped parts with no use of support structures are some of the key advantages that can lead to an effective industrial implementation of this AM technology. This review highlights the most recent developments in BJT of hardmetals, addressing the most influential aspects and projecting future trends.
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Leite et al. (2025) studied this question.
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