Ingenieurwissenschaften und zugeordnete Tätigkeiten
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- 2017 (2)
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- Colloidal processing (2) (entfernen)
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Niobium-titanium carbide cermets with nickel binder have been prepared by colloidal processing in water without a milling step by using Poly-diallyl-dimethyl-ammonium chloride (Poly-DADMAC) as a dispersant. Homogeneous microstructures with relative densities larger than 99% of the theoretical density have been achieved by gas pressure sintering in argon atmosphere. However, mechanical properties like hardness and strength were slightly decreased due to precipitation of free carbon.