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V. S. CORA1,* , L. BRÂNDUŞAN1, I. VIDA-SIMITI1, GY. THALMAIER1
The paper describes the preliminary results of the powder injection molding (PIM) experiments of producing cutting tools out of WC/Co homogenous powder mix. The injected material was a mix of 42vol% WC-6wt% Co and 58vol% wax based binder. The injected samples were immersed in solvent bath and debinded at room temperature for 2, 4, 5, 6 hours. After debinding the samples were sintered in vacuum, 10-2 Pa (10-4 mm Hg) at a temperature of 1350 °C for 40 min. The sintered tsamples had a contraction of 24%. The relative density, measured with Archimedes method, is 99%. No significant WC particle growth was observed after sintering. The measured hardness of the material is 1700[HV10/15]..
Injection molding, Tungsten carbide, Vacuum sintering.
V. S. CORA, L. BRÂNDUŞAN, I. VIDA-SIMITI, GY. THALMAIER, Preliminary sintering study of powder injection molded WC/Co parts, Optoelectronics and Advanced Materials - Rapid Communications, 6, 9-10, September-October 2012, pp.941-944 (2012).
Submitted at: June 2, 2012
Accepted at: Sept. 20, 2012
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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