Fabrication of binder-free ultrafine WC-6CO composites by coupled multi-physical fields activation technology

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dc.contributor.authorHuang, Kunlan
dc.contributor.authorQin, Yi
dc.contributor.authorYin, Deqiang
dc.contributor.authorYang, Yi
dc.contributor.authorYang, Gang
dc.date.accessioned2015-09-25T09:04:31Z
dc.date.available2015-09-25T09:04:31Z
dc.date.issued2013-09-19
dc.description.abstractA novel sintering method, named as coupled multi-physical fields activation technology, has been introduced for the forming of various material powder systems. Compared with the conventional ones, this technique presents more advantages: lower sintering temperature, shorter forming time, and remarkable inhibition of the grains coarsening. In the study, the cylinders of Φ4.0mm×4.0mm had been formed with ultrafine WC-6Co powders. The relative properties of sintered WC-6Co cemented carbides, such as hardness and the microstructures, had been obtained. The study has shown that a relative density, 97.80%, of the formed samples, could been achieved when the case of temperature 850℃, heating rate 50℃/s, pressure 75MPa and Electro-heating loop 6 times, were used. More importantly, the circumscription for the growth of grain size of WC, attributed to the effect of electrical field, renders coupled multi-physical fields activation technology applicable for getting WC-6Co cemented carbides with fine grain size and good properties.en_UK
dc.identifier.citationHuang K., Yang Y., Qin Y., Yang G. and Yin D. (2013). Fabrication of binder-free ultrafine WC-6CO composites by coupled multi-physical fields activation technology. Proceedings of the 11th International Conference on Manufacturing Research (ICMR2013), Cranfield University, UK, 19th – 20th September 2013, pp 369-374en_UK
dc.identifier.isbn9781907413230
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/9491
dc.language.isoenen_UK
dc.publisherCranfield University Pressen_UK
dc.relation.ispartofseriesComposites and Advanced Manufacturing Methodsen_UK
dc.relation.ispartofseries1en_UK
dc.subjectMicrostructuresen_UK
dc.subjectUltrafine WC-6Co powdersen_UK
dc.subjectCoupled Multi-physical Fields Activationen_UK
dc.titleFabrication of binder-free ultrafine WC-6CO composites by coupled multi-physical fields activation technologyen_UK
dc.typeConference paperen_UK

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International Conference on Manufacturing Research (ICMR 2013)