Field assisted sintering of graphene reinforced zirconia ceramics. Chen, F., Jin, D., Tyeb, K., Wang, B., Han, Y., Kim, S., Schoenung, J. M., Shen, Q., & Zhang, L. Ceramics International, 41(4):6113–6116, May, 2015. Paper doi abstract bibtex Threemol. % yttria stabilized zirconia (3Y-TZP) with Graphene platelets (GNPs) powder mixture was produced by ball milling using dimethyl formamide (DMF) as dispersion media. The GNPs-reinforced 3Y-TZP composites were densified (~99%) by field assisted sintering technology (FAST). A homogeneous dispersion of GNPs in 3Y-TZP is observed from the sintered samples, and the GNPs are bent and embedded between the grains, which results in increasing the contact area. The trans-granular mechanism of crack propagation becomes increasingly dominant by adding GNPs. The fracture toughness reaches 15.3MPa·m1/2, as tested by single-edge notched beam method, which reflects an increase of 61% compared to GNPs-free 3Y-TZP. On the other hand, with higher GNPs content, the improvement in fracture toughness is limited. Toughening mechanisms, as determined through micro-hardness testing, including pull out, crack deflection, crack bridging, and micro-cracks, are observed and discussed.
@article{chen_field_2015,
title = {Field assisted sintering of graphene reinforced zirconia ceramics},
volume = {41},
issn = {0272-8842},
url = {http://www.sciencedirect.com/science/article/pii/S0272884214020689},
doi = {10.1016/j.ceramint.2014.12.147},
abstract = {Threemol. \% yttria stabilized zirconia (3Y-TZP) with Graphene platelets (GNPs) powder mixture was produced by ball milling using dimethyl formamide (DMF) as dispersion media. The GNPs-reinforced 3Y-TZP composites were densified ({\textasciitilde}99\%) by field assisted sintering technology (FAST). A homogeneous dispersion of GNPs in 3Y-TZP is observed from the sintered samples, and the GNPs are bent and embedded between the grains, which results in increasing the contact area. The trans-granular mechanism of crack propagation becomes increasingly dominant by adding GNPs. The fracture toughness reaches 15.3MPa·m1/2, as tested by single-edge notched beam method, which reflects an increase of 61\% compared to GNPs-free 3Y-TZP. On the other hand, with higher GNPs content, the improvement in fracture toughness is limited. Toughening mechanisms, as determined through micro-hardness testing, including pull out, crack deflection, crack bridging, and micro-cracks, are observed and discussed.},
number = {4},
urldate = {2018-01-08},
journal = {Ceramics International},
author = {Chen, Fei and Jin, Dongqin and Tyeb, Khalid and Wang, Botao and Han, Young-Hwan and Kim, Sukyoung and Schoenung, Julie M. and Shen, Qiang and Zhang, Lianmeng},
month = may,
year = {2015},
keywords = {3Y-TZP, Field assisted sintering technology, Fracture toughness, Graphene platelets, Published, Reviewed},
pages = {6113--6116},
}
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M.","Shen, Q.","Zhang, L."],"year":2015,"bibtype":"article","biburl":"https://api.zotero.org/users/4671851/collections/XXZ2J5VG/items?key=vvOULaCMZpmPfaYPyYLTHkeL&format=bibtex&limit=100","bibdata":{"bibtype":"article","type":"article","title":"Field assisted sintering of graphene reinforced zirconia ceramics","volume":"41","issn":"0272-8842","url":"http://www.sciencedirect.com/science/article/pii/S0272884214020689","doi":"10.1016/j.ceramint.2014.12.147","abstract":"Threemol. % yttria stabilized zirconia (3Y-TZP) with Graphene platelets (GNPs) powder mixture was produced by ball milling using dimethyl formamide (DMF) as dispersion media. The GNPs-reinforced 3Y-TZP composites were densified (~99%) by field assisted sintering technology (FAST). A homogeneous dispersion of GNPs in 3Y-TZP is observed from the sintered samples, and the GNPs are bent and embedded between the grains, which results in increasing the contact area. The trans-granular mechanism of crack propagation becomes increasingly dominant by adding GNPs. The fracture toughness reaches 15.3MPa·m1/2, as tested by single-edge notched beam method, which reflects an increase of 61% compared to GNPs-free 3Y-TZP. On the other hand, with higher GNPs content, the improvement in fracture toughness is limited. 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The GNPs-reinforced 3Y-TZP composites were densified ({\\textasciitilde}99\\%) by field assisted sintering technology (FAST). A homogeneous dispersion of GNPs in 3Y-TZP is observed from the sintered samples, and the GNPs are bent and embedded between the grains, which results in increasing the contact area. The trans-granular mechanism of crack propagation becomes increasingly dominant by adding GNPs. The fracture toughness reaches 15.3MPa·m1/2, as tested by single-edge notched beam method, which reflects an increase of 61\\% compared to GNPs-free 3Y-TZP. On the other hand, with higher GNPs content, the improvement in fracture toughness is limited. 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