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المؤلفKrupa, Igor
المؤلفCecen, Volkan
المؤلفBoudenne, Abderrahim
المؤلفProkeš, Jan
المؤلفNovák, Igor
تاريخ الإتاحة2016-10-09T10:26:58Z
تاريخ النشر2013-10
اسم المنشورMaterials & Design
المعرّفhttp://dx.doi.org/10.1016/j.matdes.2013.03.067
الاقتباسIgor Krupa, Volkan Cecen, Abderrahim Boudenne, Jan Prokeš, Igor Novák, "The mechanical and adhesive properties of electrically and thermally conductive polymeric composites based on high density polyethylene filled with nickel powder," Materials & Design, Volume 51, October 2013, Pages 620-628
الرقم المعياري الدولي للكتاب02613069
معرّف المصادر الموحدhttp://www.sciencedirect.com/science/article/pii/S0261306913002756
معرّف المصادر الموحدhttp://hdl.handle.net/10576/4842
الملخصElectrically and thermally conductive composites made using high density polyethylene (HDPE) matrix blended with a special grade of branch-structured nickel particles were studied. Composites with high filler content were highly electrically and thermally conductive. The electrical conductivity of composites reached a value of 8.3×103Sm−1 when filled with 30vol.% of the filler, and the thermal conductivity obtained using this filler content was found to be 1.99Wm−1K−1. The percolation concentration of the filler within the HDPE matrix, which was determined from electrical conductivity measurements, was determined to be 8vol.%.Young’s modulus of composites significantly increased from 606MPa to 1057MPa when composites were filled with 20vol.% of the filler. Further increasing the filler content caused no further increase in Young’s modulus, probably due to high aggregation of the filler. The stress at break of the composites behaved nonlinearly; the low filler content suppressed necking, resulting in a decrease in stress at break, whereas higher filler content (higher than 10vol.%) led to reinforcement of the composites and therefore increased the stress at break.The presence of nickel particles throughout the HDPE matrix increased the hydrophilicity of the composites. The contact angle of water on the neat HDPE decreased from 93° to 80° as the nickel content of the matrix was increased to 13vol.% of nickel. Further increases in the filler content did not alter the contact angle. Similarly, the strength of the adhesive joint formed by the composite and aluminum foil increased from a value of 16Nm−1 for the neat HDPE to 27Nm−1 when the HDPE matrix was filled with 13vol.% of the filler.
راعي المشروعNMT-ERANET “APGRAPHEL” and by project VEGA 2/0119/12.
اللغةen
الناشرElsevier, Ltd
الموضوعHigh density polyethylene
Nickel powder
Composites, electrical conductivity
Thermal conductivity
Mechanical properties
Adhesion
العنوانThe mechanical and adhesive properties of electrically and thermally conductive polymeric composites based on high density polyethylene filled with nickel powder
النوعArticle
الصفحات620-628
رقم المجلد51
dc.accessType Abstract Only


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