TY - GEN
T1 - Thermo physical properties of copper/diamond composites fabricated by Spark Plasma Sintering
AU - Niazi, Asad
AU - Li, Shu Kui
AU - Wang, Ying Chun
AU - Hu, Zhi Yu
AU - Zahid, Usman
PY - 2013
Y1 - 2013
N2 - In modern electronic devices overheating has become a critical issue due to high power density and improved performance. In order to overcome this critical issue, the demands for materials having high thermal conductivity with low and tailorable coefficient of thermal expansions are required. This demand can be fulfilled by synthesizing copper/diamond composites, which show excellent thermo-physical properties, compatible with semiconductors and can be used in heat sink and thermal management applications. Copper/Diamond composites were fabricated by Spark Plasma Sintering Method (SPS) by electrolessly copper coated diamond particles pre coated with 1wt% Chromium. The prepared composites were investigated for various properties like thermal conductivity, thermal expansion and characterized by Scanning Electron Microscopy (S.E.M) and X-ray diffraction (X.R.D) analyses. The effect of process parameters were also taken into account. Thermal conductivity of copper/diamond composites fabricated by SPS at 1100°C under pressure of 40MPa, obtained in this case was 400 W/m•K, which is quite higher than those heat sink materials being already in use.
AB - In modern electronic devices overheating has become a critical issue due to high power density and improved performance. In order to overcome this critical issue, the demands for materials having high thermal conductivity with low and tailorable coefficient of thermal expansions are required. This demand can be fulfilled by synthesizing copper/diamond composites, which show excellent thermo-physical properties, compatible with semiconductors and can be used in heat sink and thermal management applications. Copper/Diamond composites were fabricated by Spark Plasma Sintering Method (SPS) by electrolessly copper coated diamond particles pre coated with 1wt% Chromium. The prepared composites were investigated for various properties like thermal conductivity, thermal expansion and characterized by Scanning Electron Microscopy (S.E.M) and X-ray diffraction (X.R.D) analyses. The effect of process parameters were also taken into account. Thermal conductivity of copper/diamond composites fabricated by SPS at 1100°C under pressure of 40MPa, obtained in this case was 400 W/m•K, which is quite higher than those heat sink materials being already in use.
KW - Copper/diamond composites
KW - Heat sink materials
KW - Spark plasma sintering (SPS)
KW - Thermal conductivity
UR - http://www.scopus.com/inward/record.url?scp=84880460969&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/AMR.712-715.208
DO - 10.4028/www.scientific.net/AMR.712-715.208
M3 - Conference contribution
AN - SCOPUS:84880460969
SN - 9783037857243
T3 - Advanced Materials Research
SP - 208
EP - 212
BT - Advances in Manufacturing Science and Engineering
PB - Trans Tech Publications Ltd.
T2 - 4th International Conference on Manufacturing Science and Engineering, ICMSE 2013
Y2 - 30 March 2013 through 31 March 2013
ER -