EFFECTS OF SINTERING PARAMETERS ON THE MICROSTRUCTURAL CHARACTERISTICS OF CU/CNTS NANOCOMPOSITES

Higher-powered electronics are being integrated into daily used devices rapidly. With these electronics, the need to remove the excessive heat generated from those devices effic iently and more economically became essential. In response to these critical needs, a unique nanocom...

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Main Author: Ali Samer Muhsan, Norani M Mohamed, Faiz Ahmad, Thar M Badri Alb,
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.12126 /
Published: 2016
Subjects:
T Technology (General)
Online Access: http://www.arpnjournals.org/jeas/research_papers/rp_2016/jeas_1216_5537.pdf
http://eprints.utp.edu.my/12126/
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spelling utp-eprints.121262017-04-06T03:04:37Z EFFECTS OF SINTERING PARAMETERS ON THE MICROSTRUCTURAL CHARACTERISTICS OF CU/CNTS NANOCOMPOSITES Ali Samer Muhsan, Norani M Mohamed, Faiz Ahmad, Thar M Badri Alb, T Technology (General) Higher-powered electronics are being integrated into daily used devices rapidly. With these electronics, the need to remove the excessive heat generated from those devices effic iently and more economically became essential. In response to these critical needs, a unique nanocomposite materi al made of copper reinforced by carbon nanotubes was developed via powder injection molding technique (PIM). This wo rk aims to study the effect of different PIM sintering parameters on the microstructural characteristics of carbon nan otubes reinforced copper nanocomposites (Cu/CNTs). The effect of these parameters has a significant effect on the mech anical and thermal properties of the produced composites. For instance, the influences of varying the sintering dwell tim e on the densification process showed that short sintering dwell times (90 and 120 min at 1050 °C) were insufficient for a chieving complete sintered samples. Meanwhile, attempts were applied to increase the diffusion rate between the Cu part icles and CNTs by increasing the sintering dwell time up to 180 min at 1050 °C. The results showed a clear enhancement on t he densification process but led to a decomposition of the CNTs into amorphous carbon. The optimal sintering temperature f or achieving fully dense nanocomposite was optimized to be 1050 °C. Fully dense nanocomposite can provide large phon on mean free path inside the microstructure resulting high thermally conductive material 2016 Article PeerReviewed http://www.arpnjournals.org/jeas/research_papers/rp_2016/jeas_1216_5537.pdf Ali Samer Muhsan, Norani M Mohamed, Faiz Ahmad, Thar M Badri Alb, (2016) EFFECTS OF SINTERING PARAMETERS ON THE MICROSTRUCTURAL CHARACTERISTICS OF CU/CNTS NANOCOMPOSITES. EFFECTS OF SINTERING PARAMETERS ON THE MICROSTRUCTURAL CHARACTERISTICS OF CU/CNTS NANOCOMPOSITES . http://eprints.utp.edu.my/12126/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
topic T Technology (General)
spellingShingle T Technology (General)
Ali Samer Muhsan, Norani M Mohamed, Faiz Ahmad, Thar M Badri Alb,
EFFECTS OF SINTERING PARAMETERS ON THE MICROSTRUCTURAL CHARACTERISTICS OF CU/CNTS NANOCOMPOSITES
description Higher-powered electronics are being integrated into daily used devices rapidly. With these electronics, the need to remove the excessive heat generated from those devices effic iently and more economically became essential. In response to these critical needs, a unique nanocomposite materi al made of copper reinforced by carbon nanotubes was developed via powder injection molding technique (PIM). This wo rk aims to study the effect of different PIM sintering parameters on the microstructural characteristics of carbon nan otubes reinforced copper nanocomposites (Cu/CNTs). The effect of these parameters has a significant effect on the mech anical and thermal properties of the produced composites. For instance, the influences of varying the sintering dwell tim e on the densification process showed that short sintering dwell times (90 and 120 min at 1050 °C) were insufficient for a chieving complete sintered samples. Meanwhile, attempts were applied to increase the diffusion rate between the Cu part icles and CNTs by increasing the sintering dwell time up to 180 min at 1050 °C. The results showed a clear enhancement on t he densification process but led to a decomposition of the CNTs into amorphous carbon. The optimal sintering temperature f or achieving fully dense nanocomposite was optimized to be 1050 °C. Fully dense nanocomposite can provide large phon on mean free path inside the microstructure resulting high thermally conductive material
format Article
author Ali Samer Muhsan, Norani M Mohamed, Faiz Ahmad, Thar M Badri Alb,
author_sort Ali Samer Muhsan, Norani M Mohamed, Faiz Ahmad, Thar M Badri Alb,
title EFFECTS OF SINTERING PARAMETERS ON THE MICROSTRUCTURAL CHARACTERISTICS OF CU/CNTS NANOCOMPOSITES
title_short EFFECTS OF SINTERING PARAMETERS ON THE MICROSTRUCTURAL CHARACTERISTICS OF CU/CNTS NANOCOMPOSITES
title_full EFFECTS OF SINTERING PARAMETERS ON THE MICROSTRUCTURAL CHARACTERISTICS OF CU/CNTS NANOCOMPOSITES
title_fullStr EFFECTS OF SINTERING PARAMETERS ON THE MICROSTRUCTURAL CHARACTERISTICS OF CU/CNTS NANOCOMPOSITES
title_full_unstemmed EFFECTS OF SINTERING PARAMETERS ON THE MICROSTRUCTURAL CHARACTERISTICS OF CU/CNTS NANOCOMPOSITES
title_sort effects of sintering parameters on the microstructural characteristics of cu/cnts nanocomposites
publishDate 2016
url http://www.arpnjournals.org/jeas/research_papers/rp_2016/jeas_1216_5537.pdf
http://eprints.utp.edu.my/12126/
_version_ 1741196146050596864
score 11.62408

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