Investigation on Indentation Creep Performance of Carbon Nanotubes Reinforced Tin-58Bismuth Composites

Low concentration of carbon nanotubes were added into eutectic Sn-58Bi solder alloy with the intention to improve the creep performance of the alloy. The solder alloy was produced using powder metallurgy route. Prior to the synthesis of the solder alloy and the composites, the effect of powders load...

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Main Author: Tan, Chin Keat
Format: Thesis
Language:English
Published: 2015
Subjects:
Online Access:http://eprints.intimal.edu.my/108/
http://eprints.intimal.edu.my/108/1/BMEGI%20-%2049.pdf
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author Tan, Chin Keat
author_facet Tan, Chin Keat
author_sort Tan, Chin Keat
building INTI Institutional Repository
collection Online Access
description Low concentration of carbon nanotubes were added into eutectic Sn-58Bi solder alloy with the intention to improve the creep performance of the alloy. The solder alloy was produced using powder metallurgy route. Prior to the synthesis of the solder alloy and the composites, the effect of powders loading modes and rotational speeds of the V-shape mixer on the mixing uniformity were studied. The microstructure of the solder alloy and the composites were also examined under the optical microscope to observe the effect of sintering. Further microstructure characterization was performed using the scanning electron microscope as well as the energy dispersive X- ray analysis. Differential scanning calorimetry analysis was also performed on the powders mixtures to study the reactions that occurred during the sintering process. Sargent-Ashby creep model was then used to characterize the creep stress exponent of the solder alloy and the carbon nanotubes reinforced composites. Results from the experiment showed that the addition of small amount of carbon nanotubes of up to 0.2wt% was sufficient to lead to an improvement in the creep performance of the eutectic Sn-581ši solder material, However, the improvement was not evident in the 0.5wt% and 1.0wt% composite samples due to the agglomeration of carbon nanotubes.
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spelling intimal-1082016-04-06T09:49:03Z http://eprints.intimal.edu.my/108/ Investigation on Indentation Creep Performance of Carbon Nanotubes Reinforced Tin-58Bismuth Composites Tan, Chin Keat TJ Mechanical engineering and machinery Low concentration of carbon nanotubes were added into eutectic Sn-58Bi solder alloy with the intention to improve the creep performance of the alloy. The solder alloy was produced using powder metallurgy route. Prior to the synthesis of the solder alloy and the composites, the effect of powders loading modes and rotational speeds of the V-shape mixer on the mixing uniformity were studied. The microstructure of the solder alloy and the composites were also examined under the optical microscope to observe the effect of sintering. Further microstructure characterization was performed using the scanning electron microscope as well as the energy dispersive X- ray analysis. Differential scanning calorimetry analysis was also performed on the powders mixtures to study the reactions that occurred during the sintering process. Sargent-Ashby creep model was then used to characterize the creep stress exponent of the solder alloy and the carbon nanotubes reinforced composites. Results from the experiment showed that the addition of small amount of carbon nanotubes of up to 0.2wt% was sufficient to lead to an improvement in the creep performance of the eutectic Sn-581ši solder material, However, the improvement was not evident in the 0.5wt% and 1.0wt% composite samples due to the agglomeration of carbon nanotubes. 2015 Thesis NonPeerReviewed text en http://eprints.intimal.edu.my/108/1/BMEGI%20-%2049.pdf Tan, Chin Keat (2015) Investigation on Indentation Creep Performance of Carbon Nanotubes Reinforced Tin-58Bismuth Composites. Other thesis, INTI International University.
spellingShingle TJ Mechanical engineering and machinery
Tan, Chin Keat
Investigation on Indentation Creep Performance of Carbon Nanotubes Reinforced Tin-58Bismuth Composites
title Investigation on Indentation Creep Performance of Carbon Nanotubes Reinforced Tin-58Bismuth Composites
title_full Investigation on Indentation Creep Performance of Carbon Nanotubes Reinforced Tin-58Bismuth Composites
title_fullStr Investigation on Indentation Creep Performance of Carbon Nanotubes Reinforced Tin-58Bismuth Composites
title_full_unstemmed Investigation on Indentation Creep Performance of Carbon Nanotubes Reinforced Tin-58Bismuth Composites
title_short Investigation on Indentation Creep Performance of Carbon Nanotubes Reinforced Tin-58Bismuth Composites
title_sort investigation on indentation creep performance of carbon nanotubes reinforced tin-58bismuth composites
topic TJ Mechanical engineering and machinery
url http://eprints.intimal.edu.my/108/
http://eprints.intimal.edu.my/108/1/BMEGI%20-%2049.pdf