Exothermic low temperature sintering of Cu nanoparticles

Jagjiwan Mittal, Kwang Lung Lin

研究成果: Article同行評審

17 引文 斯高帕斯(Scopus)

摘要

Sintering of the Cu nanoparticle at low temperatures resulted in exothermic behavior after its initiation. The calorimetry study of the heating of a 20 nm copper nanoparticles agglomerate revealed the evolution of 41.17 J/g of heat between 170°C and 270°C. High resolution transmission electron microscopy (HRTEM) images indicated that the heat generation was accompanied by sintering. The surface energy of the 20 nm copper nanoparticles was estimated to be 1.23 × 103 erg/cm2 based on the heat released during sintering. The in situ high resolution transmission electron microscope (HRTEM) investigation showed that vigorous sintering occurred between 217 and 234°C, which took place through the dislocation sintering mechanism.

原文English
頁(從 - 到)19-24
頁數6
期刊Materials Characterization
109
DOIs
出版狀態Published - 2015 十一月 1

All Science Journal Classification (ASJC) codes

  • 材料科學(全部)
  • 凝聚態物理學
  • 材料力學
  • 機械工業

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