Dependence of secondary operations in powder metallurgy and their impact on the electrical conductivity of MWCNTs/Cu nanocomposites

被引：4
|
作者：
Mahesh [1 ,2 ]
Singh, Kalyan Kumar [1 ]
Koti, Vishwanath [2 ]
Rawat, Prashant [3 ]
机构：
[1] Indian Inst Technol, Indian Sch Mines, Dept Mech Engn, Dhanbad 826004, Bihar, India
[2] MS Ramaiah Inst Technol, Dept Mech Engn, Bangalore 560054, Karnataka, India
[3] Dr APJ Abdul Kalam Tech Univ, Ctr Adv Studies, New Campus Lucknow Sec 11, Lucknow 226031, Uttar Pradesh, India
来源：
MATERIALS TODAY-PROCEEDINGS | 2022年 / 49卷
关键词：
Copper nanocomposites; MWCNTs; Powder metallurgy; Hot pressing; Rolling; Electrical conductivity; CARBON NANOTUBES; MECHANICAL-PROPERTIES; REINFORCED COPPER; MATRIX COMPOSITES; STRENGTH; GRAPHENE;
D O I：
10.1016/j.matpr.2021.08.329
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study reports the electrical conductivity of multi-wall carbon nanotubes (MWCNTs) embedded copper nanocomposites. Copper-based nanocomposites are prepared by the powder metallurgy route method with two different secondary operations, (i) hot pressing and (ii) rolling. The MWCNTs doping weight percentage used are 0, 0.25, 0.5, 0.75 and 1 wt% of copper (or base material). The four-point probe technique is used to measure the electrical resistance of the prepared samples. The experimental results showed that MWCNTs reinforcement increased the electrical resistance of the copper. Moreover, the rolled MWCNTs/Cu nanocomposites resulted in lower electrical resistance than the hot pressed MWCNTs/Cu nanocomposites. (c) 2021 Elsevier Ltd. All rights reserved. Selection and Peer-review under responsibility of the scientific committee of the Global Conference on Recent Advances in Sustainable Materials 2021.
引用
收藏
页码：2143 / 2148
页数：6
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