Consolidation of Carbon Nanofiber/Copper Composites by Hot-Pressing and Spark Plasma Sintering: A Comparative Study

被引：9
|
作者：
Barcena, Jorge [1 ]
Martinez, Vladimir [2 ]
Martinez, Ramon [1 ]
Maudes, Jon [1 ]
Sarries, Jose-Ignacio [1 ]
Caro, Inaki [1 ]
Gonzalez, Javier-Jesus [3 ]
Coleto, Javier [1 ]
机构：
[1] Inasmet Fdn, Funct Mater & Particle Tech Dep, E-20009 Donostia San Sebastian, Spain
[2] Univ Pontificia Bolivariana, GINUMA, New Mat Res Grp, Medellin, Colombia
[3] Univ Basque Country, Euskal Herriko Unibertsitatea, Escuela Super Ingn Bilbao, E-48013 Bilbao, Spain
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2009年 / 9卷 / 03期
关键词：
Metal-Matrix Composites; Vapour Grown Carbon Nanofibers; Nanoscale Dispersion; Electroless Plating; Hot-Pressing; Spark Plasma Sintering; SINTERING/SYNTHESIS PROCESS; FUNDAMENTAL INVESTIGATIONS; MECHANICAL-PROPERTIES; NANOTUBE; COPPER; FABRICATION; FIBERS; GROWTH; POWDER;
D O I：
10.1166/jnn.2009.421
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Vapour grown carbon nanofibers have been incorporated into a copper matrix at 20 and 40 volume fractions. The manufacturing route involves the dispersion of the carbon nanofibers and their subsequent coating by electroless plating with copper. The consolidation of the composite powders was performed by two different techniques: hot-pressing and spark plasma sintering. A comparative study of the two processes is reported, in terms of microstructure, dispersion and porosity. The consolidation by hot-pressing (at 900 degrees C, 30 MPa) led to poreless composites (relative density > 96%) and to a homogeneous microstructure. On the other hand, spark plasma sintering (at 400 degrees C, 75 MPa) led to lower clensification (relative density < 96%) and heterogeneous microstructure.
引用
收藏
页码：1797 / 1802
页数：6
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