NANOTWINNED COPPER-GRAPHENE COMPOSITES WITH HIGH HARDNESS

被引：0

作者：

Kurapova, O. Yu. ^{[1
,2
]}

Konakov, V. G. ^{[1
,2
]}

Grashchenko, A. S. ^{[3
]}

Novik, N. N. ^{[1
,2
]}

Golubev, S. N. ^{[4
]}

Ovid'ko, I. A. ^{[1
,2
,3
]}

机构：

[1] Peter Great St Petersburg Polytech Univ, St Petersburg 195251, Russia

[2] St Petersburg State Univ, St Petersburg 199034, Russia

[3] Russian Acad Sci, Inst Problems Mech Engn, St Petersburg 199178, Russia

[4] Glass & Ceram Ltd, St Petersburg 199004, Russia

来源：

REVIEWS ON ADVANCED MATERIALS SCIENCE | 2017年 / 48卷 / 01期

关键词：

ENHANCED MECHANICAL-PROPERTIES; METAL-MATRIX COMPOSITES; STRAIN-RATE SENSITIVITY; CENTERED-CUBIC METALS; TWIN BOUNDARIES; NANOCRYSTALLINE MATERIALS; MAXIMUM STRENGTH; FLOW-STRESS; NANOCOMPOSITES; DEFORMATION;

D O I：

暂无

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This paper addresses fabrication, structure, and hardness characteristics of nanotwinned (ntw) copper-graphene composites. The composites were fabricated by electrodeposition from 1M CuSO4 center dot 6H(2)O mixed water-alcohol solution containing graphene-graphite mixture stabilized by non-ionic surfactant. We fabricated two-layer solids each consisting of ntw copper layer and ntw copper-graphene layer. The synthesized two-layer specimens were examined in nanoindentation tests and showed high hardness values up to 3 GPa. The maximum hardness value of 3 GPa is higher than those of pure ntw copper and copper-graphene composites, taken from the literature.

引用

页码：71 / 77

页数：7

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