Effect of H2 Reduction Temperature on the Properties of Reduced Graphene Oxide and Copper Matrix Composites

被引：14

作者：

Wang, Lidong ^{[1
]}

Cui, Ye ^{[1
]}

Li, Ruiyu ^{[2
]}

Cao, Guojian ^{[3
]}

Li, Bin ^{[1
]}

Fei, Weidong ^{[1
,4
]}

机构：

[1] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China

[2] Shanghai Inst Space Power Sources, Shanghai 200245, Peoples R China

[3] Harbin Univ Sci & Technol, Sch Mat Sci & Engn, Harbin 150040, Peoples R China

[4] Qinghai Univ, Sch Mech Engn, Xining 810016, Peoples R China

来源：

ACTA METALLURGICA SINICA-ENGLISH LETTERS | 2014年 / 27卷 / 05期

关键词：

Nanostructure; Copper; Composites; Hydrogen; Mechanical properties; ENHANCED MECHANICAL-PROPERTIES; CVD GROWTH; CARBON;

D O I：

10.1007/s40195-014-0146-z

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Reduced graphene oxide (RGO) and copper composites (RGO/Cu) were successfully fabricated based on a molecular-level mixing method (MLM). The composite powders were reduced in H-2 at 350, 450, and 550 C and then consolidated by spark plasma sintering (SPS) in order to evaluate the effect of H-2 reduction temperature on the properties of the composites. The results indicate that the strengths of the composite decrease with the increase of H-2 reduction temperature, while the electrical conductivity reaches its maximum at 450 degrees C and minimum at 550 degrees C. Hot rolling could benefit the electrical conductivity. The yield strength of the RGO/Cu composite reduced to 337 MPa at 350 degrees C. The electrical conductivity of the RGO/Cu composite reduced at 450 degrees C after hot rolling reaches 60.26% IACS. The properties of the RGO/Cu composites can be designed by adjusting the reduction degree of RGO and by hot rolling.

引用

页码：924 / 929

页数：6

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