Graphene oxide-reinforced aluminum alloy matrix composite materials fabricated by powder metallurgy

被引：97

作者：

Kwon, Hansang ^{[1
]}

Mondal, Jayanta ^{[2
]}

AlOgab, Khaled A. ^{[3
]}

Sammelselg, Vaino ^{[2
]}

Takamichi, Miyazaki ^{[4
]}

Kawaski, Akira ^{[4
]}

Leparoux, Marc ^{[5
]}

机构：

[1] Pukyong Natl Univ, Dept Mat Syst Engn, Sinseonro 365, Busan 608739, South Korea

[2] Univ Tartu, Inst Phys, Ravila 12c, EE-50411 Tartu, Estonia

[3] KACST, Natl Ctr Adv Mat, POB 6086, Riyadh 11442, Saudi Arabia

[4] Tohoku Univ, Dept Mat Proc Engn, Grad Sch Engn, Sendai, Miyagi 9808579, Japan

[5] EMPA Swiss Fed Labs Mat Sci & Technol, Lab Adv Mat Proc, Feuerwerkerstr 39, CH-3602 Thun, Switzerland

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 698卷

关键词：

Aluminum-magnesium5 (AlMg5); Graphene oxide (GO); Hot-pressing; Tensile strength; Flexural strength; Powder metallurgy; ENHANCED MECHANICAL-PROPERTIES; TENSILE PROPERTIES; HOT EXTRUSION; CARBON;

D O I：

10.1016/j.jallcom.2016.12.179

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Graphene oxide (GO) powder was dispersed in an AlMg5 matrix using high energy ball milling. The obtained blend was then completely densified by hot pressing. No further hardening processing step was performed. Nevertheless, only 1 vol% of GO in the Aluminum alloy matrix leads to a significant improvement of the mechanical resistance. The ultimate tensile strength (540 MPa) and the macro hardness (166 HV) are increased by a factor of 2 compared to the same AlMg5 alloy without nano-particulate material and compacted under the same conditions. The bending strength is even increased by a factor of 4 reaching a value over 800 MPa. The GO powder can be applied as a mechanical reinforcement to other scenarios such as polymer and ceramic systems. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：807 / 813

页数：7

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