Enhanced elastic behavior of all-carbon composites reinforced by in-situ synthesized morphed graphene

被引：11

作者：

Calderon, H. A. ^{[1
]}

Alvarez Ramirez, F. ^{[2
]}

Barber, D. ^{[3
]}

Hadjiev, V. G. ^{[4
]}

Okonkwo, A. ^{[3
]}

Olivares, R. Ordonez ^{[5
]}

Estrada Guel, I. ^{[6
]}

Hernandez, F. C. Robles ^{[3
,7
,8
]}

机构：

[1] IPN, Dept Fis, ESFM, UPALM Ed 9, Mexico City 07738, DF, Mexico

[2] Inst Mexicano Petr, DITH, Eje Cent Lazaro Cardenas 152, Mexico City 07730, DF, Mexico

[3] Univ Houston, Coll Engn Technol, Houston, TX 77204 USA

[4] Univ Houston, Texas Ctr Superconduct, Dept Mech Engn, Houston, TX 77204 USA

[5] Univ Pittsburg, Mech & Mat Sci & Engn Dept, 648 Benedum Hall,3700 OHara St, Pittsburgh, PA 15261 USA

[6] Ctr Invest Mat Avanzados CIMAV, Lab Nacl Nanotecnol, Miguel de Cervantes 120, Chihuahua 31136, Chih, Mexico

[7] Univ Houston, Dept Mat Sci & Engn, Houston, TX 77204 USA

[8] Univ Houston, Comp Sci & Elect Engn, Houston, TX 77204 USA

来源：

CARBON | 2019年 / 153卷

关键词：

MECHANICAL-PROPERTIES; FULLERENE; GRAPHITE; SIMULATION; STRENGTH; C-60;

D O I：

10.1016/j.carbon.2019.07.012

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：

We present the mechanical properties of all-carbon composites reinforced with in situ incorporated morphed graphene nanostructures by means of high energy ball milling and spark plasma sintering. The composites demonstrate enhanced elasticity for carbon sp(3)/sp(2) ratio approximate to 1/4. High resolution TEM characterization and molecular dynamics simulations show that this bonding type ratio is due mostly to the morphed graphene structures. Specifically, the presence of Rh6, crosslinked graphene-like, nanostructures is attributed to the enhanced elastic properties of these all-carbon composites. The improvements in mechanical properties is approximately 2 orders of magnitude when compared to similar composites produced with graphene. Published by Elsevier Ltd.

引用

页码：657 / 662

页数：6

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