Fracture toughness of graphene/aluminum nanolaminated composites

被引：8
作者：
Tanaka, Carina B. [1 ,3 ]
Teng, Haoyu [2 ]
Li, Bosong [1 ]
Gludovatz, Bernd [1 ]
Xiong, Ding-Bang [2 ]
Kruzic, Jamie J. [1 ]
机构：
[1] Univ New South Wales UNSW Sydney, Sch Mech & Mfg Engn, Sydney, NSW 2052, Australia
[2] Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China
[3] Charles Sturt Univ, Ctr Rural Dent & Oral Hlth, Orange, NSW 2800, Australia
来源：
MATERIALS LETTERS | 2023年 / 337卷
关键词：
Fracture toughness; Metal matrix composites; Graphene; Nanolaminates; Bioinspired; MECHANICAL-PROPERTIES; GRAPHENE; BEHAVIOR; SIZE;
D O I：
10.1016/j.matlet.2023.133982
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The fracture toughness of nanolaminated graphene/aluminum composites with tensile strength exceeding 300 MPa was examined. Fracture toughness values exceeding 20 MPa root m were found with negligible anisotropy for two cracking orientations, which is comparable to commercially pure aluminum with much lower tensile strength. The bioinspired nanolaminated metal matrix composite approach breaks the strength-toughness trade-off for pure aluminum by promoting toughening by crack blunting, deflection, and bifurcation.
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页数：4
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