3921 Abstract
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The Fracture Property in Micro/Nano Laminated Metal Composites(PDF)

MATERIALS CHINA[ISSN:1674-3962/CN:61-1473/TG]

Issue:
2018年第02期
Page:
41-45
Research Field:
前沿综述
Publishing date:

Info

Title:
The Fracture Property in Micro/Nano Laminated Metal Composites
Author(s):
LIU Zhiying GUO Qiang ZHANG Di
State Key Laboratory of Metal Matrix Composites,Shanghai Jiao Tong University,Shanghai 200240,China
Keywords:
micro/nano laminated metalfracture toughnessfabrication processesmicrostructuremicrostructural achitecture
CLC:

PACS:
-
DOI:
10.7502/j.issn.1674-3962.2018.02.09
DocumentCode:

Abstract:
Laminated metal composites are a typical representative of composites having microstructural architectures. These materials not only make full use of the intrinsic properties of the individual constituent phases, but also take advantage of the synergistic, coupling, reinforcing effects, and the multifunctional response mechanisms of the different phases. Metallic laminates with repeat layer thickness on the micro/nanoscale possess abundant interphase interfaces and are characterized by special sizedependent mechanical behaviors, so that balanced strength and toughness can be achieved by taking advantage of the excellent mechanical properties of the micro/nanoscale constituents, and by tailoring the crack initiation and propagation mechanism. Therefore, metallic micro and nanolaminates are widely used in aerospace, petroleum, machinery, and electronics industry. In this paper, the fracture properties of metallic micro/nanolaminates are reviewed, with particular focus on the microscopic mechanisms and influencing factors of fracture toughness. The fabrication processing and engineering application of these materials are also discussed, and critical microstructural parameters that affect their fracture toughness are identified. It is proposed that by using stateofart, micro/nanoscale characterization tools (such as in situ SEM/TEM and threedimensional atomic probe) combined with sitespecific microstructural analysis may provide important implications on the fracture mechanism of micro/nanolaminated metallic materials, leading to improved modeling and design of these materials.

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Last Update: 2018-03-13