Compressive characteristics of closed-cell aluminum foams after immersion in simulated seawater

被引：10

作者：

Xia, Xingchuan ^{[1
,2
]}

Zhang, Zan ^{[1
]}

Wang, Jing ^{[1
]}

Zhang, Xin ^{[1
]}

Zhao, Weimin ^{[1
]}

Liao, Bo ^{[1
]}

Hur, Boyoung ^{[3
]}

机构：

[1] Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China

[2] Key Lab Micro & Nanoscale Boron Nitride Mat Hebei, Beijing, Peoples R China

[3] Gyeongsang Natl Univ South Korea, Sch Nano Adv Mat Sci & Engn, Jinju Si, Gyeongsangnam D, South Korea

来源：

MATERIALS & DESIGN | 2015年 / 67卷

关键词：

Aluminum foam; Compressive properties; Corrosion behavior; DECOMPOSITION PROPERTIES; CORROSION-RESISTANCE; TITANIUM HYDRIDE; BEHAVIOR; DEFORMATION; MG;

D O I：

10.1016/j.matdes.2014.11.049

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, the compressive characteristics of closed-cell aluminum foams (with different percentages of elemental Mn) after immersion in simulated seawater are investigated and the effect of corrosion process on the yield strength and energy absorption capacity is studied systematically. Results show that corrosion process changes the compressive deformation mode from ductile fracture to brittle fracture. Meanwhile, the corrosion process dramatically deteriorates the yield strength and energy absorption capacity. Fortunately, elemental Mn significantly reduces the effect of corrosion process on the deformation mode and compressive behaviors of foams. Statistical results show that the foam with Mn percentage of 1-2 wt.% possesses optimal yield strength and energy absorption capacity loss rates under the present conditions. Electrochemical test, morphology observation and XRD detections are applied to explain the reasons. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：330 / 336

页数：7

共 29 条

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