Tensile Fracture Behavior of 2A14 Aluminum Alloy Produced by Extrusion Process

In this study, the tensile mechanical properties of a 2A14 aluminum alloy produced by extrusion were tested at room temperature to investigate the tensile fracture behavior. The results showed that the tensile fracture of the alloy was mixed intergranular and transgranular ductile fracture, as numer...

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Main Authors: Yunpeng Meng, Hua Zhang, Xia Li, Xin Zhou, Huajun Mo, Lifei Wang, Jianfeng Fan
Format: Article
Language:English
Published: MDPI AG 2022-01-01
Series:Metals
Subjects:
Online Access:https://www.mdpi.com/2075-4701/12/2/184
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author Yunpeng Meng
Hua Zhang
Xia Li
Xin Zhou
Huajun Mo
Lifei Wang
Jianfeng Fan
author_facet Yunpeng Meng
Hua Zhang
Xia Li
Xin Zhou
Huajun Mo
Lifei Wang
Jianfeng Fan
author_sort Yunpeng Meng
collection DOAJ
description In this study, the tensile mechanical properties of a 2A14 aluminum alloy produced by extrusion were tested at room temperature to investigate the tensile fracture behavior. The results showed that the tensile fracture of the alloy was mixed intergranular and transgranular ductile fracture, as numerous coarse second-phase particles were distributed in a band along the loading direction, making it prone to microcracking. This was determined to be the main cause of fracture failure of the alloy. In addition, we observed large α-AlFeMnSi(Cu), Al(Fe,Mn)Cu, AlCuMgSi, and Al<sub>2</sub>Cu phases in the microstructure of the 2A14 aluminum alloy, and both Al<sub>2</sub>Cu second phase and precipitation-free phase zone (PFZ) at the grain boundaries were observed, which made the alloy susceptible to fracture failure and reduced the mechanical properties of the alloy.
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spelling doaj.art-66c84f5320aa4fd49cb12c271fda6fed2023-11-23T21:06:17ZengMDPI AGMetals2075-47012022-01-0112218410.3390/met12020184Tensile Fracture Behavior of 2A14 Aluminum Alloy Produced by Extrusion ProcessYunpeng Meng0Hua Zhang1Xia Li2Xin Zhou3Huajun Mo4Lifei Wang5Jianfeng Fan6Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, ChinaInstitute for Advanced Studies in Precision Materials, Yantai University, Yantai 264005, ChinaCollege of Nuclear Equipment and Nuclear Engineering, Yantai University, Yantai 264005, ChinaInstitute for Advanced Studies in Precision Materials, Yantai University, Yantai 264005, ChinaThe First Sub-Institute, Nuclear Power Institute of China, Chengdu 610005, ChinaKey Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, ChinaKey Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, ChinaIn this study, the tensile mechanical properties of a 2A14 aluminum alloy produced by extrusion were tested at room temperature to investigate the tensile fracture behavior. The results showed that the tensile fracture of the alloy was mixed intergranular and transgranular ductile fracture, as numerous coarse second-phase particles were distributed in a band along the loading direction, making it prone to microcracking. This was determined to be the main cause of fracture failure of the alloy. In addition, we observed large α-AlFeMnSi(Cu), Al(Fe,Mn)Cu, AlCuMgSi, and Al<sub>2</sub>Cu phases in the microstructure of the 2A14 aluminum alloy, and both Al<sub>2</sub>Cu second phase and precipitation-free phase zone (PFZ) at the grain boundaries were observed, which made the alloy susceptible to fracture failure and reduced the mechanical properties of the alloy.https://www.mdpi.com/2075-4701/12/2/1842A14 alloytensile fracture behaviormicrostructureprecipitated phase
spellingShingle Yunpeng Meng
Hua Zhang
Xia Li
Xin Zhou
Huajun Mo
Lifei Wang
Jianfeng Fan
Tensile Fracture Behavior of 2A14 Aluminum Alloy Produced by Extrusion Process
Metals
2A14 alloy
tensile fracture behavior
microstructure
precipitated phase
title Tensile Fracture Behavior of 2A14 Aluminum Alloy Produced by Extrusion Process
title_full Tensile Fracture Behavior of 2A14 Aluminum Alloy Produced by Extrusion Process
title_fullStr Tensile Fracture Behavior of 2A14 Aluminum Alloy Produced by Extrusion Process
title_full_unstemmed Tensile Fracture Behavior of 2A14 Aluminum Alloy Produced by Extrusion Process
title_short Tensile Fracture Behavior of 2A14 Aluminum Alloy Produced by Extrusion Process
title_sort tensile fracture behavior of 2a14 aluminum alloy produced by extrusion process
topic 2A14 alloy
tensile fracture behavior
microstructure
precipitated phase
url https://www.mdpi.com/2075-4701/12/2/184
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AT huazhang tensilefracturebehaviorof2a14aluminumalloyproducedbyextrusionprocess
AT xiali tensilefracturebehaviorof2a14aluminumalloyproducedbyextrusionprocess
AT xinzhou tensilefracturebehaviorof2a14aluminumalloyproducedbyextrusionprocess
AT huajunmo tensilefracturebehaviorof2a14aluminumalloyproducedbyextrusionprocess
AT lifeiwang tensilefracturebehaviorof2a14aluminumalloyproducedbyextrusionprocess
AT jianfengfan tensilefracturebehaviorof2a14aluminumalloyproducedbyextrusionprocess