Development of Novel Lightweight Dual-Phase Al-Ti-Cr-Mn-V Medium-Entropy Alloys with High Strength and Ductility

Development of Novel Lightweight Dual-Phase Al-Ti-Cr-Mn-V Medium-Entropy Alloys with High Strength and Ductility

A novel lightweight Al-Ti-Cr-Mn-V medium-entropy alloy (MEA) system was developed using a nonequiatiomic approach and alloys were produced through arc melting and drop casting. These alloys comprised a body-centered cubic (BCC) and face-centered cubic (FCC) dual phase with a density of approximately...

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Main Authors: Yu-Chin Liao, Po-Sung Chen, Chao-Hsiu Li, Pei-Hua Tsai, Jason S. C. Jang, Ker-Chang Hsieh, Chih-Yen Chen, Ping-Hung Lin, Jacob C. Huang, Hsin-Jay Wu, Yu-Chieh Lo, Chang-Wei Huang, I-Yu Tsao
Format: Article
Language:English
Published: MDPI AG 2020-01-01
Series:Entropy
Subjects:
high-entropy alloy
medium-entropy alloy
lightweight alloy
mechanical property
Online Access:https://www.mdpi.com/1099-4300/22/1/74
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spelling doaj-97cc3290c4f740339eaf7e6bf2d635f02020-11-25T01:38:34ZengMDPI AGEntropy1099-43002020-01-012217410.3390/e22010074e22010074Development of Novel Lightweight Dual-Phase Al-Ti-Cr-Mn-V Medium-Entropy Alloys with High Strength and DuctilityYu-Chin Liao0Po-Sung Chen1Chao-Hsiu Li2Pei-Hua Tsai3Jason S. C. Jang4Ker-Chang Hsieh5Chih-Yen Chen6Ping-Hung Lin7Jacob C. Huang8Hsin-Jay Wu9Yu-Chieh Lo10Chang-Wei Huang11I-Yu Tsao12Department of Mechanical Engineering, National Central University, Taoyuan 320, TaiwanInstitute of Material Science and Engineering, National Central University, Taoyuan 320, TaiwanInstitute of Material Science and Engineering, National Central University, Taoyuan 320, TaiwanInstitute of Material Science and Engineering, National Central University, Taoyuan 320, TaiwanDepartment of Mechanical Engineering, National Central University, Taoyuan 320, TaiwanDepartment of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung 804, TaiwanDepartment of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung 804, TaiwanDepartment of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung 804, TaiwanDepartment of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung 804, TaiwanDepartment of Materials Science and Engineering, National Chiao Tung University, Hsinchu 300, TaiwanDepartment of Materials Science and Engineering, National Chiao Tung University, Hsinchu 300, TaiwanDepartment of Civil Engineering, Chung Yuan Christian University, Taoyuan 320, TaiwanInstitute of Material Science and Engineering, National Central University, Taoyuan 320, TaiwanA novel lightweight Al-Ti-Cr-Mn-V medium-entropy alloy (MEA) system was developed using a nonequiatiomic approach and alloys were produced through arc melting and drop casting. These alloys comprised a body-centered cubic (BCC) and face-centered cubic (FCC) dual phase with a density of approximately 4.5 g/cm<sup>3</sup>. However, the fraction of the BCC phase and morphology of the FCC phase can be controlled by incorporating other elements. The results of compression tests indicated that these Al-Ti-Cr-Mn-V alloys exhibited a prominent compression strength (~1940 MPa) and ductility (~30%). Moreover, homogenized samples maintained a high compression strength of 1900 MPa and similar ductility (30%). Due to the high specific compressive strength (0.433 GPa&#183;g/cm<sup>3</sup>) and excellent combination of strength and ductility, the cast lightweight Al-Ti-Cr-Mn-V MEAs are a promising alloy system for application in transportation and energy industries.https://www.mdpi.com/1099-4300/22/1/74high-entropy alloymedium-entropy alloylightweight alloymechanical property
collection DOAJ
language English
format Article
sources DOAJ
author Yu-Chin Liao
Po-Sung Chen
Chao-Hsiu Li
Pei-Hua Tsai
Jason S. C. Jang
Ker-Chang Hsieh
Chih-Yen Chen
Ping-Hung Lin
Jacob C. Huang
Hsin-Jay Wu
Yu-Chieh Lo
Chang-Wei Huang
I-Yu Tsao
spellingShingle Yu-Chin Liao
Po-Sung Chen
Chao-Hsiu Li
Pei-Hua Tsai
Jason S. C. Jang
Ker-Chang Hsieh
Chih-Yen Chen
Ping-Hung Lin
Jacob C. Huang
Hsin-Jay Wu
Yu-Chieh Lo
Chang-Wei Huang
I-Yu Tsao
Development of Novel Lightweight Dual-Phase Al-Ti-Cr-Mn-V Medium-Entropy Alloys with High Strength and Ductility
Entropy
high-entropy alloy
medium-entropy alloy
lightweight alloy
mechanical property
author_facet Yu-Chin Liao
Po-Sung Chen
Chao-Hsiu Li
Pei-Hua Tsai
Jason S. C. Jang
Ker-Chang Hsieh
Chih-Yen Chen
Ping-Hung Lin
Jacob C. Huang
Hsin-Jay Wu
Yu-Chieh Lo
Chang-Wei Huang
I-Yu Tsao
author_sort Yu-Chin Liao
title Development of Novel Lightweight Dual-Phase Al-Ti-Cr-Mn-V Medium-Entropy Alloys with High Strength and Ductility
title_short Development of Novel Lightweight Dual-Phase Al-Ti-Cr-Mn-V Medium-Entropy Alloys with High Strength and Ductility
title_full Development of Novel Lightweight Dual-Phase Al-Ti-Cr-Mn-V Medium-Entropy Alloys with High Strength and Ductility
title_fullStr Development of Novel Lightweight Dual-Phase Al-Ti-Cr-Mn-V Medium-Entropy Alloys with High Strength and Ductility
title_full_unstemmed Development of Novel Lightweight Dual-Phase Al-Ti-Cr-Mn-V Medium-Entropy Alloys with High Strength and Ductility
title_sort development of novel lightweight dual-phase al-ti-cr-mn-v medium-entropy alloys with high strength and ductility
publisher MDPI AG
series Entropy
issn 1099-4300
publishDate 2020-01-01
description A novel lightweight Al-Ti-Cr-Mn-V medium-entropy alloy (MEA) system was developed using a nonequiatiomic approach and alloys were produced through arc melting and drop casting. These alloys comprised a body-centered cubic (BCC) and face-centered cubic (FCC) dual phase with a density of approximately 4.5 g/cm<sup>3</sup>. However, the fraction of the BCC phase and morphology of the FCC phase can be controlled by incorporating other elements. The results of compression tests indicated that these Al-Ti-Cr-Mn-V alloys exhibited a prominent compression strength (~1940 MPa) and ductility (~30%). Moreover, homogenized samples maintained a high compression strength of 1900 MPa and similar ductility (30%). Due to the high specific compressive strength (0.433 GPa&#183;g/cm<sup>3</sup>) and excellent combination of strength and ductility, the cast lightweight Al-Ti-Cr-Mn-V MEAs are a promising alloy system for application in transportation and energy industries.
topic high-entropy alloy
medium-entropy alloy
lightweight alloy
mechanical property
url https://www.mdpi.com/1099-4300/22/1/74
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