Effect of Ceramic Rolling and Annealing on Mechanical Properties of AlCoCrFeNi2.1 Eutectic High-Entropy Alloys

Effect of Ceramic Rolling and Annealing on Mechanical Properties of AlCoCrFeNi2.1 Eutectic... JMEPEG ASM International https://doi.org/10.1007/s11665-018-3430-7 1059-9495/$19.00 Effect of Ceramic Rolling and Annealing on Mechanical Properties of AlCoCrFeNi Eutectic High-Entropy Alloys 2.1 Xiangli Hu and Ding Chen (Submitted November 17, 2017; in revised form May 17, 2018) It was firstly proved that AlCoCrFeNi could optimize the strength-ductility combination by ceramic 2.1 rolling at room temperature. The technique greatly enhanced the strength of the materials at the price of slight ductility, which is different from the previous studies. When the thickness reduction was 23.06%, the yield strength and compressive strength were 1611.42 and 2212.99 MPa, respectively, with the plastic strain of 28.36%. Such an excellent combination of strength and ductility was attributed to the distribution of the residual stress, the high hydrostatic stress and the shear bands in ceramic rolling process. The plastic strain of the material increased to 38.54%, and the strength reduced to 1900.73 MPa after annealing at 800 C for 1 h. A lot of like-flower patterns of recrystallized ultrafine grain were observed after annealing at 800 C due to the sluggish diffusion in HEAs and the effect of ceramic rolling. In addition, after annealing at 800 C, the fracture mode changed to shearing fracture of microvoid aggregation from http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Materials Engineering and Performance Springer Journals

Effect of Ceramic Rolling and Annealing on Mechanical Properties of AlCoCrFeNi2.1 Eutectic High-Entropy Alloys

Loading next page...
 
/lp/springer_journal/effect-of-ceramic-rolling-and-annealing-on-mechanical-properties-of-9vtKe0SF3S
Publisher
Springer US
Copyright
Copyright © 2018 by ASM International
Subject
Materials Science; Characterization and Evaluation of Materials; Tribology, Corrosion and Coatings; Quality Control, Reliability, Safety and Risk; Engineering Design
ISSN
1059-9495
eISSN
1544-1024
D.O.I.
10.1007/s11665-018-3430-7
Publisher site
See Article on Publisher Site

Abstract

JMEPEG ASM International https://doi.org/10.1007/s11665-018-3430-7 1059-9495/$19.00 Effect of Ceramic Rolling and Annealing on Mechanical Properties of AlCoCrFeNi Eutectic High-Entropy Alloys 2.1 Xiangli Hu and Ding Chen (Submitted November 17, 2017; in revised form May 17, 2018) It was firstly proved that AlCoCrFeNi could optimize the strength-ductility combination by ceramic 2.1 rolling at room temperature. The technique greatly enhanced the strength of the materials at the price of slight ductility, which is different from the previous studies. When the thickness reduction was 23.06%, the yield strength and compressive strength were 1611.42 and 2212.99 MPa, respectively, with the plastic strain of 28.36%. Such an excellent combination of strength and ductility was attributed to the distribution of the residual stress, the high hydrostatic stress and the shear bands in ceramic rolling process. The plastic strain of the material increased to 38.54%, and the strength reduced to 1900.73 MPa after annealing at 800 C for 1 h. A lot of like-flower patterns of recrystallized ultrafine grain were observed after annealing at 800 C due to the sluggish diffusion in HEAs and the effect of ceramic rolling. In addition, after annealing at 800 C, the fracture mode changed to shearing fracture of microvoid aggregation from

Journal

Journal of Materials Engineering and PerformanceSpringer Journals

Published: May 29, 2018

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create lists to
organize your research

Export lists, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off