Microstructure and mechanical properties of Ni1,5Co1,5CrFeTi0,5 high entropy alloy fabricated by mechanical alloying and spark plasma sintering
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F17%3A00474253" target="_blank" >RIV/68081723:_____/17:00474253 - isvavai.cz</a>
Alternative codes found
RIV/00216208:11320/17:10371100 RIV/00216305:26210/17:PU123493
Result on the web
<a href="http://www.sciencedirect.com/science/article/pii/S0264127517300461" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0264127517300461</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.matdes.2017.01.036" target="_blank" >10.1016/j.matdes.2017.01.036</a>
Alternative languages
Result language
angličtina
Original language name
Microstructure and mechanical properties of Ni1,5Co1,5CrFeTi0,5 high entropy alloy fabricated by mechanical alloying and spark plasma sintering
Original language description
The present work is focused on synthesis and mechanical properties evaluation of non-equiatomic Ni1,5Co1,5CrFeTi0,5, ductile single phase high entropy alloy (HEA) with excellent mechanical properties (bend strength Rmb = 2593 MPa, tensile strength Rm = 1384 MPa, tensile elongation to fracture of 4.01%, and elastic modulus of 216 GPa) surpassing those of traditional as-cast HEA. For the alloy production, a combination of mechanical alloying (MA) process in a planetary ball mill and spark plasma sintering (SPS) for powder densification was utilized. The tensile properties of a bulk material produced by a combination of MA + SPS are characterized for the first time. The feedstock powder and corresponding bulk material microstructure, elemental and phase composition, and mechanical properties were investigated by scanning (SEM) and transmission (TEM) electron microscopy, energy-dispersive X-ray spectroscopy (EDX), electron backscatter diffraction (EBSD), X-ray diffraction (XRD), as well as impulse excitation of vibration, Vickers microhardness and tensile and bend strength tests, respectively. The structure of the samples consisted of single-phase FCC high entropy solid solution of extremely fine-twinned grains and oxide inclusions inherited from the original powder feedstock. Dimple-like morphology corresponding to ductile fracture mode has been observed on the fracture surfaces, with crack initiation sites on the inclusions phases.
Czech name
—
Czech description
—
Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
20306 - Audio engineering, reliability analysis
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Materials and Design
ISSN
0264-1275
e-ISSN
—
Volume of the periodical
119
Issue of the periodical within the volume
APR
Country of publishing house
GB - UNITED KINGDOM
Number of pages
10
Pages from-to
141-150
UT code for WoS article
000397360000016
EID of the result in the Scopus database
2-s2.0-85010762590