Microstructure and wear resistance of TiC reinforced AlCoCrFeNi2.1 eutectic high entropy alloy layer fabricated by micro-plasma cladding

Ye, Fuxing; Yu, Yihua; Lou, Zhi Feng; Feng, Lingzhi; Guo, Liu; Yu, Jianxing

doi:10.1016/j.matlet.2020.128859

Cited by 32 publications

(8 citation statements)

References 13 publications

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“…AlCoCrFeNi have been intensively studied due to their sluggish diffusion behavior and similar composition with the MCrAlY [184,187]. The AlCoCrFeNi with a dual-phase structure exhibits superior compressive and tensile strength.…”

Section: High Entropy Bond Coatmentioning

confidence: 99%

Progress update on extending the durability of air plasma sprayed thermal barrier coatings

Luo

Chen

Zhou

et al. 2022

Ceramics International

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Section: High Entropy Bond Coatmentioning

confidence: 99%

Progress update on extending the durability of air plasma sprayed thermal barrier coatings

Luo

Chen

Zhou

et al. 2022

Ceramics International

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“…Hard particle reinforcement into HEAs matrix is another approach employed to improve the tribological properties. For example, adding WC into Co 10 Cr 10 Fe 40 Mn 40 [382], adding TiN-Al 2 O 3 into CoCrFeNiMn [277], adding NbC into AlCoCrFeNi [272], adding TiC into CoCrCuFeNiSi 0.2 [384] and AlCoCrFeNi 2.1 [416] improved the tribological performances. Such improved wear resistance was largely attributed to the increased hardness, the restrained effect of adherence abrasion, solution strengthening or microstructure refinement.…”

Section: Particle Reinforcementmentioning

confidence: 99%

Recent Advances in Additive Manufacturing of High Entropy Alloys and Their Nuclear and Wear-Resistant Applications

Sonal

Lee

2021

Metals

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Alloying has been very common practice in materials engineering to fabricate metals of desirable properties for specific applications. Traditionally, a small amount of the desired material is added to the principal metal. However, a new alloying technique emerged in 2004 with the concept of adding several principal elements in or near equi-atomic concentrations. These are popularly known as high entropy alloys (HEAs) which can have a wide composition range. A vast area of this composition range is still unexplored. The HEAs research community is still trying to identify and characterize the behaviors of these alloys under different scenarios to develop high-performance materials with desired properties and make the next class of advanced materials. Over the years, understanding of the thermodynamics theories, phase stability and manufacturing methods of HEAs has improved. Moreover, HEAs have also shown retention of strength and relevant properties under extreme tribological conditions and radiation. Recent progresses in these fields are surveyed and discussed in this review with a focus on HEAs for use under extreme environments (i.e., wear and irradiation) and their fabrication using additive manufacturing.

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“…[ 6–8 ] In addition, EHEAs exhibited high wear resistance, good oxidation resistance, and excellent strength–ductility by combining with soft FCC phase and hard B2/intermetallic compound (IMC) phase. [ 9–16 ] EHEAs with excellent castability coupled with exceptional mechanical properties showed bright industrial application prospects. [ 5,17–20 ]…”

Section: Introductionmentioning

confidence: 99%

“…[6][7][8] In addition, EHEAs exhibited high wear resistance, good oxidation resistance, and excellent strength-ductility by combining with soft FCC phase and hard B2/intermetallic compound (IMC) phase. [9][10][11][12][13][14][15][16] EHEAs with excellent castability coupled with exceptional mechanical properties showed bright industrial application prospects. [5,[17][18][19][20] Since the concept of EHEAs was proposed by Lu et al [1] in 2014, several methods have been developed to design EHEAs, such as mixing enthalpy strategy, simple mixture strategy, pseudobinary strategy, infinite solid-solution strategy, calculated phase diagram strategy, machine learning strategy, and so forth.…”

mentioning

confidence: 99%

Designing Eutectic High‐Entropy Alloys Containing Nonmetallic Elements

Zhang

Amar

et al. 2022

Adv Eng Mater

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Eutectic high‐entropy alloys (EHEAs), as an important branch of high‐entropy alloys (HEAs), have become hotpots in the materials field due to the excellent combination of mechanical properties and casting liquidity. However, designing of EHEAs containing nonmetallic elements has been rarely reported. Herein, a new strategy to design EHEAs containing nonmetallic elements by introducing an idealized mode of A‐(M + N) and using computer‐aided thermodynamic calculations is proposed. Based on this strategy, four new EHEAs, namely, CoFeNi2–Ti0.48Si0.8, CoCrNi2–V0.86B0.43, CoCrFeNi2–V0.89B0.45Si0.15, and CoCrNi2–MoC0.6, are designed and prepared. The CoFeNi2–Ti0.48Si0.8 and CoCrNi2–MoC0.6 EHEAs are composed of face‐centered‐cubic (FCC) + M16Ti6Si7‐type silicide and FCC + M23C6 + M6C‐type carbide, respectively. The CoCrNi2‐V0.86B0.43 and CoCrFeNi2‐V0.89B0.45Si0.15 EHEAs exhibit the same eutectic microstructure as FCC + M3B2‐type boride. The synthesized EHEAs containing nonmetallic elements show excellent mechanical properties. The experimental result indicates that this strategy can provide a feasible and effective way to develop new EHEAs with nonmetallic elements.

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Microstructure and wear resistance of TiC reinforced AlCoCrFeNi2.1 eutectic high entropy alloy layer fabricated by micro-plasma cladding

Cited by 32 publications

References 13 publications

Progress update on extending the durability of air plasma sprayed thermal barrier coatings

Progress update on extending the durability of air plasma sprayed thermal barrier coatings

Recent Advances in Additive Manufacturing of High Entropy Alloys and Their Nuclear and Wear-Resistant Applications

Designing Eutectic High‐Entropy Alloys Containing Nonmetallic Elements

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