Effect of Multi-Pass Friction Stir Processing on Microstructure and Mechanical Properties of a Metastable Dual-Phase High Entropy Alloy

Meena, Neelam; Rao, A. Gourav; Dommeti, Satya Gowtam; Prabhu, N.

doi:10.3390/lubricants11010002

Cited by 6 publications

(2 citation statements)

References 45 publications

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“…Due to this, traditional alloy design struggles to break free from the shackles of single-element design. The emergence of HEA, a new material system, breaks this classic alloy design pattern, opening up a new direction for alloy design in materials science [89][90][91][92][93][94][95].…”

Section: High-entropy Alloysmentioning

confidence: 99%

A Review of the Laser Cladding of Metal-Based Alloys, Ceramic-Reinforced Composites, Amorphous Alloys, and High-Entropy Alloys on Aluminum Alloys

Zhao,

Shi,

Wang

et al. 2023

Lubricants

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As one of the lightest structural metals, the application breadth of aluminum alloys is, to some extent, constrained by their relatively low wear resistance and hardness. However, laser cladding technology, with its low dilution rate, compact structure, excellent coating-to-substrate bonding, and environmental advantages, can significantly enhance the surface hardness and wear resistance of aluminum alloys, thus proving to be an effective surface modification strategy. This review focuses on the topic of surface laser cladding materials for aluminum alloys, detailing the application background, process, microstructure, hardness, wear resistance, and corrosion resistance of six types of coatings, namely Al-based, Ni-based, Fe-based, ceramic-based, amorphous glass, and high-entropy alloys. Each coating type’s characteristics are summarized, providing theoretical references for designing and selecting laser cladding coatings for aluminum alloy surfaces. Furthermore, a prediction and outlook for the future development of laser cladding on the surface of aluminum alloys is also presented.

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Section: High-entropy Alloysmentioning

confidence: 99%

A Review of the Laser Cladding of Metal-Based Alloys, Ceramic-Reinforced Composites, Amorphous Alloys, and High-Entropy Alloys on Aluminum Alloys

Zhao,

Shi,

Wang

et al. 2023

Lubricants

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show abstract

“…As a new alloy material, high-entropy alloy (HEA) was proposed by Yeh et al in 2004 and is defined as an alloy system consisting of 5 to 13 isotonic ratios or near-isotonic ratios [12]. Compared with conventional alloys, HEAs have a high-entropy effect, hysteresis diffusion effect, and lattice distortion effect, which enable them to inhibit the formation of ordered intermetallic compounds during solidification and tend to form simple solid solution structures [5,[13][14][15][16][17][18]. Based on the four effects of HEAs, using them as coatings for laser cladding of aluminum alloy surfaces is beneficial to suppress the problems of poor coating quality caused by the dilution behavior of aluminum and, at the same time, improve the coating performance.…”

Section: Introductionmentioning

confidence: 99%

Corrosion Behavior and Comprehensive Evaluation of Al0.8CrFeCoNiCu0.5B0.1 High-Entropy Alloy in 3.5% NaCl Solution

Shi

Chen

et al. 2023

Lubricants

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In this study, Al0.8CrFeCoNiCu0.5B0.1 high-entropy alloy coating was prepared on the surface of 5083 aluminum alloy using laser cladding technology. The corrosion behavior of the coating and substrate in 3.5% NaCl solution was analyzed using experimental methods, including polarization curves and electrochemical impedance spectroscopy. The corrosion current density of Al0.8CrFeCoNiCu0.5B0.1 coating is 2.04 × 10−7 A/cm 2. The passivation range width reaches 2.771 V, and these polarization test results are superior to the substrate. The Al0.8CrFeCoNiCu0.5B0.1 coating exhibited selective corrosion behavior, with the Cu-rich FCC1 phase and Cr-poor phase being susceptible to corrosion, leading to localized pitting and intergranular corrosion traces, but the corrosion did not spread extensively. The intergranular distribution of Cu is the main reason for the intergranular corrosion trace features. In contrast, the substrate exhibited overall corrosion. The Nyquist plot of the Al0.8CrFeCoNiCu0.5B0.1 coating consisted of a single capacitive semicircle arc in the high-frequency region with a larger radius than the substrate. In conclusion, using the Al0.8CrFeCoNiCu0.5B0.1 high-entropy alloy as a coating can significantly improve the corrosion resistance of the 5083 aluminum alloy substrate.

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Synthesis of High Entropy Alloy for Surface Modification by Friction Stir Process: Recent Advances and Future Directions

Ragunath,

Radhika,

Aravind Krishna

et al. 2023

Met. Mater. Int.

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Effect of Multi-Pass Friction Stir Processing on Microstructure and Mechanical Properties of a Metastable Dual-Phase High Entropy Alloy

Cited by 6 publications

References 45 publications

A Review of the Laser Cladding of Metal-Based Alloys, Ceramic-Reinforced Composites, Amorphous Alloys, and High-Entropy Alloys on Aluminum Alloys

A Review of the Laser Cladding of Metal-Based Alloys, Ceramic-Reinforced Composites, Amorphous Alloys, and High-Entropy Alloys on Aluminum Alloys

Corrosion Behavior and Comprehensive Evaluation of Al0.8CrFeCoNiCu0.5B0.1 High-Entropy Alloy in 3.5% NaCl Solution

Synthesis of High Entropy Alloy for Surface Modification by Friction Stir Process: Recent Advances and Future Directions

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