The improvement mechanism of good matching between electrical conductivity and mechanical properties for Al-4Si-0.8Mg-0.6Fe alloy

Cui, Xiaoli; Ye, Hui; Liu, Houyun; Li, Xinghui; Man, Qianming; Li, Hui; Cui, Hongwei; Feng, Rui; Pan, Yaokun

doi:10.1016/j.jallcom.2022.168275

Cited by 7 publications

(1 citation statement)

References 44 publications

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“…Similar findings were observed for the eutectic Si in the Al–4Si–0.8Mg–0.6Fe alloy. [ 48 ] Accordingly, the Al1Ni alloy showed a higher EC at a given aging time in both T5 and T6 tempers (Figure 5). However, the Al2Ni and Al3Ni alloys showed a similar EC behavior (Figure 5), though the Al3Ni alloy has a higher Ni value than Al2Ni alloy.…”

Section: Discussionmentioning

confidence: 98%

Enhanced Mechanical Strength and Electrical Conductivity of Al–Ni‐Based Conductor Cast Alloys Containing Mg and Si

Algendy,

Javidani,

Khangholi

et al. 2023

Adv Eng Mater

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The electrical conductivity (EC), mechanical strength, hot tearing susceptibility (HTS), and related microstructure of Al–xNi–0.55Mg–0.55Si conductor alloys (x = 1–4 wt%) are investigated. Adding Mg and Si into Al–Ni‐based alloys, numerous β″/β′ precipitate after T5 and T6 treatments, thus significantly improving the EC and mechanical strength. The HTS of the alloys reduces significantly as the Ni content increases, mainly because of an increase in the eutectic Al–Al3Ni and a reduction in the grain size. Under T5 condition, the tensile strengths increase gradually with the Ni content and reach a medium strength level, with yield strength (YS) of 158–205 MPa and EC of 47.1–50.7% IACS. After applying T6, all alloys achieve a high strength, with YS of 246–287 MPa and EC of 47.7–51.1% IACS. However, the strength decreases with increasing Ni content. In general, the Al3Ni–0.55Mg–0.55Si alloy presents a better trade‐off among HTS, YS, and EC among the four alloys investigated. Due to its excellent properties (EC of 49.4% IACS and YS of 178 MPa in T5, and EC of 49.7% IACS and YS of 250 MPa in T6), the Al3Ni–0.55Mg–0.55Si alloy is a promising material for the fabrication of Al conductor cast alloys.

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Section: Discussionmentioning

confidence: 98%

Enhanced Mechanical Strength and Electrical Conductivity of Al–Ni‐Based Conductor Cast Alloys Containing Mg and Si

Algendy,

Javidani,

Khangholi

et al. 2023

Adv Eng Mater

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Aluminum alloys for electrical engineering: a review

Czerwinski

2024

J Mater Sci

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High-performance conductors are essential for economically and environmentally sustainable ways of electricity transfer in modern infrastructure, manufacturing and transportation, including electric vehicles. This report reviews the aluminum conductors, their fundamentals, classification and utilization markets, focusing on metallurgical characteristics of present commercial solutions and the strategy of future development directions. The inherent features of aluminum, both beneficial and detrimental, for electrical engineering are emphasized along with alloying concepts that provide the accelerated decomposition of matrix solid solution to minimize the electron scattering. Development activities are assessed of new generation of aluminum conductors that in addition to alloying utilize novel processing techniques such as ultra-fast crystallization, severe plastic deformation and complex thermomechanical treatments aiming at grain reduction to nanometer scale, crystallographic texture control and grain boundary engineering. Transition metals and rare earths are considered as the promising alloying candidates for high-strength conductors having superior thermal stability with extra importance given to immiscible systems of Al–Ce, Al–La and Al–Y along with multiply additions, combined to generate the synergy effects. The composites with cladding configuration and particulate reinforcement including via carbon-type strengtheners are discussed as the effective solutions of advanced conductors. A variety of strategies that aim at overcoming the strength–conductivity trade-off in conductor materials are presented throughout the report. Graphical abstract

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Effect of Cu and Heat Treatment on the Microstructure and Properties of 6101 Aluminum Alloy

Kang,

Li,

Wang

et al. 2024

J. of Materi Eng and Perform

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The improvement mechanism of good matching between electrical conductivity and mechanical properties for Al-4Si-0.8Mg-0.6Fe alloy

Cited by 7 publications

References 44 publications

Enhanced Mechanical Strength and Electrical Conductivity of Al–Ni‐Based Conductor Cast Alloys Containing Mg and Si

Enhanced Mechanical Strength and Electrical Conductivity of Al–Ni‐Based Conductor Cast Alloys Containing Mg and Si

Aluminum alloys for electrical engineering: a review

Effect of Cu and Heat Treatment on the Microstructure and Properties of 6101 Aluminum Alloy

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