Effect of inhomogeneous composition on the thermal conductivity of an Al alloy during the precipitation-hardening process

Lee, Wooju; Lee, Jong-Kook; Kyoung, Woomin; Lee, HooDam; Lee, Hyunjoo; Kim, Dongchoul

doi:10.1016/j.jmrt.2020.07.040

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2024

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Cited by 8 publications

(2 citation statements)

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“…Material conductivity is sensitive to alloy composition and microstructure [19,20]. It is determined by the scattering of electrons by disturbances on the crystal lattice structure which can be crystal defects, thermal vibrations, and solute atoms [21].…”

Section: Introductionmentioning

confidence: 99%

Direct Ageing of LPBF Al-1Fe-1Zr for High Conductivity and Mechanical Performance

Pauzon

Buttard

Després

et al. 2023

Preprint

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Section: Introductionmentioning

confidence: 99%

Direct Ageing of LPBF Al-1Fe-1Zr for High Conductivity and Mechanical Performance

Pauzon

Buttard

Després

et al. 2023

Preprint

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“…The material used as a friction component requires high hardness. Aluminum alloys are usually strengthened and hardened by an aging process to satisfy mechanical requirements for many industrial applications [17]. The hardness of Al-Si alloys can be improved by using artificial aging process.…”

Section: Introductionmentioning

confidence: 99%

Influence of Artificial Aging in Aluminum Silicon Alloy

Masyrukan

Darmawan

2021

MSF

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One of the techniques to increase the hardness of aluminum alloy is by aging process. The aging process includes natural aging and artificial aging processes. This study aims to investigate the effect of artificial aging on the hardness of aluminum silicon alloys. Artificial aging is carried out at two temperature variations, namely 150 and 200 °C. Metallographic test using optical microscopy and scanning electron microscopy were performed to observe the microstructure and deposits of silicon. Investigation of the constituent elements of aluminum silicon was carried out using the Energy Dispersive X-Ray Spectroscopy technique. The mechanical properties of aluminum silicon alloys examined were hardness before aging and hardness after artificial aging at temperatures of 150 and 200 °C. Hardness testing is conducted by Rockwell B hardness testing. The hardness test results showed that the hardness before the aging process was 61.1 HRB, the hardness after artificial aging at 150 °C was 69.11 HRB and the hardness after artificial aging at 200 °C was 80.36 HRB. There was an increase in hardness after the artificial aging process was carried out.

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Direct ageing of LPBF Al-1Fe-1Zr for high conductivity and mechanical performance

Pauzon,

Buttard,

Després

et al. 2023

Acta Materialia

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Effect of inhomogeneous composition on the thermal conductivity of an Al alloy during the precipitation-hardening process

Cited by 8 publications

References 34 publications

Direct Ageing of LPBF Al-1Fe-1Zr for High Conductivity and Mechanical Performance

Direct Ageing of LPBF Al-1Fe-1Zr for High Conductivity and Mechanical Performance

Influence of Artificial Aging in Aluminum Silicon Alloy

Direct ageing of LPBF Al-1Fe-1Zr for high conductivity and mechanical performance

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