Effect of Fe addition on heat-resistant aluminum alloys produced by selective laser melting

Shigeto Yamasaki; Tomo Okuhira; Masatoshi Mitsuhara; Hideharu Nakashima; Jun Kusui; Mitsuru Adachi

doi:10.3390/met9040468

Effect of Fe addition on heat-resistant aluminum alloys produced by selective laser melting

Shigeto Yamasaki, Tomo Okuhira, Masatoshi Mitsuhara, Hideharu Nakashima, Jun Kusui, Mitsuru Adachi

Materials Physics and Engineering

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

The effect of Fe addition on the high-temperature mechanical properties of heat-resistant aluminum alloys produced by selective laser melting (SLM) was investigated in relation to the alloy microstructures. Fe is generally detrimental to the properties of cast aluminum alloys; however, we found that Fe-containing alloys produced by SLM had improved high-temperature strength and good ductility. Microstructural observations revealed that the increase in the high-temperature strength of the alloys was due to the dispersion of fine rod-shaped Fe-Si-Ni particles unique to the SLM material instead of the cell-like structure of eutectic Si.

Original language	English
Article number	648
Journal	Metals
Volume	9
Issue number	4
DOIs	https://doi.org/10.3390/met9040468
Publication status	Published - Apr 2019

All Science Journal Classification (ASJC) codes

Materials Science(all)
Metals and Alloys

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abstract = "The effect of Fe addition on the high-temperature mechanical properties of heat-resistant aluminum alloys produced by selective laser melting (SLM) was investigated in relation to the alloy microstructures. Fe is generally detrimental to the properties of cast aluminum alloys; however, we found that Fe-containing alloys produced by SLM had improved high-temperature strength and good ductility. Microstructural observations revealed that the increase in the high-temperature strength of the alloys was due to the dispersion of fine rod-shaped Fe-Si-Ni particles unique to the SLM material instead of the cell-like structure of eutectic Si.",

author = "Shigeto Yamasaki and Tomo Okuhira and Masatoshi Mitsuhara and Hideharu Nakashima and Jun Kusui and Mitsuru Adachi",

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T1 - Effect of Fe addition on heat-resistant aluminum alloys produced by selective laser melting

AU - Yamasaki, Shigeto

AU - Okuhira, Tomo

AU - Mitsuhara, Masatoshi

AU - Nakashima, Hideharu

AU - Kusui, Jun

AU - Adachi, Mitsuru

PY - 2019/4

Y1 - 2019/4

N2 - The effect of Fe addition on the high-temperature mechanical properties of heat-resistant aluminum alloys produced by selective laser melting (SLM) was investigated in relation to the alloy microstructures. Fe is generally detrimental to the properties of cast aluminum alloys; however, we found that Fe-containing alloys produced by SLM had improved high-temperature strength and good ductility. Microstructural observations revealed that the increase in the high-temperature strength of the alloys was due to the dispersion of fine rod-shaped Fe-Si-Ni particles unique to the SLM material instead of the cell-like structure of eutectic Si.

AB - The effect of Fe addition on the high-temperature mechanical properties of heat-resistant aluminum alloys produced by selective laser melting (SLM) was investigated in relation to the alloy microstructures. Fe is generally detrimental to the properties of cast aluminum alloys; however, we found that Fe-containing alloys produced by SLM had improved high-temperature strength and good ductility. Microstructural observations revealed that the increase in the high-temperature strength of the alloys was due to the dispersion of fine rod-shaped Fe-Si-Ni particles unique to the SLM material instead of the cell-like structure of eutectic Si.

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Effect of Fe addition on heat-resistant aluminum alloys produced by selective laser melting

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