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

研究成果: ジャーナルへの寄稿記事

抄録

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.

元の言語英語
記事番号648
ジャーナルMetals
9
発行部数4
DOI
出版物ステータス出版済み - 4 1 2019

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Superalloys
Aluminum alloys
Melting
Lasers
Temperature
Eutectics
Ductility
Mechanical properties
Microstructure

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

これを引用

Effect of Fe addition on heat-resistant aluminum alloys produced by selective laser melting. / Yamasaki, Shigeto; Okuhira, Tomo; Mitsuhara, Masatoshi; Nakashima, Hideharu; Kusui, Jun; Adachi, Mitsuru.

:: Metals, 巻 9, 番号 4, 648, 01.04.2019.

研究成果: ジャーナルへの寄稿記事

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AU - Kusui, Jun

AU - Adachi, Mitsuru

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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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