Grain refinement and superplasticity of Inconel 718 processed by Multi-Pass High-Pressure sliding

Yongpeng Tang; Kaveh Edalati; Takahiro Masuda; Yoichi Takizawa; Manabu Yumoto; Zenji Horita

doi:10.1016/j.matlet.2021.130144

Grain refinement and superplasticity of Inconel 718 processed by Multi-Pass High-Pressure sliding

Yongpeng Tang, Kaveh Edalati, Takahiro Masuda, Yoichi Takizawa, Manabu Yumoto, Zenji Horita

国際科学連携ハブ

研究成果: Contribution to journal › Article › 査読

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Inconel 718 was successfully processed by multi-pass high-pressure sliding (MP-HPS) for production of ultrafine-grained structures in rods with upsized dimensions. An ultrafine-grained (UFG) structure with an average grain size of ~ 140 nm was developed through rotation of 45°. Tensile testing at 1073 K with an initial strain rate of 2x10^-2 s⁻¹ led to superplastic elongations more than 400%. A relation is established between hardness and elongation to failure so that it should be possible to predict the advent of superplasticity only from the hardness measurement.

本文言語	英語
論文番号	130144
ジャーナル	Materials Letters
巻	300
DOI	https://doi.org/10.1016/j.matlet.2021.130144
出版ステータス	出版済み - 10 1 2021

All Science Journal Classification (ASJC) codes

材料科学（全般）
凝縮系物理学
材料力学
機械工学

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10.1016/j.matlet.2021.130144

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title = "Grain refinement and superplasticity of Inconel 718 processed by Multi-Pass High-Pressure sliding",

abstract = "Inconel 718 was successfully processed by multi-pass high-pressure sliding (MP-HPS) for production of ultrafine-grained structures in rods with upsized dimensions. An ultrafine-grained (UFG) structure with an average grain size of ~ 140 nm was developed through rotation of 45°. Tensile testing at 1073 K with an initial strain rate of 2x10-2 s−1 led to superplastic elongations more than 400%. A relation is established between hardness and elongation to failure so that it should be possible to predict the advent of superplasticity only from the hardness measurement.",

author = "Yongpeng Tang and Kaveh Edalati and Takahiro Masuda and Yoichi Takizawa and Manabu Yumoto and Zenji Horita",

note = "Funding Information: This work was supported by Grant-in-Aids for Scientific Research (A) ( J19H00830 ) and ( J21H00150 ) from the MEXT , Japan. Publisher Copyright: {\textcopyright} 2021 Elsevier B.V.",

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doi = "10.1016/j.matlet.2021.130144",

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T1 - Grain refinement and superplasticity of Inconel 718 processed by Multi-Pass High-Pressure sliding

AU - Tang, Yongpeng

AU - Edalati, Kaveh

AU - Masuda, Takahiro

AU - Takizawa, Yoichi

AU - Yumoto, Manabu

AU - Horita, Zenji

PY - 2021/10/1

Y1 - 2021/10/1

N2 - Inconel 718 was successfully processed by multi-pass high-pressure sliding (MP-HPS) for production of ultrafine-grained structures in rods with upsized dimensions. An ultrafine-grained (UFG) structure with an average grain size of ~ 140 nm was developed through rotation of 45°. Tensile testing at 1073 K with an initial strain rate of 2x10-2 s−1 led to superplastic elongations more than 400%. A relation is established between hardness and elongation to failure so that it should be possible to predict the advent of superplasticity only from the hardness measurement.

AB - Inconel 718 was successfully processed by multi-pass high-pressure sliding (MP-HPS) for production of ultrafine-grained structures in rods with upsized dimensions. An ultrafine-grained (UFG) structure with an average grain size of ~ 140 nm was developed through rotation of 45°. Tensile testing at 1073 K with an initial strain rate of 2x10-2 s−1 led to superplastic elongations more than 400%. A relation is established between hardness and elongation to failure so that it should be possible to predict the advent of superplasticity only from the hardness measurement.

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JF - Materials Letters

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Grain refinement and superplasticity of Inconel 718 processed by Multi-Pass High-Pressure sliding

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