書誌事項
- タイトル別名
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- Fabrication of VGCF reinforced aluminum matrix composites by powder can extrusion and investigation of their reinforcing mechanism
- フンマツカン オシダシ ニ ヨル VGCF キョウカ アルミニウムキ フクゴウ ザイリョウ ノ サクセイ ト ソノ キョウカ キコウ ノ ケントウ
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抄録
Aluminum matrix composites reinforced by vapor grown carbon fibers (VGCF) were fabricated by powder can extrusion. Extrusion ratio was 9 or 16. Temperature and heating duration were changed to investigate the effect of extrusion condition on properties of composites. Measurement of micro-Vickers hardness, tensile strength was conducted and microstructure such as VGCF orientation was characterized. When extrusion temperature was higher or when heating duration was longer, mechanical strength was lower, but fracture strain was higher. In addition, reinforcing efficiency to aluminum was higher for longer heating duration and higher extrusion ratio, due to improved VGCF orientation. Strength was modeled considering load bearing by VGCF, VGCF orientation, work hardening of matrix due to thermal expansion mismatch of VGCF and aluminum and Orowan looping mechanism. From those results and the observation of aluminum grain in composites, reinforcing mechanism of VGCF reinforced composites was discussed.
収録刊行物
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- 軽金属
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軽金属 63 (10), 350-357, 2013
一般社団法人 軽金属学会
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キーワード
詳細情報 詳細情報について
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- CRID
- 1390001206340355584
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- NII論文ID
- 130004482117
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- NII書誌ID
- AN00069773
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- COI
- 1:CAS:528:DC%2BC2cXptVyhsQ%3D%3D
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- ISSN
- 18808018
- 04515994
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- NDL書誌ID
- 024951384
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可