書誌事項
- タイトル別名
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- Turning Machinability of Short Potassium Titanate Fiber Reinforced Aluminum Alloy Composites
- チタンサン カリウム タンセンイ キョウカ アルミニウム ゴウキン フクゴウ ザイリョウ ノ センサクヒサクセイ
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説明
Aluminum alloy composites reinforced with short potassium titanate fibers were fabricated by squeeze casting, and the effects of the fiber volume fraction and cutting conditions on the machinability of the composites were investigated. Composites reinforced with potassium titanate whisker and aluminum borate whisker were also fabricated to compare their machinability with the short potassium titanate fiber reinforced composite. The reinforcements were randomly arranged in the alloy matrix, and no agglomeration of the fibers or porosity was observed. While the change in cutting force values during the cutting was sometimes pronounced for AC8A alloy, it was relatively small and stable for the composite. The average cutting force was lowered by the reinforcement. This is probably due to the fact that the potassium titanate fibers or whiskers in the composite facilitated the shear deformation of the alloy. The cutting force of the potassium titanate fiber reinforced composite was lower than that of the whisker reinforced composites. The roughness of the machined surface was lowered by the reinforcement. The roughness of the AC8A alloy was considerably greater than theoretical roughness. On the contrary, the roughness of the composites was close to the theoretical roughness. This indicates that the reinforcements in the composite suppress the formation of the built-up edge. Continuous chips were formed after cutting the AC8A alloy, while serrated chips were formed after cutting the composites. These results lead to the conclusion that the machinability of the potassium titanate fiber reinforced composites is superior to that of the AC8A alloy and not less than that of the whisker reinforced composite.
収録刊行物
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- 鋳造工学
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鋳造工学 83 (2), 79-85, 2011
公益社団法人 日本鋳造工学会
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詳細情報 詳細情報について
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- CRID
- 1390282681488051840
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- NII論文ID
- 10027890370
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- NII書誌ID
- AN10514770
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- ISSN
- 21855374
- 13420429
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- NDL書誌ID
- 11005259
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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
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可