書誌事項
- タイトル別名
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- Changes in Mechanical Properties and Microstructure of Aluminum Alloy Sheets with Laser Cutting
- レーザ セツダン カコウ ニ トモナウ アルミニウム ゴウキンバン ノ ビシテキ コウゾウ ト リキガクテキ トクセイ ノ ヘンカ
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抄録
Because of the need for high-mix low-volume production, the use of CO2 laser cutting is spreading rapidly in the sheet metal processing sector. Recently, aluminum alloy sheets of many kinds have found increased use in the industry because of social demands for environmental protection. We have investigated the heat effects of laser cutting materials by Electron Backscatter Diffraction and X-Ray Diffraction analysis. The specimens used were 1050 pure aluminum and 6022 aluminum alloy sheets processed by cold-rolling. In this report, we describes the distribution of plastic strain, the geometrically necessary dislocation density, and stored energy in the heat-affected zone from misorientations such as microscopic kernel average misorientation and grain orientation spread determined by EBSD measurement. Heat-affected zones showed reduced plastic strain, dislocation density, and stored energy with the recrystallization upon laser cutting. Therefore, mechanical properties such as hardness were also reduced.
収録刊行物
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- 塑性と加工
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塑性と加工 54 (633), 923-927, 2013
一般社団法人 日本塑性加工学会
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詳細情報 詳細情報について
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- CRID
- 1390282681476064000
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- NII論文ID
- 10031197027
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- NII書誌ID
- AN00135062
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- COI
- 1:CAS:528:DC%2BC2cXmtVOjtg%3D%3D
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- ISSN
- 18820166
- 00381586
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- NDL書誌ID
- 024956766
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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
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可