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Investigation of Cold Rolling Influence on near Surface Residual Stress Distribution in Explosive Welded Multilayer
The aim of this study is to investigate the effect of cold rolling on residual stress distribution of aluminum and copper three-ply clad sheets fabricated by explosive welding. After preparation of the explosive-welded multilayer, explosivewelded Al/Cu/Al specimens were rolled at 11, 30, 40, and 56%...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Інститут проблем міцності ім. Г.С. Писаренко НАН України
2012
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| Series: | Проблемы прочности |
| Subjects: | |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/173115 |
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| Summary: | The aim of this study is to investigate the effect of cold rolling on residual stress distribution of aluminum and copper three-ply clad sheets fabricated by explosive welding. After preparation of the explosive-welded multilayer, explosivewelded Al/Cu/Al specimens were rolled at 11, 30, 40, and 56% thickness reduction. The through-depth residual stress profiles near the surface have been extracted for explosivewelded and cold-rolled multilayers by incremental hole-drilling method. Results show that the surface of explosive-welded multilayer is subjected to high tensile residual stresses and will be reduced by cold rolling process. Also, tensile residual stress at the surface of cold-rolled multilayers increases at higher thickness reduction. |
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