Material flow observation for dissimilar friction stir welding of aluminum alloy and steel by X-ray CT method
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- Yasui Toshiaki
- Toyohashi University of Technology
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- Ishida Sho
- Graduate Student, Toyohashi University of Technology
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- Fukumoto Masahiro
- Toyohashi University of Technology
Bibliographic Information
- Other Title
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- アルミニウム合金/鋼の摩擦攪拌異材接合における材料流動のX線CT観察
- アルミニウム ゴウキン/ハガネ ノ マサツ カクハン イザイ セツゴウ ニ オケル ザイリョウ リュウドウ ノ Xセン CT カンサツ
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Abstract
Dissimilar friction stir welding of aluminum alloy and steel is attractive method to fabricate light structure for transportation vehicle. The welding conditions, such as heat input (tool rotation speed and welding speed) and welding tool shape influence on the weld material and the material flow during welding. Control of material flow is important for fabrication of sound weld without defect. Thus, the material flow in the weld was investigated by using X-ray CT technique after welding. Chip of steel from weld interface was used as marker material for 3D visualization of material flow in aluminum alloy. From the observation, the heat input and probe shape affected on the material flow and formation of weld defect. Screw probe effectively stirred aluminum, induced downward and circumferential material flow around the probe and fabricated defect free weld with high weld strength.
Journal
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- Journal of Japan Institute of Light Metals
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Journal of Japan Institute of Light Metals 64 (11), 604-610, 2014
The Japan Institute of Light Metals
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Details 詳細情報について
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- CRID
- 1390001206340206208
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- NII Article ID
- 130004775052
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- NII Book ID
- AN00069773
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- ISSN
- 18808018
- 04515994
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- NDL BIB ID
- 025917097
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed