Droplet-based Freeform Fabrication of Aluminum Objects through Internet (特集 アルミニウム粉末合金とその応用事例)
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概要
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Three-dimensional aluminum objects were fabricated by depositing molten Al droplets layer by layer. The effects of aluminum droplet temperature, droplet size, droplet deposition rate and the initial velocity of droplets on the micro joining of aluminum beads were investigated. The relative density of fabricated parts increased with an increase in the initial velocity of Al droplets. The relative density reached 92% when the velocity increased to 8.1m/s. Compared their CAD models, the length deformation of fabricated objects was 3-8%, and the diagonal deformation was -3%. Microstructure of the above samples was observed.
- 社団法人 粉体粉末冶金協会の論文
- 2002-11-15
著者
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MIYAMOTO Yoshinari
Joining and Welding Research Institute, Osaka University
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Miyamoto Yoshinari
Joining And Welding Research Institute Osaka University
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Cao Wenbin
Joining And Welding Research Institute Osaka University
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