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Development of Die-Cast Parts for Welded Structure Manufactured by the Transition Flow Filling
Technical Paper
1999-01-3297
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In general, welding of high-pressure die casting (DC) parts has been difficult due to gases trapped in the castings. This is a result of the high-speed turbulent flow condition of the DC process. These gases are liberated during welding and produce porosity in the weld joint. The Author had found the range where an enough welding quality was obtained without great drop in castability to the middle of the laminar flow and turbulent flow. This range has been defined as the transition zone. Moreover high strength Al-Mg-Ni alloy was developed by non-heat-treatment. The Transition Flow Filling Method(TFFM) has been developed, that can not only reduce the amount of trapped gases but also is applicable to standard high pressure die casting equipment. With this method, high quality DC parts can be produced that are weldable, strong and have high toughness.
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Authors
Citation
Nakagawa, M., Koya, E., Yoshino, S., Fujimoto, G. et al., "Development of Die-Cast Parts for Welded Structure Manufactured by the Transition Flow Filling," SAE Technical Paper 1999-01-3297, 1999, https://doi.org/10.4271/1999-01-3297.Also In
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