Low Pressure Infiltration of Molten Aluminum Alloy to Metal Fiber Preform

2007 ◽  
pp. 769-772
Author(s):  
Gen Sasaki ◽  
Yong Bum Choi ◽  
Kazuhiro Matsugi ◽  
Naoki Sorita ◽  
Shunsaku Kondoh ◽  
...  
Keyword(s):  
Aluminum Alloy ◽  
Molten Aluminum ◽  
Low Pressure ◽  
Metal Fiber ◽  
Fiber Preform ◽  
Pressure Infiltration ◽  
Molten Aluminum Alloy

Low Pressure Infiltration of Molten Aluminum Alloy to Metal Fiber Preform

2007 ◽  
Vol 539-543 ◽  
pp. 769-772
Author(s):  
Gen Sasaki ◽  
Yong Bum Choi ◽  
Kazuhiro Matsugi ◽  
Naoki Sorita ◽  
Shunsaku Kondoh ◽  
...  
Keyword(s):  
Aluminum Alloy ◽  
Molten Aluminum ◽  
Volume Fraction ◽  
Casting Machine ◽  
High Strength ◽  
Low Pressure ◽  
Molten Alloy ◽  
Matrix Composites ◽  
Pressure Infiltration ◽  
Molten Aluminum Alloy

In order to fabricate the metal matrix composites by low-pressure infiltration by gravity casting machine, the preform made from FeCrSi fiber with 40μm and matrix of A336.0 aluminum alloy was used. The volume fraction of fiber in preform was about 20%. The temperatures of die, preform and molten alloy were 200 oC, 400 oC and 750 oC, respectively. By controlling the infiltration of molten aluminum alloy to one direction by using barrier plate, the quantity of pores caused by curling of air degrades dramatically. Molten aluminum alloy was able to infiltrate at low pressure of 0.2MPa. As increasing the pressure, porosity in composites decreased. The composite with no pores was obtained by barrier plate and 0.8 MPa of molten alloy pressure. This composite had high strength at high temperature of 200-400oC.

scholarly journals Measurement in Permeability Coefficient of Molten Aluminum Alloy in a Preform and Simulation of Infiltration under Low Pressure

2006 ◽  
Vol 70 (11) ◽  
pp. 905-911 ◽  
Author(s):  
Kazuhiro Matsugi ◽  
Yong Bum Choi ◽  
Kazushi Arita ◽  
Takashi Yamanaka ◽  
Gen Sasaki ◽  
...  
Keyword(s):  
Aluminum Alloy ◽  
Permeability Coefficient ◽  
Molten Aluminum ◽  
Low Pressure ◽  
Molten Aluminum Alloy

Resistance of steels to molten aluminum alloy

1986 ◽  
Vol 28 (2) ◽  
pp. 136-141
Author(s):  
V. Michev ◽  
B. Sokolyanskii ◽  
Ts. Kamenova
Keyword(s):  
Aluminum Alloy ◽  
Molten Aluminum ◽  
Molten Aluminum Alloy

Fabrication of the Aluminum Matrix Composite by Ultrasonic Infiltration Technique

2005 ◽  
Vol 475-479 ◽  
pp. 921-924 ◽  
Author(s):  
Gen Sasaki ◽  
Junichi Adachi ◽  
Yong Bum Choi ◽  
Jin Pan ◽  
Toshio Fujii ◽  
...  
Keyword(s):  
Aluminum Alloy ◽  
Ultrasonic Vibration ◽  
Molten Aluminum ◽  
Polyester Resin ◽  
Glass Plate ◽  
Aluminum Matrix ◽  
Casting Process ◽  
Aluminum Borate ◽  
Glass Capillary ◽  
Molten Aluminum Alloy

In order to infiltrate the molten aluminum alloy to the reinforcement preform by low pressure in casting process and acquire the high performance composites with high density, the effect of the ultrasonic vibration on the infiltration was investigated by model experiments using clear solution and glass or aluminum borate preform, which is correspond to a molten matrix and reinforcement, respectively. Ultrasonic vibration improves the wettability of liquid polyester resin on glass plate, dramatically. The final infiltration height and infiltration speed of liquid polyester resin in glass capillary were improved by the ultrasonic vibration. Furthermore, the infiltration speed of water to aluminum borate preform accelerated by ultrasonic vibration. This effect was more remarkable, when the infiltration height is lower or infiltration time is shorter. In actual, the molten aluminum alloy infiltrate to SiC preform using ultrasonic vibration easily and acquire the high dense composites without pores.

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