Degassing of molten aluminum A356 alloy using ultrasonic vibration

2004 ◽  
Vol 58 (29) ◽  
pp. 3669-3673 ◽  
Author(s):  
Hanbing Xu ◽  
Xiaogang Jian ◽  
Thomas T. Meek ◽  
Qingyou Han
Keyword(s):  
Ultrasonic Vibration ◽  
Molten Aluminum ◽  
A356 Alloy ◽  
Aluminum A356 Alloy

scholarly journals Finite Element Analysis of Damping Properties of High Strength Aluminum A356 Alloy Composite

2019 ◽  
Vol 8 (12S2) ◽  
pp. 298-300
Keyword(s):  
Silicon Content ◽  
A356 Alloy ◽  
High Strength ◽  
Mode Shapes ◽  
Damping Properties ◽  
High Quality ◽  
Element Analysis ◽  
Present Evaluation ◽  
Aluminum A356 Alloy ◽  
Numerical Examination

Aluminum composites are in reality notably used as a piece of various programs due to their tremendous load to quality homes. Many studies works had been finished to ponder and improve the mechanical houses of aluminum mixes. The formation of alloying segments anticipate a fundamental component in choosing the properties of a mix. The eventual results of numerical systems have been recognized via and massive as they eagerly facilitate with the check comes to fruition. In the present evaluation a numerical examination contraption i.E., restrained section examination (FEA) is used. The paintings presented in this paper is away for the examination of effect of vibration traits of aluminum blends of various sport plans. The displaying and evaluation is finished the usage of ANSYS programming. A secluded assessment is carried out to recognize the vibration direct i.E., trademark repeat and mode shapes, of the cloth considered. The mode shapes and fashionable Recurrence receive a essential part within the framework Of dynamic machines. The consonant evaluation has been made to choose repeat traits. The examination software scrutinizes the information from the records archive shapes the information and makes the yield document containing the nodal migrations and nodal stretch estimations of various nerves. From the examination it's miles assumed that as the copper and silicon content material within the amalgams grows winding decreases then again. ANSYS comes about insist the smallest Modulus twisting and a definitive tractable strengthincaseofthe380 mixes of 380 additions with the extension in copper and silicon content. Subsequently Al 380 amalgams show high-quality fine with least vibration.

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.

Effect of power ultrasound on solidification of aluminum A356 alloy

2005 ◽  
Vol 59 (2-3) ◽  
pp. 190-193 ◽  
Author(s):  
X. Jian ◽  
H. Xu ◽  
T.T. Meek ◽  
Q. Han
Keyword(s):  
A356 Alloy ◽  
Power Ultrasound ◽  
Aluminum A356 Alloy

Ultrasonic Degassing of Aluminum Alloys

2014 ◽  
Vol 783-786 ◽  
pp. 155-160 ◽  
Author(s):  
Qin You Han
Keyword(s):  
Trace Elements ◽  
Aluminum Alloys ◽  
Ultrasonic Vibration ◽  
Molten Aluminum ◽  
Power Ultrasound ◽  
Vacuum Degassing ◽  
The Third ◽  
Dross Formation ◽  
Ultrasound Assisted ◽  
Nitrogen Bubbles

This article discusses research on using power ultrasound for degassing of molten aluminum alloys. At least three types of technique have been developed for ultrasonic degassing. The type deals with degassing using power ultrasound alone. Degassing in a small melt can be achieved within a few minutes of ultrasonic vibration. The second type is ultrasound assisted vacuum degassing. A combination of vacuum and power ultrasound makes degassing much complete and fast. The third type is ultrasound assisted lance degassing. Ultrasonic vibration is used to break up the large argon or nitrogen bubbles into much smaller ones, resulting in an increased efficiency of degassing of aluminum melt. The benefits of ultrasonic degassing include: no moving/rotation part in the degassing system; less use of argon and no use of chlorine; and less amount of dross formation during degassing. Furthermore, trace elements such as Na and Li can be removed using ultrasonic degassing. Keywords: Aluminum alloys, degassing, porosity, and power ultrasound

Application of Ultrasonic Vibration to Molten Aluminum Infiltration

1995 ◽  
Vol 104-107 ◽  
pp. 215-224 ◽  
Author(s):  
Yoshiki Tsunekawa ◽  
Hachiro Nakanishi ◽  
Masahiro Okumiya ◽  
Naotake Mohri
Keyword(s):  
Ultrasonic Vibration ◽  
Molten Aluminum
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