scholarly journals 4032 aluminum alloy billet fabricated by continuous casting process with heat insulating and rapid cooling mold

2008 ◽  
Vol 58 (12) ◽  
pp. 650-655 ◽  
Author(s):  
Hidetoshi Takagi ◽  
Yasuhiro Uetani ◽  
Masayoshi Dohi ◽  
Toru Watanabe ◽  
Tomokazu Yamashita ◽  
...  
Keyword(s):  
Aluminum Alloy ◽  
Continuous Casting ◽  
Casting Process ◽  
Continuous Casting Process ◽  
Rapid Cooling

scholarly journals Microstructure as an essential aspect of EN AW 7075 aluminum alloy quality influenced by electromagnetic field during continuous casting process

2021 ◽  
Vol 75 (1) ◽  
pp. 31-37
Author(s):  
Aleksandra Pataric ◽  
Marija Mihailovic ◽  
Branislav Markovic ◽  
Miroslav Sokic ◽  
Andreja Radovanovic ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Electrical Conductivity ◽  
Electromagnetic Field ◽  
Aluminum Alloy ◽  
Continuous Casting ◽  
Cast Alloy ◽  
Casting Process ◽  
Cast Aluminum Alloy ◽  
Cast Aluminum ◽  
Continuous Casting Process

Microstructure assessment is crucial for the design and production of high-quality alloys such as cast aluminum alloy ingots. Along with the effect of a more homogeneous microstructure to result in much better mechanical properties, better as-cast alloy quality indicates a higher efficiency of the aluminum alloys production process. During the aluminum alloy solidification process many microstructural defects can occur, which deteriorate the mechanical properties and hence decrease the usability of such an ingot. Application of the electromagnetic field during the vertical continuous casting process significantly reduces occurrence of these defects. In the present study, EN AW 7075 alloy samples were cast with and without application of an electromagnetic field and examined regarding the microstructure, electrical conductivity, and changes in the phase composition. The obtained results clearly show that it is possible to decrease or avoid casting defects by the electromagnetic field application as verified by the microstructure characterization and quantification, electrical conductivity tests and differential thermal analysis (DTA).

The Multi Physical Fields Modeling for 7B50 Aluminum Alloy Semi-Continuous Casting Process

2008 ◽  
Vol 575-578 ◽  
pp. 1422-1432
Author(s):  
Shi Cheng Hu ◽  
Wei Ce Ma ◽  
Xiao Qian Li ◽  
Jue Zhong
Keyword(s):  
Aluminum Alloy ◽  
Continuous Casting ◽  
Solid Phase ◽  
Thermal Contact ◽  
Convective Heat Transfer Coefficient ◽  
Three Dimensional ◽  
Solidification Process ◽  
Casting Process ◽  
Thermal Contact Conductance ◽  
Continuous Casting Process

In order to understand the solidification behavior in the semi-continuous casting process of 7B50 aluminum alloy, a thermo-mechanical model for the analysis of 7B50 aluminum alloy solidification process is presented, this model considering liquid-solid phase-change effects for the solidification alloy. The thermal contact conductance between the mould wall and the ingot, the convective heat transfer coefficient are taken into account in the model. The distribution of temperature and stress in the process of semi-continuous casting of 7B50aluminum alloy are analyzed in three-dimensional finite element methods based on the above models. The variation of casting speed to influence the temperature and stress of the ingot in the process of semi-continuous casting is studied.

Electromagnetic Continuous Casting Process for Near Net Shape Aluminum Alloy Billet

2010 ◽  
Vol 654-656 ◽  
pp. 1400-1403
Author(s):  
Jong Ho Kim ◽  
Myoung Gyun Kim ◽  
Joon Pyo Park ◽  
Gyu Chang Lee ◽  
Ju Bum Kim
Keyword(s):  
Electromagnetic Field ◽  
Aluminum Alloy ◽  
Continuous Casting ◽  
Casting Process ◽  
Continuous Casting Process ◽  
Electromagnetic Casting ◽  
New Process ◽  
Near Net Shape ◽  
The Cost ◽  
Electromagnetic Continuous Casting

A new method and apparatus for the fabrication of high-quality, near net shaped aluminum alloy billets is developed by the combination of continuous casting and electromagnetic casting/stirring technique. Traditional machine for continuous casting process involves round, square and rectangular billets; therefore it requires additional multistep forging process to fabricate final products of complicated shape. A new process for the fabrication of near net shaped aluminum billets offers some advantages: the process of extrusion and forging is simplified and the cost of plastic working can be greatly reduced. In order to reduce the peculiar problems such as surface crack and internal defect due to inhomogeneous heat transfer of solidified billets, electromagnetic casting and stirring technique were adopted. The effect of electromagnetic field was compared by observing the microstructure of billets. Grain refinement of aluminum billet was clearly observed by applying electromagnetic field to continuous casting process.

Study on the Composite Interface of 4045/3004/4045 Aluminum Alloy Ingot

2011 ◽  
Vol 396-398 ◽  
pp. 213-216
Author(s):  
Ke Qin ◽  
Hui Xue Jiang ◽  
Jian Zhong Cui
Keyword(s):  
Mechanical Properties ◽  
Aluminum Alloy ◽  
Continuous Casting ◽  
Bonding Strength ◽  
Casting Process ◽  
Continuous Casting Process ◽  
Casting Technology ◽  
Metallurgical Bonding ◽  
Composite Interface ◽  
Thickness Of Diffusion Layer

In this research, 4045/3004/4045 composite ingots were obtained by a semi-continuous casting process. The macrostructure, microstructure, elements distribution, mechanical properties of 4045/3004/4045 triple layers composite were studied. The results show that the composite interface is planar and clean with little evidence of porosity can be achieved by an optimum semi-continuous casting technology. The thickness of diffusion layer near composite interface can be controlled less than 30 μm. The bonding strength can reach to 100MPa which belongs to a kind of metallurgical bonding.

The Air Reoxidation and the Formation of Large Inclusions in Continuous Casting Process

1973 ◽  
Vol 59 (1) ◽  
pp. 72-84 ◽  
Author(s):  
Kichinosuke MATSUNAGA ◽  
Chikakazu NAMIKI ◽  
Taiji ARAKI
Keyword(s):  
Continuous Casting ◽  
Casting Process ◽  
Continuous Casting Process
Sign in / Sign up

Export Citation Format

Share Document