Numerical Simulation of Semi-Solid Magnesium Alloy in Continuous Roll-Casting Process

Xie, Shui Sheng; Yang, Hao Qiang; Li, Lei; Huang, Guo Jie

doi:10.4028/3-908451-26-4.583

Cited by 4 publications

(4 citation statements)

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“…As starting alloy, it is a regular and completely liquid alloy which is cooled to arrive at the chosen solid fraction and then casted. For the 'thixo', two-step process, the starting alloy is prepared externally and then the billet is cut to length, re-heated to arrive at the proper solid fraction and then casted [67][68][69][70][71].…”

Section: Innovative Manufacturing Processes For Light Metal Alloys -Smentioning

confidence: 99%

Light Alloys — From Traditional to Innovative Technologies

Peter¹,

Rosso²

2015

New Trends in Alloy Development, Characterization and Application

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Selection of materials with the expected, application-dependent characteristics constitutes a very important point in any industrial application. In the automotive and aeronautical industries, the current tendency is to use light metals and their alloys for production of various components. For example, some of the problems related to fuel consumption and weight reduction could be partially solved by using such alloys as an alternative to traditional iron-based alloy components. Due to their very attractive properties, the most commonly employed light materials for producing high-stressed components are aluminium, magnesium and their alloys. Al-based alloys have a high strength/weight ratio, good formability, excellent combination of castability and mechanical properties which together with an excellent corrosion resistance make them very appropriate for a large variety of applications. There are two important families of aluminium alloys: (i) wrought alloys, firstly cast as ingots and/or billets and then mechanically hot-and/or cold-worked into the preferred shape, and (ii) cast alloys, directly cast into their final form through different traditional or innovative processes. At the same time, there is continuing interest in Mg alloys for engineering proposals because of their lowest density directly connected to a weight saving of about 40% compared to steel and cast iron and 20% compared to aluminium for the same component performance. Their high specific strength, good castability and machinability, high thermal conductivity, high dimensional stability, good electromagnetic shielding property, high damping characteristics and full recyclability place them in a particular position for production of different types of components. High-pressure die casting is the most widely used technique and represents about 50% of all light alloy casting production. The tendency to use low-pressure die casting is increasing

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Section: Innovative Manufacturing Processes For Light Metal Alloys -Smentioning

confidence: 99%

Light Alloys — From Traditional to Innovative Technologies

Peter¹,

Rosso²

2015

New Trends in Alloy Development, Characterization and Application

View full text Add to dashboard Cite

show abstract

“…The design of gating system plays an important part in the semi-solid die design. Especially, the size of ingate has an important effect on the quality of the casting [4,5]. The size of ingate in semi-solid die casting is larger than that of in liquid die casting.…”

Section: Semi-solid Die Casting Mould Designmentioning

confidence: 99%

Numerical Simulation of Die Casting for Semi-Solid Aluminium Alloy and its Mould Research

Huang

et al. 2011

AMR

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With consideration of the viscosity of semi-solid aluminum alloy slurry and the mold filling characteristics in die casting, the die-casting mould for semi-solid aluminum alloy has been designed and manufactured on the basis of the standard samples. The process of mold filling and solidification of semi-solid aluminum alloy in die casting was simulated by using ProCAST software. With combination of simulation results with die casting experimental data, the results indicate that the influence of heating system of the mould and cross section of ingate for the mould on flowing of semi-solid aluminum alloy in mould cavity is important in this work.

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“…The process starts with a regular and completely liquid alloy which is cooled to arrive at the chosen solid fraction and then casted. While for as concern the 'Thixo', two-step process, the starting alloy is prepared externally and then the billet is cut to length, re-heated to arrive at the proper solid fraction and then casted [2][3][4][5][6]. Semi-solid processed components are heat-treatable and weldable and show superior mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

The Role of Liquid Phase in SSM Processes

Peter

Castella

Rosso

2017

MSF

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The present chapter reports a short history and a state-of-the art of semi-solid techniques, with particular emphasis to the role of the liquid-solid fraction, being the rheological behaviour of the semi-solid slurry crucial and fundamental. The general description, with the related theoretical fundaments, is based on the data available in the recent and the past literature and finally it is integrated with some experimental results of the research carried out by the authors.

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Numerical Simulation of Semi-Solid Magnesium Alloy in Continuous Roll-Casting Process

Cited by 4 publications

References 0 publications

Light Alloys — From Traditional to Innovative Technologies

Light Alloys — From Traditional to Innovative Technologies

Numerical Simulation of Die Casting for Semi-Solid Aluminium Alloy and its Mould Research

The Role of Liquid Phase in SSM Processes

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