Relevant bibliographies by topics / Rheocasting Mould

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Rheocasting Mould'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 September 2023

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Journal articles on the topic "Rheocasting Mould"

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Kumar, P., H. Lakshmi, and P. Dutta. "Solidification of A356 Alloy in a Linear Electromagnetic Stirrer." Solid State Phenomena 141-143 (July 2008): 563–68. http://dx.doi.org/10.4028/www.scientific.net/ssp.141-143.563.

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In the present work, a 2-pole linear electromagnetic stirrer (LEMS) is developed to study the effect of stirring during solidification of aluminium alloys. The stirrer design entails the placement of a stack of coils around the mold to generate a primary motion that recirculates along the longitudinal direction. The stirrer is first tested and validated by measuring the electromagnetic forces on solid aluminum cylinders of different diameters as a function of excitation current. The alloy to be stirred and solidified is placed in a cylindrical graphite mould located in the annulus of the LEMS.
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Breton, Francis, and Jerome Fourmann. "Performance and Fundamental Differences between Rheocast and High-Pressure Vacuum Die Cast Al-Si-Mg Alloys." Solid State Phenomena 348 (August 28, 2023): 75–82. http://dx.doi.org/10.4028/p-p5sk4z.

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The Al-Si-Mg family is the preferred group of casting alloys due to their excellent castability, good mechanical properties and corrosion resistance. The ENAC-AlSi7Mg0.3 (A356) alloy has been used for decades to produce structural parts such as automotive wheels or suspension parts. However, this alloy cannot be used for high pressure die casting (HPDC) due to die soldering issues. Casting parameters in rheocasting differs greatly from those in HPDC. The lower injection temperature and lower intensification pressure reduce the reactivity between the mould and the aluminium. This lower interact
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Bai, Yue Long, Jun Xu, Wei Min Mao, Zhi Feng Zhang, and Hong Xu. "Numerical Simulation of Mould Filling in Rheocasting Process of Semisolid A356 Aluminum Alloy." Solid State Phenomena 141-143 (July 2008): 599–604. http://dx.doi.org/10.4028/www.scientific.net/ssp.141-143.599.

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The apparent viscosity model of the semi-solid A356 aluminum alloy, based on fitting of experimental data obtained by the Couette type viscometer, was developed in the paper. The commercial package CastSoft6.0 coupled with the model was used to simulate the mould filling of the semi-solid A356 aluminum alloy in the key-shaped component with iron cores. The simulation results showed that the position of the iron cores has an important effect on the filling of the semisolid slurry, and it is easy to obtain the completely filled key-shaped component when the iron cores were near to the inlet. The
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Masuku, E. P., Gonasagren Govender, L. Ivanchev, and Heinrich Möller. "Rheocasting of Al-Cu Alloy A201 with Different Silver Contents." Solid State Phenomena 141-143 (July 2008): 151–56. http://dx.doi.org/10.4028/www.scientific.net/ssp.141-143.151.

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Rheocasting of alloys A206 and A201 was investigated in this study. Conical bars with different silver contents were produced using CSIR rheoprocess technology, together with high pressure die casting. The results showed that addition of Ag to alloy A206 increased the mechanical properties of the alloy. However, the addition of Ag also resulted in Cu-rich phases to precipitate at the grain boundaries of the as-cast material. The solution treatment used in this study was unable to dissolve all of this phase, especially in the 1.12%Ag-containing alloy. This resulted in slightly decreased mechani
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Sandhya, S., and G. Phanikumar. "Investigation of Fusion Weldments of Semi-Solid Aluminium A356 Alloy: Pool Geometry and Microstructure." Materials Science Forum 765 (July 2013): 751–55. http://dx.doi.org/10.4028/www.scientific.net/msf.765.751.

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A fusion welding technique to join a semi-solid processed A356 cast plate is explored using Gas Tungsten Arc Welding (GTAW). Semi-solid metal (SSM) billets of non-dendritic microstructure produced by rheocasting in a mould placed inside a linear electromagnetic stirrer were used for this study. GTAW experiments were conducted to simulate different thermal gradients near the fusion zone. The geometries of the weld pool as well as the temperature gradient in the fusion boundary were measured to understand the microstructure evolution. Simulation of the welding process was performed to aid in the
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Kim, Shae K., and Young Chul Lee. "Development of In-Mold Rheocasting Process." Solid State Phenomena 141-143 (July 2008): 181–84. http://dx.doi.org/10.4028/www.scientific.net/ssp.141-143.181.

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Novel In-mold rheocasting, which can satisfy all the development direction of rheocasting, has been successfully developed. In-mold rheocasting requires no additional processing equipment except diecasting machine, no grain refinement procedure and no additional cycling time to produce slurry-on-demand. Process concept of In-mold rheocasting is simply based on the paradigm shift from HOW to WHERE for producing slurry-on-demand and the shift from obtaining PERFECT solid globules to casting OPTIMUM products. Optimum external field can be generated in mold, that is, in die cavity exactly around b
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7

Umudee, Nonanitta, Jessada Wannasin, Somjai Janudom, Rungsinee Canyook, Thawatchai Plookphol, and Sirikul Wisutmethangoon. "Study of Surface Segregation Defect of 7075 Aluminum Alloy in Semi-Solid Squeeze Casting." Applied Mechanics and Materials 752-753 (April 2015): 3–6. http://dx.doi.org/10.4028/www.scientific.net/amm.752-753.3.

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The objective of this present research was to study the surface liquid segregation (SLS) of 7075 aluminum alloy formed by semi-solid squeeze casting together with the gas induce semi-solid technique (GISS). The rheocasting times of 3, 5, 10, and 20 seconds, were used in GISS processes. The cross sectional areas of specimens near the mold were used to measure the surface segregation. The results revealed that longer rheocasting time gave higher amount of solid fraction in the semi-solid slurry. In addition, it was found that when solid fraction increased, the surface segregation increased.
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Hernández, Alfredo, J. Federico Chávez, and Raquel E. Hernández. "Simplified Rheocasting of Al-Si Alloys Sheared by Mechanical Stirring." Key Engineering Materials 651-653 (July 2015): 1545–50. http://dx.doi.org/10.4028/www.scientific.net/kem.651-653.1545.

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A rheocasting prototype for the semi-solid processing of Al-Si alloys was designed and assembled at laboratory scale, this is the first attempt for the development of S2P equipment in Mexico. This work describes the simplified method of mechanical stirring and the calculation of the theoretical parameters for the operation of the experimental device in order to provide shear rate into the slurry by a stainless steel impeller inside a crucible made of hot work steel. Moreover, a vertical pressure die-rheocasting system it is applied with the semi-solid alloy flowing counter the position of the
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9

Putra, Muhammad Rezki F., Reza Taufiqi Ivana, Danang Yugo Pratomo, Adhiela Noer Syaief, and Rusuminto Syahyuniar. "PENINGKATAN MAMPU ALIR (FLUIDITY) DAN PENURUNAN NILAI SUSUTAN PADUAN Al-Cu DENGAN SEMI-SOLID RHEOCASTING." Jurnal Teknik Mesin dan Pembelajaran 5, no. 2 (2022): 81. http://dx.doi.org/10.17977/um054v5i2p81-88.

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AbstrakIndustri otomotif sebagian besar pada penggunaan part dan komponen lainnya masih menggunakan paduan aluminium dengan proses pengecoran. Salah satu paduan dengan perlakuan panas yang baik dan karakteristik perbandingan kekuatan dengan berat jenis yang baik yaitu Al-Cu, namun dengan karakteristik demikian paduan ini juga memiliki kekurangan mampu alir dan susutan yang besar. Dalam percobaan ini melakukan proses pengecoran semi-solid rheocast denan variasi lama pengadukan menggunakan paduan al-cu sebagai bahan untuk dilakukan peningkatan mampu alir dan penurunan nilai susutan dari paduan.
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Hartlieb, Martin, Jean Claude Tawil, Stephane Bergeron, and Per Jansson. "Producing Structural High Integrity Castings with Minimum Carbon Footprint with the Comptech-Rheocasting Process." Solid State Phenomena 348 (August 28, 2023): 83–88. http://dx.doi.org/10.4028/p-lifpw2.

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Structural high vacuum die casting has been growing significantly over the past decades. It is typically done with special (primary type) alloys, special melt treatment practices, high vacuum, a carefully engineered die casting process applying many best practices in our industry. Structural die castings are growing in size and complexity and die casting machines are getting bigger and bigger - and those castings are becoming a significant challenge with current technologies. It was now found that Rheocasting - a process of preparing a semi-solid slurry (with 30-45% solid fraction) that is inj
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Dissertations / Theses on the topic "Rheocasting Mould"

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Marcos, Rebal, and Endrias Teklu. "ANALYSIS OF CASTING PROCESS FORCOMPLEX ELECTRONIC UNIT." Thesis, Jönköping University, JTH, Mechanical Engineering, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-11545.

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<p>Most aircraft component are currently being manufactured by machining, forging, welding and also assembling such parts. However, the possibilities of cutting cost from a single component has brought about a growing trend towards looking into casting as a possible option for manufacturing aircraft parts.</p><p>This thesis was done at the request of Saab Avitronics. It evaluates the possibilities of one aircraft part, a chassis for an electronic unit that was first designed to be machined from a blank, to be cast. The thesis goes through the multifaceted tasks of product development. Casting
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Pramod, kumar *. "Experimental Investigation Of Rheocasting Using Linear Electromagnetic Stirring." Thesis, 2008. http://hdl.handle.net/2005/1059.

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In several applications of casting, dendritic microstructure is not desirable as it results in poor mechanical properties. Enhancing fluid flow in the mushy zone by stirring is one of the means to suppress this dendritic growth. Strong fluid flow detaches the dendrites formed at the solid-liquid interface and carries them into the mould to form slurry. When this slurry solidifies, the microstructure is characterized by globular, non-dendritic primary phase particles, separated and enclosed by a near-eutectic lower-melting secondary phase. This property represents a great potential for further
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Book chapters on the topic "Rheocasting Mould"

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Bai, Yue Long, Jun Xu, Wei Min Mao, Zhi Feng Zhang, and Hong Xu. "Numerical Simulation of Mould Filling in Rheocasting Process of Semisolid A356 Aluminum Alloy." In Solid State Phenomena. Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/3-908451-59-0.599.

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2

Kim, Shae K., and Young Chul Lee. "Development of In-Mold Rheocasting Process." In Solid State Phenomena. Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/3-908451-59-0.181.

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Conference papers on the topic "Rheocasting Mould"

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Kumar, Pramod, Hamsa Lakshmi, and Pradip Dutta. "Determination of Solid Fraction Evolution During Solidification of Aluminum Alloy in Presence of Linear Electromagnetic Stirring." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-12751.

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In many industrial casting processes, knowledge of the solid fraction evolution during the solidification process is a key factor in determining the process parameters such as cooling rate, stirring intensity and in estimating the total solidification time. In the present work, a new method of estimating solid fraction is presented, which is based on calorimetric principles. In this method, the cooling curve data at each point in the melt, along with the thermal boundary conditions, are used to perform energy balance in the mould, from which solid fraction generation during any time interval c
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