Relevant bibliographies by topics / American Foundrymen's Society

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Academic literature on the topic 'American Foundrymen's Society'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "American Foundrymen's Society"

1

Chacko, Anil, M. C. Shaji, and Brahma Raju Golla. "The Effect of Magnesium on the Modifying Efficiency of Strontium in A356 Alloy." Materials Science Forum 830-831 (September 2015): 34–37. http://dx.doi.org/10.4028/www.scientific.net/msf.830-831.34.

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This study was undertaken to investigate the effect of different concentrations of magnesium (0.2%, 0.3%, and 0.4%) on the modifying efficiency of Sr in aluminium alloy A356. Both sand casting and gravity die castings were taken for the same composition. Modifying efficiency was studied quantitatively by measuring the size and shape of Si eutectic particles by using ImageJ image analyser and giving a Modification Rating (MR), developed by American Foundrymen’s Society (AFS), for each microstructure ranging from 1 to 6, 1 being unmodified and 6 being completely modified very fine structures. Characterisation was done with optical microscope and SEM equipped with EDS and XRD. Mechanical testing involved hardness test in both as cast and standard T6 condition.
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2

Abdullah, A., Shamsuddin Sulaiman, B. T. Hang Tuah Baharudin, Mohd Khairol Anuar Ariffin, T. R. Vijayaram, and Mohd Sayuti. "Testing for Green Compression Strength and Permeability Properties on the Tailing Sand Samples Gathered from Ex Tin Mines in Perak State, Malaysia." Advanced Materials Research 445 (January 2012): 859–64. http://dx.doi.org/10.4028/www.scientific.net/amr.445.859.

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Permeability and green compression strength are among the important mechanical properties and considered much in the sand casting mould preparation. These molding sand properties play a vital role in determining the optimum moisture content for making green sand casting mould. Tailing sand is the residue mineral from tin extraction, which contains between 94% and 99.5% silica and in abundance in Kinta Valley of state of Perak, Malaysia. In this research work, samples of tailing sands were gathered from four identified ex tin mines located at the Perak State, Malaysia. They were investigated by the standards and testing procedures prescribed by the American Foundrymen Society (AFS). Sand specimens of size Ø50 mm×50 mm in height from various sandwater ratios bonded with 4% clay were compacted on applying three ramming blows of 6666 g each by using a Ridsdale-Dietert metric standard rammer. The specimens were tested for green compression strength using Ridsdale-Dietert universal sand strength machine and permeability number with Ridsdale-Dietert permeability meter. Before the tests were conducted, the moisture content was measured using moisture analyzer. Samples with moisture content ranging from 3 to 3.5% were found to have optimum working range with effective green compression strength and permeability.
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3

Abdullah, Azhar, R. Abdullah, S. K. E. Shariff, and N. Haliza. "Permeability Number for Various Grain Size of Tin Mine Tailing Sand for Greensand Casting Mould." Applied Mechanics and Materials 465-466 (December 2013): 1093–97. http://dx.doi.org/10.4028/www.scientific.net/amm.465-466.1093.

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Tin tailing sand is one of the residues from tin extraction. Tailing sand for sampling was taken from Batu Gajah, which was one of the active locations in tin mining in Malaysia. The silica content of tailing sand from Batu Gajah is between 95.9 to 98.9%. This research is to determine the effect of grain size by the increasing of water content on the permeability number. Grain size is a major determinant of mould and core permeability and surface finish of the casting. In this research involved the process of conducting the mechanical sieve grading to identify the grain size for this research. Sample was graded into 425 μm, 297 μm and 149 μm. Experiments were conducted according to American Foundrymen Society (AFS) standard of procedures. Cylindrical test pieces dimensioning of Ø50 mm×50 mm in height from various grain sand sizewater ratios bonded with 5wt% clay, were compacted by applying three ramming blows of 6666 g each using Ridsdale-Dietert metric standard rammer. The test pieces were tested for permeability number with Ridsdale-Dietert permeability meter. Grain sand size of 297 μm was discovered has appropriate permeability number with the water content of 4% which is within the requirement as moulding sand.
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4

Abdullah, A., Shamsuddin Sulaiman, B. T. Hang Tuah Baharudin, M. K. A. M. Arifin, and T. R. Vijayaram. "Effect of Moisture Content on the Permeability of Tailing Sand Samples Gathered from Ex Tin Mines in Perak State Malaysia." Applied Mechanics and Materials 66-68 (July 2011): 1384–89. http://dx.doi.org/10.4028/www.scientific.net/amm.66-68.1384.

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Tailing sand is one of the residue minerals obtained after tin extraction. It contains silica in between 94% and 99.5% and available in abundance at the Kinta Valley, Perak State, Malaysia. Permeability is one of the important molding sand properties and considered much in the sand casting mold preparation. This molding sand property plays a vital role in the sand casting process and helps to remove the gases during the casting processing. In this research work, samples of tailing sands were gathered from four identified ex tin mines located at the Perak State, Malaysia. They were investigated by the standard sand testing procedures prescribed by the American Foundrymen Society (AFS). Sand specimens of size Ø50 mm×50 mm in height from various sand–water ratios bonded with 4% and 8% clay were compacted on applying three ramming blows of 6666 g each by using a Ridsdale-Dietert metric standard rammer. The specimens were tested for permeability number with the aid of a Ridsdale-Dietert permeability meter. Before the tests were conducted, the moisture content was measured by using a moisture analyzer. The results were compared with the properties of the molding sand samples collected from RCS Manufacturing Sdn. Bhd., the company supplying sand to the Proton Casting unit car manufacturing company. The molding sand sample sample bonded with 8% clay was found to have maximum permeability with an optimum allowable moisture content range of 3.5-6.0% and for the sand mixture bonded with 4% clay at 3.0-3.5% moisture.
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5

Abdullah, Azhar, S. Sulaiman, B. T. H. T. Baharudin, M. K. A. Ariffin, and N. Haliza. "Mechanical Properties of Tin Tailing Sand-Clay Mixture from Batu Gajah, Perak, Malaysia for Making Greensand Casting Mould." Materials Science Forum 773-774 (November 2013): 211–17. http://dx.doi.org/10.4028/www.scientific.net/msf.773-774.211.

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Tailing sand from ex-tin mine in Batu Gajah containing between 95.9 to 98.9% silica. In this research involved the process of, conducting the mechanical sieve grading to identify the size spread, plotting the grain size distribution and calculating the average grain size. Further on with the effects of controlled additions of clay (bentonite) and water and determining the working range on the mechanical properties. The investigation involved comparing the mechanical properties of the tailing sand to the requirement for foundry sand applications listed by Foseco Ferrous Foundrymans Handbook (Foseco). Permeability and green compression strength are the important mechanical properties and considered much in the sand casting mould preparation. These mechanical properties play a vital role in determining the allowable clay and moisture content for working range of tailing sand for making green sand casting mould. Experiments for this investigation were conducted according to American Foundrymen Society (AFS) standard of procedures. Cylindrical test pieces dimensioning of Ø50 mm×50 mm in height from various sandwater ratios bonded with 3.8%wt clay and then 7.4%wt clay, were compacted by applying three ramming blows of 6666 g each using Ridsdale-Dietert metric standard rammer. The specimens were tested for green compression strength using Ridsdale-Dietert universal sand strength machine and permeability number with Ridsdale-Dietert permeability meter. Before the tests were conducted, the moisture content was measured using moisture analyser. Tailing sand with allowable moisture content ranging from 3 to 3.5% (bonded with 3.8%wt clay) and 5.5 to 6% (bonded with 7.4%wt clay) were found to have optimum working range with effective green compression strength and permeability.
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6

Purushotham, G., and Joel Hemanth. "Effect of Weight Percentage on Mechanical Properties of Fused Silica Particulate Reinforced Nickel Alloy (M 35-1) Composite, with Influence of Chills." Applied Mechanics and Materials 592-594 (July 2014): 245–49. http://dx.doi.org/10.4028/www.scientific.net/amm.592-594.245.

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History is often marked by the materials and technology that reflect human capability and understanding. Many a times scales begins with the stone age, which led to the bronze, iron, steel, aluminium and alloy ages as improvements in refining, smelting took place. Science made all these possible to move towards finding more advanced materials.Therefore in the present research work, an investigation has been carried out to fabricate and evaluate the microstructure, strength, micro hardness of chilled composites consisting of nickel matrix and fused SiO2particles as the reinforcement (size 40-150 μm) in the matrix. The reinforcement being added ranges from 3 to 9 wt. % in steps of 3%. The resulting composites cast in moulds containing metallic chill blocks (MS, SiC & Cu) were tested for their microstructure and mechanical properties. The main objective of the present research is to obtain fine grain Ni/SiO2chilled sound composite having very good mechanical properties. A detail of melting and composite preparation is described elsewhere by number of researchers. After melting the matrix material in an induction furnace at around 1600 °C in an inert atmosphere, coated fused SiO2particles preheated to 500 °C were introduced evenly into the molten metal alloy by means of special feeding attachments. The moulds for the plate type of castings 150*20*20 mm (American Foundrymen Society standard) were prepared using silica sand with 5% bentonite as binder and 5% moisture and finally they were dried in an air furnace at a temperature of 1580 °C, which was cooled from one end by a chill block set in the mould. After solidification the specimens of chill end were tested for various mechanical and microstructural studies. Keywords: Metal matrix composite, Mechanical properties, Nickel alloy, Fused silica, Chills.
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Books on the topic "American Foundrymen's Society"

1

Morris, Robert R. American Foundrymen's Society at 100: A century of service. Des Plaines, Ill: American Foundrymen's Society, 1996.

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2

Transactions: American Foundrymen's Society, Vol. 98. Amer Foundrymens Society, 1990.

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3

Transactions of the American Foundrymen's Society. Amer Foundry Society, 1990.

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4

Transactions: American Foundrymen's Society, 1988, Vol 96. Amer Foundry Society, 1989.

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5

Transactions: American Foundrymen's Society, 1989, Vol 97. Amer Foundry Society, 1990.

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6

Transactions of the American Foundrymen's Society (Afs Transactions). Amer Foundry Society, 1999.

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7

Transactions of the American Foundrymen's Society (Afs Transactions). Amer Foundry Society, 1996.

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8

Transactions of the American Foundrymen's Society, Vol 99, 1991. Amer Foundry Society, 1992.

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9

Transactions of the American Foundrymen's Society Vol.106 1998. American Foundry Society, 1998.

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10

Transactions of the American Foundrymen's Society: Proceedings of the Ninety-Sixth Annual Meeting, May 3-7, 1992 (Afs Transactions). Amer Foundry Society, 1993.

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