Optimization of Process Parameters of Al-Si Alloy by Centrifugal Casting Technique Using Taguchi Design of Experiments

Shailesh, P.; Sundarrajan, S.; Komaraiah, M.

doi:10.1016/j.mspro.2014.07.098

Cited by 26 publications

(10 citation statements)

References 3 publications

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“…The effect of pouring temperature on grain refinement and the consequential mechanical properties, have been assessed by Shailesh et al [65], while casting 4600 Al alloy in a rotating mould. The alloy finds its use in the defence, aerospace and the automobile sector.…”

Section: Mould Rotational Speed and Segregation/distribution Of Un-dimentioning

confidence: 99%

Effect of processing factors on the characteristics of centrifugal casting

2020

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Centrifugal castings are produced by pouring liquid metal into rotating moulds. It solidifies under the influence of centrifugal forces, directed from the center to the periphery of the mould on account of mould rotation, and exhibits directionality in solidification which helps to eliminate voids and discontinuities in the resultant casting, usually encountered in gravity castings. Also, a compositional gradient is sat up in the melt which can be monitored, to produce functionally graded materials (FGMs) of choice with multi-functionality. The pouring rate, pouring temperature, mould temperature, and mould material can be suitably selected and altered in isolation or in combination, to generate a desired thermal gradient in the melt which decides its cooling rate. The cooling rate of the melt has the greatest impact on the grain structure of the casting. On the other hand, the grain structure of the casting governs its mechanical performance and decides the suitability for any specific end-use. Thus, different processing factors influence the characteristics of centrifugal casting. In the present article, a sincere attempt is made to analyze the effect of these factors and to enumerate the role played by each one of these factors in deciding the centrifugal casting characteristics.

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Section: Mould Rotational Speed and Segregation/distribution Of Un-dimentioning

confidence: 99%

Effect of processing factors on the characteristics of centrifugal casting

2020

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“…This value is higher by (38.66 %), compared with the gravitational casting result, which is (116.22 MPa), while Chirita et al [30] have identified this value as 225 MPa and 178 MPa for vertical centrifugal and gravitational casting, respectively, which means achieving a benefit by 20.9 % when they worked on an aluminium alloy AS12UN [29], and when used Al-Si alloys containing 18% weight of Silicon achieving a benefit by 14.4 %. Figure (7b) Silicon and as178 MPa for the work done by Shailesh et al [31] used an Al-Si alloy (4600). Figures (8a and 8b) show the effects of centrifugal mold rotation speeds and G-factors values on the percentage elongation of the produced specimens.…”

Section: The Anova and Stress Analysismentioning

confidence: 99%

Optimization of Centrifugal Casting Parameters of AlSi Alloy by using the Response Surface Methodology

Ali

2019

IJE

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Centrifugal casting is one of the advanced casting branches widely used in the metallurgical industry in which the centrifugal force helps strengthen the workpiece material. The present work attempt to study the effect of the horizontal and vertical centrifugal casting parameters included the centrifugal mold rotation speeds and G-factors values on the quality of the product. The work has been completed with design and fabricated of a low cost horizontal and vertical centrifugal casting machine with the main accessories for producing a hypoeutectic aluminum silicone (AlSi) alloy (content 10 % Si) specimens. The experimental results were analyzed and improved by using the statistical computer program "Design Expert 11" and response surface methodology (RSM). The results showed that for vertical and horizontal casting processes, the finest surfaces quality was achieved when working at mold rotation speed from 520 to 690 and 950 to 1230 RPM, i.e., with an average value of the G-factor = 69 and 50, respectively. The proof stress values were increased with increasing the mold rotation speed up to (690 RPM) and (1230 RPM) or used the G-factor value of 87.99 and 60.96 gave an increase in proof stress by 6.7 and (20.62% for vertical and horizontal casting experiments compared with gravitational casting, respectively. The obtained tensile strengths values were improved by 38.6 and 45.41 %, compared with the gravitational casting, respectively; while the percentage elongations were reduced to 0.281and 0.291 %; which means decreased by 33.45 and 31.69 % for the vertical and horizontal centrifugal casting compared with the values obtained by gravitational casting experiments, respectively.All metals, alloys, nonmetals and virtually any material that can be liquidized and pourable can be cast by centrifugal casting processes for producing an isotropic and a dense product, including carbon and alloy steels, gray and ductile iron, stainless steels, copper, aluminum and magnesium alloys, nickel, cobalt and titanium based alloys and also nonmetals, including plastics, ceramics, glasses [1], by using a stainless steel, cast iron and graphite mold materials [2]. The process has become widely used for producing special castings tubes, pipes, rolls, cylinder liners and other axisymmetric parts [3][4][5]. The final quality of the products is depending upon the rate of solidification, the rotational speeds of the mold and the molten metal flow pattern [5].Centrifugal casting machines are categorized into three designs based on the operating of the mold Surface Methodology

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“…Eksperimen konfirmasi dilakukan dengan menggunakan level faktor yang dianggap akan memberikan perbaikan kualitas yang diinginkan, yaitu dengan menggunakan kombinasi level faktor terbaik yang dapat meningkatkan kualitas roasted bean (Shailesh, P. et al, 2014).…”

Section: Eksperimen Konfirmasiunclassified

Menentukan Kombinasi Optimal Parameter Coffee Roasting Untuk Mendapatkan Roasted Bean Dengan Tingkat Kematangan Medium Roast Menggunakan Metode Taguchi

Puspitasari

Arvianto

2015

JURNAL TEKNIK INDUSTRI

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Penelitian dilakukan dengan Metode Taguchi untuk menentukan kombinasi optimal dari parameter coffeeroasting. Parameter yang diteliti adalah lamanya waktu roasting sebagai faktor A dan volume biji total untuk sekali proses roasting sebagai faktor B.Eksperimen dilakukan dengan tiga level dan tiga nilai untuk masing-masing faktor. Dari hasil Eksperimen Taguchi didapatkan bahwa level faktor yang memberikan pengaruh yang signifikan terhadap roasted bean adalah faktor A pada level 2 dan faktor B pada level 1. Berdasarkan nilai rata-rata roastedbean dan nilai SNR yang dihasilkan, terlihat bahwa faktor A2 (75 menit) dan faktor B1 (2 kg) menghasilkan nilai rata-rata roasted bean sesuai dengan nilai yang dituju. Eksperimen Konfirmasi dilakukan dengan menggunakan parameter yang dianggap terbaik. Hasil Eksperimen Konfirmasi menunjukkan kombinasi fakor A2 dengan B1 merupakan kombinasi yang optimal untuk mendapatkan roasted bean kualitas premium.

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Optimization of Process Parameters of Al-Si Alloy by Centrifugal Casting Technique Using Taguchi Design of Experiments

Cited by 26 publications

References 3 publications

Effect of processing factors on the characteristics of centrifugal casting

Effect of processing factors on the characteristics of centrifugal casting

Optimization of Centrifugal Casting Parameters of AlSi Alloy by using the Response Surface Methodology

Menentukan Kombinasi Optimal Parameter Coffee Roasting Untuk Mendapatkan Roasted Bean Dengan Tingkat Kematangan Medium Roast Menggunakan Metode Taguchi

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