2021
DOI: 10.1016/j.jmapro.2021.06.077
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Utilization of fly ash as an alternative to silica sand for green sand mould casting process

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Cited by 12 publications
(7 citation statements)
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“…In addition, it is also optimal to cast sand on ice pattern at sub-freezing temperature, as higher temperature may result in the melting of ice pattern during casting process. Therefore, it is suggested that the sand mould is mixed at −5°C temperature for less than 300 s. As a minimum compressive strength of 0.049 MPa is usually required for silica sand–based mould for casting products with density of up to 7,800 kg/m 3 (Sadarang and Nayak, 2021), the suggested mixing temperature and mixing time could ensure a sufficient sand mould strength (above 0.6 MPa) to carry the weight of concrete components in most cases (with density of 2,500 kg/m 3 ).…”
Section: Methodsmentioning
confidence: 99%
“…In addition, it is also optimal to cast sand on ice pattern at sub-freezing temperature, as higher temperature may result in the melting of ice pattern during casting process. Therefore, it is suggested that the sand mould is mixed at −5°C temperature for less than 300 s. As a minimum compressive strength of 0.049 MPa is usually required for silica sand–based mould for casting products with density of up to 7,800 kg/m 3 (Sadarang and Nayak, 2021), the suggested mixing temperature and mixing time could ensure a sufficient sand mould strength (above 0.6 MPa) to carry the weight of concrete components in most cases (with density of 2,500 kg/m 3 ).…”
Section: Methodsmentioning
confidence: 99%
“…Penambahan fly ash hasil limbah industri pembangkit listrik pada cetakan green sand mempengaruhi karakterstik cetakan green sand. Penambahan fly ash sampai 15% dapat dilakukan untuk mendapatkan karakteristik cetakan yang diinginkan (Sadarang & Nayak, 2021). Bahan tambahan lain yang dapat digunakan adalah tepung kulit pisang.…”
Section: Pendahuluanunclassified
“…Cetakan green sand dengan kadar bentonit 3,5 % menghasilkan mampu bentuk sebesar 34 ± 5,1 %, sedangkan dengan kadar bentonit 4,3 % menghasilkan mampu bentuk cetakan green sand sebesar 36 ± 2,51 %. Mampu bentuk cetakan green sand meningkat akibat kenaikan bentonit (Sadarang & Nayak, 2021). Kenaikan bentonit meningkatkan daya ikat antar butir pasir sehingga cetakan lebih sulit memadat ketika terkena beban kejut.…”
Section: Karakteristik Cetakan Green Sandunclassified
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“…que dentro de la industria nacional es un producto que es ampliamente distribuido como repuestos y el alcance es presentar los parámetros de desarrollo de este producto mediante la fundición de arena para obtener un elemento funcional de producción nacional y que sea viable su manufactura, para así contribuir a la industria y al cambio de matriz productiva, teniendo en consideración la optimización de las características del material y su porcentaje de elementos aleantes a la matriz principal de aluminio (Gumbmann et al, 2017). Tanto las características de la fundición, así como los elementos complementarios para obtener un molde de arena, deben satisfacer las propiedades necesarias para el elemento fundido (Sadarang & Kumar, 2021). Así mismo este trabajo se enfoca en el diseño del elemento mediante ingeniería inversa mediante escaneo 3D y fotogrametría del elemento ya indicado www.concienciadigital.org La fundición como proceso de manufactura es necesaria altos consumos de energía por lo cual para que la fundición de estos elementos sea viable económicamente es necesario tener en cuenta la eficiencia energética del proceso (Haraldsson & Johansson, 2018).…”
Section: Introductionunclassified