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M. Alfian Mizar
Universitas Negeri Malang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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Journal : Journal of Mechanical Engineering Science and Technology

 1 
The Strength of Moulding Sand Consisting of a Mixture of Bentonite, Tapioca Flour, and Sago Flour as a New Binder Formula to Improve the Quality of Al-Si Cast Alloy Andoko Andoko; Riana Nurmalasari; M. Alfian Mizar; Retno Wulandari; Poppy Puspitasari; Avita Ayu Permanasari
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 1, No 1 (2017)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (109.133 KB) | DOI: 10.17977/um016v1i12017p032

Abstract

The major factors determining the quality of sand casting products are the base sand and the composition of the sand mould and the binding material. In the foundry industry, the most commonly used binder for creating sand moulds is bentonite. However, the price of bentonite is likely to keep rising. This study aimed at discovering a new binder formula associated with the effect of binder composition i.e. bentonite, tapioca flour, and sago flour on the basis of its mechanical and physical properties. The new formula was expected to be a better binder in the production of sand moulds, resulting in high-quality casting products with minimal defects. Moreover, it is probable to be much more economical than bentonite. This research focused on testing the moulding sand composition with a number of different binders, i.e. bentonite, tapioca flour, and sago flour, each in a different proportion. The mixture of the moulding sand with each of the three binders will be tested in terms of its mechanical properties including compressive, shear, and tensile strength. Based on the test results, sago flour has the highest dry compressive strength of 28.6 N/cm2, whereas bentonite has the highest wet compressive strength, i.e. 11.83 N/cm2 and the highest wet shear strength i.e. 3.16 N/cm2. The binder with the highest dry shear strength is tapioca flour with 18.16 N/cm2. Regarding the tensile strength value, bentonite has the highest wet tensile strength of 0.85 N/cm2, while sago flour has the highest dry tensile strength of 1.73 N/cm2.
Co-Authors Abadi, M. Tommy Hasan Achmad Safii Agung Witjoro Agusta Rakhmat Taufani Ahmad Atif Fikri Ahmed Jabari Aji Prasetya Wibawa Alfrida Parma Fadmasari Algafari Bakti Manggara Amania, Sulfa Andoko Andoko, Andoko Arafah Husna Arfiyansyah, Rizky Argeshwara, Dityo Kreshna Aripriharta - Arrohman, Maulana Ludfi Avita Ayu Permanasari Bagaskoro, Muhammad Cahyo Bargazi Tanzilul Hakim Bayu Satriyo Wibowo Cassandra Permata Nusa Chayara, Almira Syaqila Mayndie Christian Asri Wicaksana Chusnana Insyaf Yogiyanti Dhea Amalia Putri Diva Didik Nurhadi Dito Valentino Dityo Kreshna Argeshwara Dyah Lestari Endang Amalia Wahyuni Etty Soesilowati Faidzin, Ilham Fido Arya Kusuma Gunawan, Pristiko Hadi, Moch. Sholihul Hafidz, Abdullah Syamil Hanafi Hamni, Septiani Dewi Hanif Nabila Rahmi I Made Wirawan Istiqomah, Aisyah Shabrina Kriya Mateeke Moses Lathifah, Listy Nailah Mahdiyyatul Lisma Hafifatul Aprilia M. Farrel Akbar Firzatullah Marji Marji Markus Diantoro Moch Sholihul Hadi Moch. Sholihul Hadi Moch. Sholihul Hadi Moch. Solihul Hadi Mokh Sholihul Hadi Moses, Kriya Mateeke Muchammad Harly Muhiban Syabani Muladi Nandang Mufti Nur Hidayat, Wahyu Nurinda, Mei Sulfia Nurlayla Nabila Astarin Putri, Tiara Zakiyah Rahmadhani, Nur Aini Syafrina Ramadhani, I Gusti Ayu Isnaini Fatha Ramadhani Ratna Juwita Ratna Juwita Retno Wulandari Riana Nurmalasari Rr. Poppy Puspitasari Samsul Hidayat Setumin, Samsul Shidiqi, Maulana As Slamet Fauzan Soraya Norma Mustika Sugiono, Bhima Satria Rizky Sujito Sujito Sumarno . Syamsul Hadi Tiwi Ananda Tri Kuncoro Wicaksana, Christian Asri Widiyanti Widiyanti Widiyanti, Widiyanti Yoyok Adisetio Laksono Zahra, Shakila Aliya