Publication:
Development Of Low Cost Block Mold For Copper Alloy Casting

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dc.contributor.authorSiti Zaleha Mohd Noren_US
dc.contributor.authorRomzee Ismailen_US
dc.contributor.authorSahrim Ahmaden_US
dc.contributor.authorAhmad Salihin Samsudinen_US
dc.contributor.authorMohd Ikmar Nizam Mohamad Isaen_US
dc.date.accessioned2024-05-28T03:28:08Z
dc.date.available2024-05-28T03:28:08Z
dc.date.issued2016
dc.descriptionVolume: 78 No: 6-6: Advancement in Petroleum and Chemical Engineering Technology and Applications Part IIen_US
dc.description.abstractSuitable block mold formulations for copper alloy casting have been developed and the formulations used were 25% plaster of paris (POP), 75% silica sand and 31-37% water. Silica sand with a grain size of 106-212 µm was added into dilute suspension of POP and the mixing process was continued until a thick slurry (mixture) was obtained. It has been found that the mixing time of molding materials was highly depended on the type of plaster and optimum slurry viscosity around the diameter of 7.7 – 9.6 cm (slump test) was essential to ensure that the wax pattern could be fully invested. In the dewaxing process, the mold was subjected to the temperature of 170oC for 3 hours and burnout process was effectively achieved by heating the molds at 750oC for 5 hours. The pouring process was successfully carried out without any leakage and it was found that all molds can be easily broken under a force of a hammer.The developed mold also able to produce fully formed of casting without any major defects such as misrun, fin or flash and rat tail, which can be associated with inadequate mold temperature, mold cracks and the separation of mold’s material respectively.en_US
dc.identifier.doi10.11113/jt.v78.9017
dc.identifier.epage33
dc.identifier.issn0127-9696
dc.identifier.issue6-6
dc.identifier.spage27
dc.identifier.urihttps://journals.utm.my/index.php/jurnalteknologi/article/view/9017
dc.identifier.urihttps://oarep.usim.edu.my/handle/123456789/4247
dc.identifier.volume78
dc.language.isoen_USen_US
dc.publisherPenerbit Universiti Teknologi Malaysiaen_US
dc.relation.ispartofJurnal Teknologien_US
dc.subjectSilica sand, block mold, wax pattern, copper alloy castingen_US
dc.titleDevelopment Of Low Cost Block Mold For Copper Alloy Castingen_US
dc.typeArticleen_US
dspace.entity.typePublication

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