Bulk Recycling of Ni-Cr-Mo Dental Alloy - A Sustainable Approach
نویسندگان
چکیده
Many dental alloy manufacturers instruct not to recast alloys, but the laboratories reuse casting surplus for economic reasons. It is a controversial topic in practice, so present study attempts assess effects of recasting Ni-Cr-Mo alloys. Three sets pellets were recast. The first set was melted and allowed solidify. second third two times three times, respectively. elemental composition all samples analysed using ED-XRF (Energy Dispersive X-ray Fluorescence) spectrometer. variation chemical number reported. observed that one time doesn't change considerable extent. However, further increase depletion major alloying elements (Ni, Cr, Mo) notable. Hence, current intends calculate exact amount depleted after each Also, have theoretical analysis necessary making master can be added during avoid changes composition. Moreover, microstructure an optical electron microscope (OEM). No drastic with several melting solidifying cycles, except orientation dendritic arm. Furthermore, confirm mechanical strength Vickers microhardness test conducted. average base 216 HV, once does affect hardness value. three-time showed only 9% decrement. Finally, it concluded as many provided are proportion research suggests recycling alloys bulk outside clinic, dentist should responsibly segregate different metal promote sustainable dentistry.
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ژورنال
عنوان ژورنال: ASM science journal
سال: 2023
ISSN: ['1823-6782']
DOI: https://doi.org/10.32802/asmscj.2023.1318