TY - JOUR ID - 15082 TI - Tape casting and lost carbonate sintering processes for production of heat sinks for portable electronics    JO - Advanced Materials Letters JA - AML LA - en SN - 0976-3961 AU - Mosalagae, Mosalagae AU - Goodall, Russell AU - Elbadawi, Mohammed AD - Y1 - 2017 PY - 2017 VL - 8 IS - 7 SP - 807 EP - 812 KW - Tape casting KW - lost carbonate sintering KW - porous copper KW - heat sinks KW - dissolution DO - 10.5185/amlett.2017.7074 N2 - Porous copper was fabricated by means of a powder metallurgy process applied to tape casting. Lost Carbonate Sintering (LCS) was employed to control porosity within the component during processing. The weight ratio of the potassium carbonate introduced into the matrix ranged from 30-40 wt%. Additives such as; plasticizers, binders, dispersant and solvents were utilized to control the properties throughout the processes and ease fabrication. The component was debinded and sintered at 400 °C and 900 °C respectively, under vacuum. The potassium carbonate was removed from the sintered component via dissolution in water. By using X-ray Florescence (XRF) and Energy Dispersive X-ray Spectrometry (EDS) techniques, the effectiveness of the dissolution route at removing the space holder was investigated. The results show that porous copper produced in this way has porosity ranging from 75-85 % and pore size from 500-766 mm. The component produced has thickness ranging from 1300 -1800 mm.  UR - https://aml.iaamonline.org/article_15082.html L1 - https://aml.iaamonline.org/article_15082_c39419156d2f8a5b83f4c6988f9393f2.pdf ER -