Proceedings of, 4th International Conference on Production Automation and Mechanical Engineering held on 3-4 August 2018 Montreal,Canada ISBN:9780998900063 41 Manufacture and property determination of green stone composite Davoud Karimi Department of mechanical engineering, Iranian Research Organization for Science and Technology (IROST), Ahmadabad mostofi, Tehran, Iran Bryn Crawford Abbas S. Milani School of Engineering, School of Engineering, University of British Columbia, Kelowna, University of British Columbia, Kelowna, V1Y 1V7, Canada V1Y 1V7, Canada Abstract— A green stone composite concept is introduced as a potential solution to the natural stone slurry waste management. Such product solution may potentially play a significant role for municipalities for the management of large amounts of waste created in stone fabrication plants. The composite test samples were made of granite stone powder and ABS polymer, with 50%, 60%, and 70% particle weight fractions. The results were compared to the control specimens of pure ABS. Particles were obtained from slurry waste and sieved to 80 micrometers in size. Results indicated that the stone composite specific tensile strength decreases with increasing the weight fraction of the granite powder beyond 50%; however, up to 50% fraction, the strength variation appeared to be minimal but positive. On the other hand, the stiffness continually increased with addition of granite stone powder (at 50% weight fraction, the increase was as high as 200%). The flexural stiffness and fracture toughness showed declining trends with the addition of stone particles. Thermal properties, namely the thermal conductivity, boosted drastically; samples with 70% of stone particles showed thermal conductivity nearly 5 times as high as the control samples. Keywords— ABS polymer, Granite, Mechanical Properties, Natural Stone, Slurry Waste. INTRODUCTION The use of „dimension stone‟ as the natural structural or ornamental elements of buildings, constructions and monuments is increasing rapidly. As reported by [1] the production of worldwide dimension stone was about 125 million tons in 2012, which highlights the broad size of this industry. In Europe [2] the production of natural stone is around 22.5 million tons per year. Different types of igneous, metamorphic, and sedimentary rocks such as granite, marble, limestone, sandstone, slate, and travertine are used as dimension stones; Granite, marble and limestone are the most commonly used around the world. Granite is a felsic crystalline rock of interlocking texture with visible mineral grains. It is mainly produced by China, India, Brazil, and Canada [3]. Rajgor and Pitroda [4] published the world natural stone production statistics in 2013. Slurries are produced on the elaboration of natural stone products during different stages of the processing including cutting of blocks, slabs and polishing of the slabs and tiles. In such procedures fine particles are produced and drained with water. The role of water is to cool down the cutter and to remove fine particles from the cutting zone to an accumulation pool. The produced sludge is abandoned for several days such that particles are settled down. During this period, great amount of water will be lost through evaporation. This fact implements that this method wastes significant amount of water. Finally, the sludge is transported and by trucks and dumped in landfills. In a more recent and up-to-date practice filter-presses are employed to separate particles and water. The water is