《Table 1 Chemical composition of acid soluble titanium bearing slag (wt%)》

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《铝热还原酸溶性钛渣制备TiAl基多元合金（英文）》

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The chemical composition and XRD pattern of acid soluble titanium bearing slag（ASTS），supplied by Panzhihua Guo Tai Co.，China，are shown in Table 1 and Fig.1，respectively.50 g of ground ASTS was mixed with Al powder（99 wt%）and reagent grade of Ca O（99.9 wt%）.The mixture was put in an alumina crucible（Φ50mm×H100 mm）which was again placed in a graphite crucible and heated in a preheated resistance furnace（200mm×200 mm×200 mm）.After smelting，the crucible assembly was taken out from the furnace and the sample was cooled in the ambient atmosphere.The crucible assembly was broken after weighing it and the alloy plus slag were carefully separated.Then，the alloy sample was weighed to further analyze the slag-alloy separation efficiency or metallization rate.The chemical composition of the slag was quantitatively analyzed by X-ray fluorescence，while the composition of the alloy were analyzed by chemical analysis and Inductively Coupled Plasma（ICP）spectrometer depending on the alloy elements.Phases of the slag and the alloy were identified by X-ray diffractometer（XRD）on a PANalytical X’Pert Powder.