Sintering characteristics of Chinese bauxites

Friction Surface Treatment Selection: Aggregate Properties, Surface Characteristics, Alternative Treatments, and Safety Effects

“…The calcined bauxite widely used for HFST in the US is commonly imported from China and is produced by calcining raw bauxite at a temperature between 1450uC and 1700uC. The Chinese calcined bauxite consists of mainly corundum (a2Al 2 O 3 ) and mullite (3Al 2 O 3 .2SiO 2 ) phases and a very small glass phase (Zhong & Li, 1981). Corundum phase is an exceptional hard, tough, and stable phase, which makes calcined bauxite an excellent abrasion-resistant aggregate.…”

“…It is also interesting to note that in Table 2.10, there is no requirement for SiO 2 . The main reasons are the properties of calcined bauxite varies with the Al 2 O 3 /SiO 2 ratio rather the SiO 2 content itself and the SiO 2 content decreases linearly as the Al 2 O 3 content increases (Zhong & Li, 1981).…”

Effect of Mullite Homogenized Grogs on the Properties of Mullite-SiC Bricks

“…Now the utilization of bauxite resource is lower, and the phenomenon of mineral resource wasting seriously, and a large number of low grade minerals are abandoned in china [1][2]. Based on the features of the utilization of bauxite, our company took measures to reduce the impurity content (mainly TiO2 and Fe2O3) of grade II bauxite.…”

Study of Two Kinds of Composite Reducing Agent in the Synthesis of β-SiAlON

“…China is a big country of bauxite reserves, based on the resource advantages, vigorously develop bauxite based synthetic material is the present trend of development, including the use of high alumina preparation Sialon [1] . Synthetic bauxite based β-SiAlON, not only because of wide source of raw materials, low cost, and reaction to the equipment is not high, but also can greatly reduce the cost of synthesis of SiAlON, therefore research using bauxite raw material for the synthesis of β-SiAlON will expand its application field.…”