The activity of CaO and La<sub>2</sub>O<sub>3</sub> in the liquid ternary slay CaO-SiO<sub>2</sub>-La<sub>2</sub>O<sub>3</sub> has been de-termined by equilibra
Convection and constitution variation of liquid metal during solidification has been studied us-ing NH<sub>4</sub>Cl aqueous solution.The liquid in mushy zone a
The interaction between Cu and liquid Sn was studied by microstructure observation.Thecurve of the dipping time with related to dissolving and diffusion of Cu i
The macrosegregation formation in an ingot and the influence of rotating mould upon it wereanalysed on the basis of interdendritic flow.When the ingot mould rot
Solubility of Ca in manganese and manganese alloys was measured under sealed conditions at1350℃.The interaction coefficients of Al and Fe on Ca in Mn were eval