[非占位涂料精密制芯法基础材料及工艺理论研究]宋会宗

【非占位涂料精密制芯法基础材料及工艺理论研究】宋会宗.pdfDissertationSubmitted toAcademicDegrees Evaluation Committee of HuazhongUniversity of Science and TechnologyfortheDegree of Doctorof PhilosophyinEngineering StudyontheFundamentalMaterialsAndTheories of Non-occupying CoatingProcess for the Production of Precision Cores.PH.华中科技大学博士学位论文 润湿性,首次提出了能够更准确、更直观地反映热态润湿性且具有更广泛可比性 的新参量-热态润湿角,并给出了该参量的测定方法及其与模具温度、溶剂种类 及液滴蒸发时间之间的数学表达式:K 实践证明该参量对压铸、金属型、离心铸造等工艺中的热态涂敷也有较好的理 论指导意义。华中科技大学博士学位论文 3.The optimum composition of non-occupying coating was designed and optimized according tothehot-wetting theoryandinterfacialstress analysis.Anewcomposite inorganicbinderofsodiumhexametaphosphate-Aluminumsulfatewasdevelopedfor the firsttime,whichresolve thecontradictionbetweencoatabilit
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