β-SiC高级油石的制备及性能研究.docVIP

论文题目：β-SiC高级油石的制备及性能研究 专 业：材料学 硕 士 生： (签名) 指导教师： (签名) 摘 要 油石是一种磨具，主要用于加工机械零部件，被誉为工业的牙齿”，用量很大普通的油石主要是由刚玉(Al2O3)做成的，硬度不够高，消耗太快，而β-SiC作为一种新材料，其做成的油石硬度较高，经久耐用，有望成为传统刚玉油石的替代品，因此本文主要研究β-SiC油石的制备及其性能。 本文从配方和工艺两个方面对β-SiC油石的物理性能进行了详细的研究，得出了在实验条件下的最佳配方和工艺。即： 最佳配方：当β-SiC含量为100.0g时，钾长石为18.0g，精萘为6.0g，糊精为3.0g，糖水为30.0g，B4C为2.5g，高岭土为19.0g。 最佳工艺： 关 键 词：β-SiC；磨料磨具；洛氏硬度；气孔率；油石 研究类型：应用研究Subject：Study on Preparation and Properties of Beta Silicon Carbide Advanced Oilstone Specialty：Material Science Name：Zhang Qinnan (Signature) Instructor：Wang Xiaogang (Signature) ABSTRACT Oilstone?is an?abrasive tool, which is mainly used for processing?the mechanical parts and is compared to the “industrial tooth”.?There is a great amount of its products in industry.?The ordinary?oilstone?is mainly made of corundum?(Al2O3)?with lower hardness and easier to run out. However，β-SiC,?as a new?material, that can be used into the?oilstone with higher hardness and better durability,?is expected to become?a substitute for the traditional?corundum?oilstone. As a result，this?paper have been studied the?preparation and properties of β-SiC oilstone?. In this paper,?physical?properties of β-SiC oilstone?have been?studied in detail from two aspects of formulation and process,?and obtained the best formula?and process under the experimental conditions. Namely: The best?formula: When the content of β-SiC is 100.0 g, potassium feldspar is 18.0 g, fine naphthalene for 6.0 g, dextrin as 3.0 g and 30.0 g sugar water, B4C for 2.5 g, kaolin as 19.0 g. The optimum?process: Stale time is for 1 d, molding pressure for 30 MPa, sintering temperature of 900 ℃, and vertical put. Key Words：β-SiC；Abrasives；Rockwell Hardness；Porosity；Oilstone Thesis：Application Research 目录1 绪论 1 1.1 选题的背景及研究的意义 1 1.1.1 选题的背景 1 1.1.2 研究的意义 5 1.2 国内外研究进展及发展趋势 5 1.2.1 国外研究进展 5 1.2.2 国内研究进展 8 1.2.3 发展趋势 9 1.3 论文研究内容与技术路线 10 1.3.1 研究内容 10 1.3.2 技术路线 11 2 性能指标的选取 12 2.1 企业用指标 12 2.2 国家标准 12 2.3 自选指标 14 2.4 本章小结 16 3