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超细（纳米级）颗粒材料的制备（二）张燕红邱向东赵谢群胡初潜（北京有色金属研究总院，北京１０００８８）３固相法利用固体原料（一般为粉末）经高温或球磨制得超细粉末。３１高温固相反应法Ｓｉ３Ｎ４陶瓷的单相材料暴露了一些缺点，如断裂韧性低，烧结过程晶粒长...
Preparation of Ultrafine (Nanoscale) Particulate Materials (Ⅱ) Zhang Yanhong Qiu Xiangdong Zhao Xiequn Hu Chuqian (Beijing Nonferrous Metal Research Institute, Beijing 100088) 3 Solid phase method using solid raw materials (usually powder) Fine powder. 3 1 high-temperature solid-state reaction method Si3N4 ceramic single-phase material exposed some shortcomings, such as low fracture toughness, the sintering process of grain length ...