Acta Metall Sin  1998, Vol. 34 Issue (2): 195-199    DOI:

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SINTERING KINETICS OF NANOCRYSTALINE α-Al_2O_3 POWDER

LI Jiguang;SUN Xudong;WANG Yarong;SONG Dan;JIA Yingquan;HAO Shiming (School of Materials and Metallurgy; Northeastern University; Shenyang 110006)GU Yunyan (Institute of Gold; Northeastern University; Shenyang 110015)

LI Jiguang;SUN Xudong;WANG Yarong;SONG Dan;JIA Yingquan;HAO Shiming (School of Materials and Metallurgy; Northeastern University; Shenyang 110006)GU Yunyan (Institute of Gold; Northeastern University; Shenyang 110015). SINTERING KINETICS OF NANOCRYSTALINE α-Al_2O_3 POWDER. Acta Metall Sin, 1998, 34(2): 195-199.

Abstract References Related Articles Recommended Metrics Download:  PDF(952KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Constant heating rate sintering and conventional sintering methods were used to investigate the sintering kinetics of α-Al2O3 powder with a mean particle diameter of 10 nm.Constat heating rate (10℃ /min) sintering shows that densilication of the greenbody mainly occurs between 1200 and 1450℃. Relative density of the specimen is 98.85% after conventional sintering at 1400 ℃ for 2 h. Theoretical analysis indicates that further increase of the greenbody density and improvement of microstructural homogeneity could lead to a substatial decrease of sintering temperature of the powder. Key words:  alumina      nanocrystalline powder      sintering      kinetics      Received:  18 February 1998      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1998/V34/I2/195 1李继光,孙旭东,茹红强,宋丹,孙祥云,李晓东,郝士明.材料研究学报,待发表 (Li Jiguang, Sun Xudong, Ru Houggiang, Song Dan, Sun Xiangyun, Li Xiaodong, Hao Shiming. Chb J Mater Res, to be published) 2Roosen A,Hausner H. Adv Ceram Mater, 1988; 3: 131 3Greskovich C,Lay K H.J Am Ceram Soc,1972;55:142 4Lange F F.J Am Ceram Soc,1989;72:3 5Herring C.J Appl Phy,1950;21:301 6 Messing G L, Kumagai M. Am Ceram Soc Bull, 1994; 73(10): 88U [1] LIU Xingjun, WEI Zhenbang, LU Yong, HAN Jiajia, SHI Rongpei, WANG Cuiping. Progress on the Diffusion Kinetics of Novel Co-based and Nb-Si-based Superalloys[J]. 金属学报, 2023, 59(8): 969-985. [2] WANG Changsheng, FU Huadong, ZHANG Hongtao, XIE Jianxin. Effect of Cold-Rolling Deformation on Microstructure, Properties, and Precipitation Behavior of High-Performance Cu-Ni-Si Alloys[J]. 金属学报, 2023, 59(5): 585-598. [3] ZHANG Yuexin, WANG Jujin, YANG Wen, ZHANG Lifeng. Effect of Cooling Rate on the Evolution of Nonmetallic Inclusions in a Pipeline Steel[J]. 金属学报, 2023, 59(12): 1603-1612. [4] QI Xiaoyong, LIU Wenbo, HE Zongbei, WANG Yifan, YUN Di. Phase-Field Simulation of the Densification Process During Sintering of UN Nuclear Fuel[J]. 金属学报, 2023, 59(11): 1513-1522. [5] DU Zonggang, XU Tao, LI Ning, LI Wensheng, XING Gang, JU Lu, ZHAO Lihua, WU Hua, TIAN Yucheng. Preparation of Ni-Ir/Al2O3 Catalyst and Its Application for Hydrogen Generation from Hydrous Hydrazine[J]. 金属学报, 2023, 59(10): 1335-1345. [6] LI Sai, YANG Zenan, ZHANG Chi, YANG Zhigang. Phase Field Study of the Diffusional Paths in Pearlite-Austenite Transformation[J]. 金属学报, 2023, 59(10): 1376-1388. [7] GUO Lu, ZHU Qianke, CHEN Zhe, ZHANG Kewei, JIANG Yong. Non-Isothermal Crystallization Kinetics of Fe76Ga5Ge5B6P7Cu1 Alloy[J]. 金属学报, 2022, 58(6): 799-806. [8] TANG Shuai, LAN Huifang, DUAN Lei, JIN Jianfeng, LI Jianping, LIU Zhenyu, WANG Guodong. Co-Precipitation Behavior in Ferrite Region During Isothermal Process in Ti-Mo-Cu Microalloyed Steel[J]. 金属学报, 2022, 58(3): 355-364. [9] WANG Tao, LONG Dijun, YU Liming, LIU Yongchang, LI Huijun, WANG Zumin. Microstructure and Mechanical Properties of 14Cr-ODS Steel Fabricated by Ultra-High Pressure Sintering[J]. 金属学报, 2022, 58(2): 184-192. [10] PI Huilong, SHI Xiaolei, XU Xingxiang. Effect of SiC-ZrC Coating Prepared by SiZr Liquid Phase Sintering on the Oxidation Resistance of C/SiC Composites[J]. 金属学报, 2021, 57(6): 791-796. [11] XU Kun, WANG Haichuan, KONG Hui, WU Zhaoyang, ZHANG Zhan. Precipitation Kinetics of Al3Sc in Aluminum Alloys Modeled with a New Grouping Cluster Dynamics Model[J]. 金属学报, 2021, 57(6): 822-830. [12] LIU Ze, NING Hanwei, LIN Zhangqian, WANG Dongjun. Influence of Spark Plasma Sintering Parameters on the Microstructure and Room-Temperature Mechanical Properties of NiAl-28Cr-5.5Mo-0.5Zr Alloy[J]. 金属学报, 2021, 57(12): 1579-1587. [13] ZHU Min, OUYANG Liuzhang. Kinetics Tuning and Electrochemical Performance of Mg-Based Hydrogen Storage Alloys[J]. 金属学报, 2021, 57(11): 1416-1428. [14] LIN Zhangqian, ZHENG Wei, LI Hao, WANG Dongjun. Microstructures and Mechanical Properties of TA15 Titanium Alloy and Graphene Reinforced TA15 Composites Prepared by Spark Plasma Sintering[J]. 金属学报, 2021, 57(1): 111-120. [15] LIU Feng, WANG Tianle. Precipitation Modeling via the Synergy of Thermodynamics and Kinetics[J]. 金属学报, 2021, 57(1): 55-70. No Suggested Reading articles found! Viewed Full text Abstract Cited   Shared      Discussed