Acta Metall Sin  1997, Vol. 33 Issue (7): 769-773    DOI:

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EFFECTS OF PRESSURE AND TEMPERATURE ON THE MICROSTRUCTURES OF NANOCRYSTALS α-Fe_2O_3

LI Haibo;CHEN Gang; GONG Jie;HONG Jun;YU Ruihuang (Jilin University; Changchun 130023) (Siping Normal College; Siping 136000)

LI Haibo;CHEN Gang; GONG Jie;HONG Jun;YU Ruihuang (Jilin University; Changchun 130023) (Siping Normal College; Siping 136000). EFFECTS OF PRESSURE AND TEMPERATURE ON THE MICROSTRUCTURES OF NANOCRYSTALS α-Fe_2O_3. Acta Metall Sin, 1997, 33(7): 769-773.

Abstract References Related Articles Recommended Metrics Download:  PDF(434KB)  Export:  BibTeX | EndNote (RIS)       Abstract  α-Fe2O3 ultrafine particles prepared with precipitation method were treated to form nanocrystals at various presures or temperatures, and their microstructures were studied by means of X-ray and Mbssbauer spectroscopy. The results indicate that high pressure affects mainly the structures of surface of micrograins and interface in nanocrystalline materials. Key words:  α-Fe_2O_3      nanocrystal      Mbssbauer spectrum      high pressure      lattice distortion      Received:  18 July 1997      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/Y1997/V33/I7/769 1Gleiter H Prog Mater Scit 1989; 33: 223 2Andres R P, Avertiack R S, Brown W L, Brus L E, Goddara W At Kaldor A3 Louie S G, MoscovltsM,Peercy P S,Riley P S,SiegelR W,Spaepen F,Wang Y.JMaterRes,1989;4:704 3 Hayashi C, Phys Today, 1987; 40(12):44 4Morrish A H,Zhou X Z.In:Hadupanayis G C,Prinz G A eds,Science Technology NanostructuredMagn Mater,New York:Plenum,1991:511 5Kato A,Suyama Y.J pn J Surf Sci Soc,1987:316 6王煜明.非晶体及晶体缺陷的X射线衍射.北京:科学出版社,1988:142 7Kundig W, BommelH, Constabaris G, Lindquist R H. Phys Rev, 1966; 142: 327 8李海波,宫杰,陈岗,幸志明,余瑞玻.金属学报,1996;32:409 [1] HUANG Ding, QIAO Yanxin, YANG Lanlan, WANG Jinlong, CHEN Minghui, ZHU Shenglong, WANG Fuhui. Effect of Shot Peening of Substrate Surface on Cyclic Oxidation Behavior of Sputtered Nanocrystalline Coating[J]. 金属学报, 2023, 59(5): 668-678. [2] CAO Shuting, ZHANG Shaohua, ZHANG Jian. Combustion Behavior of GH4061 Alloy in High Pressure and Oxygen-Enriched Atmosphere[J]. 金属学报, 2023, 59(4): 547-555. [3] 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. [4] YANG Yong, HE Quanfeng. Lattice Distortion in High-Entropy Alloys[J]. 金属学报, 2021, 57(4): 385-392. [5] WANG Yihan, YUAN Yuan, YU Jiabin, WU Honghui, WU Yuan, JIANG Suihe, LIU Xiongjun, WANG Hui, LU Zhaoping. Design for Thermal Stability of Nanocrystalline Alloys Based on High-Entropy Effects[J]. 金属学报, 2021, 57(4): 403-412. [6] LI Xiaoqian, WANG Fuguo, LIANG Aimin. Effect of Spraying Process on Microstructure and Tribological Properties of Ta2O5 In Situ Composite Nanocrystalline Ta-Based Coatings[J]. 金属学报, 2021, 57(2): 237-246. [7] LI Xiaohui, WANG Jianqiu, HAN En-Hou, GUO Yanjun, ZHENG Hui, YANG Shuangliang. Electrochemistry and In Situ Scratch Behavior of 690 Alloy in Simulated Nuclear Power High Temperature High Pressure Water[J]. 金属学报, 2020, 56(11): 1474-1484. [8] Ping LI, Quan LIN, Yufeng ZHOU, Kemin XUE, Yucheng WU. TEM Analysis of Microstructure Evolution Process of Pure Tungsten Under High Pressure Torsion[J]. 金属学报, 2019, 55(4): 521-528. [9] Xiubing LIANG, Jianwen FAN, Zhibin ZHANG, Yongxiong CHEN. Microstructure and Corrosion Properties of Aluminum Base Amorphous and Nanocrystalline Composite Coating[J]. 金属学报, 2018, 54(8): 1193-1203. [10] Shoumei XIONG, Jinglian DU, Zhipeng GUO, Manhong YANG, Mengwu WU, Cheng BI, Yongyou CAO. Characterization and Modeling Study on Interfacial Heat Transfer Behavior and Solidified Microstructure of Die Cast Magnesium Alloys[J]. 金属学报, 2018, 54(2): 174-192. [11] Feng LIU, Linke HUANG, Yuzeng CHEN. Concurrence of Phase Transition and Grain Growth in Nanocrystalline Metallic Materials[J]. 金属学报, 2018, 54(11): 1525-1536. [12] Jianhai YANG,Yuxiang ZHANG,Liling GE,Xiao CHENG,Jiazhao CHEN,Yang GAO. Effect of Hybrid Surface Nanocrystallization Before Welding on Microstructure and Mechanical Properties of Friction Stir Welded 2A14 Aluminum Alloy Joints[J]. 金属学报, 2017, 53(7): 842-850. [13] Yaoxiang GENG,Xin LIN,Jianbing QIANG,Yingmin WANG,Chuang DONG. Dual-Cluster Characteristic and Composition Optimization of Finemet Soft Magnetic Nanocrystalline Alloys[J]. 金属学报, 2017, 53(7): 833-841. [14] Yufeng ZHENG,Yuanhao WU. Revolutionizing Metallic Biomaterials[J]. 金属学报, 2017, 53(3): 257-297. [15] Lining XU,Bei WANG,Minxu LU. CORROSION BEHAVIOR OF 6.5%Cr STEEL IN HIGH TEMPERATURE AND HIGH PRESSURE CO2 ENVIRONMENT[J]. 金属学报, 2016, 52(6): 672-678. No Suggested Reading articles found! Viewed Full text Abstract Cited   Shared      Discussed