杜令忠,张伟刚,张登君,李报厚

• 1:中国科学院工程研究所多相复杂系统国家重点实验室

摘要(Abstract)：

采用差式扫描热分析(DSC)和高温动态X射线衍射(XRD)对喷雾造粒白炭黑微球的烧结行为进行了研究。结果表明,白炭黑在高温下发生了非晶向晶态的转变,喷雾造粒白炭黑微球的转变温度比白炭黑粉末低80℃。通过Kissinger方程和Doyle-Ozawa方程计算,喷雾造粒微球的晶化表观活化能为310kJ/mol,随着非晶转变百分比增加,晶化激活能逐渐减小。

关键词(KeyWords)： 喷雾造粒;烧结;晶化;激活能

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 杜令忠,张伟刚,张登君,李报厚

参考文献(References)：

• [1]Mitchell Dorfman,Ulrich Erning,James Mallon.Gas turbines use abradable coatings for clearance-control seals[J].Sealing Technology,2002,(1):7-8.
• [2]Yi Maozhong,He Jiawen,Huang Baiyun.Friction and wear behaviour and abradability of abradable seal coating[J].Wear,1999,231:47-53.
• [3]Demasi J T.Protective coatings in the gas turbine engine[J].Surf Coat Technol,1994,68-69:1-7.
• [4]王国光,水淼,岳林海.X射线衍射分析非晶二氧化硅结构及其物化性质研究[J].无机化学学报,2002,18(10):991-996.WANG Guo-guang,SHUI Miao,YUE Lin-hai.Structural studies by X-ray diffraction and physico-chemical properties of non-crystalline silica[J].ChineseJournal of Inorganic Chemistry,2002,18(10):991-996.
• [5]Maurizio Casarin,Daniele Falcomer,Antonella Glisenti.Experimental and QM/MM investigation of the hydrated silica surface reactivity[J].ChemicalPhysics Letters,2005,405(4-6):459-464.
• [6]Teofil Jesionowski,Jolanta zurawska,Andrzej Krysztafkiewicz.Physicochemical and morphological properties of hydrated silicas precipitated followingalkoxysilane surface modification[J].Applied Surface Science,2005,205(1-4):212-214.
• [7]Aronin A S,Abrosimva G E,Gurv A F.Nanocrystallization of bulk Zr-Cu-Ti metallic glass[J].Mater Sci Eng A,2001,304-306:375-379.
• [8]秦凤香,张海峰,陈鹏.镍基块状非晶合金的晶化动力学行为[J].金属学报,2004,40(12):1285-1289.QIN Feng-xiang,ZHANG Hai-feng,CHEN Peng.Crystallization kenetics of the ni-based bulk metallic glass[J].Acta Metallurgica Sinica,2004,40(12):1285-1289.
• [9]WANG Xiao-dong,Hoseong Lee,Seonghoon Yi.Crystallization behavior of preannealed bulk amorphous alloy Zr62Al8Ni13Cu17[J].Materials Letters,2006,60(7):935-938.
• [10]Kissinger H E.Variation of peak temperature with heating rate in different thermal analysis[J].J Research Nat Bur Standards,1956,57(4):217-221.
• [11]Jiang Xiangdong,Zhang Huaiwu,Wen Qiye.Crystallization kinetics of magnetron-sputtered amorphous CoNbZr thin films[J].Vacuum,2005,77(2):209-215.

文章评论(Comment)：