田素贵,谢广亮,谢君

• 1:沈阳工业大学材料科学与工程学院

摘要(Abstract)：

利用Miedema和Toop热力学模型计算粉末镍基合金中碳化物的生成热、活度系数及NbC、TiC碳化物的过剩Gibbs自由能,进一步求出合金中析出NbC、TiC碳化物的Gibbs自由能与温度的关系式,研究粉末镍基合金中碳化物的析出行为。结果表明,在实验温度范围内,合金中可析出NbC、TiC碳化物,并确定出合金中NbC、TiC碳化物相的析出温度分别为1353 K和1090 K,由于Ti、Nb晶体结构的相似性,碳化物中两原子可相互置换,并以(Ni,Ti)C型线性碳化物形式存在。

关键词(KeyWords)： 粉末镍基合金;Miedema模型;Toop模型;Gibbs自由能;碳化物

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助(51271125)

作者(Author): 田素贵,谢广亮,谢君

DOI: 10.13289/j.issn.1009-6264.2013.07.018

参考文献(References)：

• [1]胡本芙,陈焕铭,金开生,等.FGH95高温合金的静态再结晶机制[J].中国有色金属学报,2004,14(6):901-906.HU Ben-fu,CHEN Huan-ming,JIN Kai-sheng,et al.Static recrystallization mechanism of FGH95 superalloy[J].The Chinese of Nonferrous Metals,2004,14(6):901-906.
• [2]田素贵,李晶晶,谢君,等.FGH95镍基合金的相组成及γ'相的粒度分布[J].沈阳工业大学学报,2011,33(6):635-639.TIAN Su-gui,LI Jing-jing,XIE Jun,et al.Phase constituent and granularity distribution ofγ'phase in FGH95 nickel based superalloy[J].Journal ofShenyang University of Technology,2011,33(6):635-639.
• [3]国为民,吴剑涛,张凤戈,等.FGH95镍基粉末高温合金热等静压工艺的研究和发展[J].钢铁研究学报,2003,15(7):332-337.GUO Wei-min,WU Jian-tao,ZHANG Feng-ge,et al.Researchand and development of HIP technology for FGH95 alloy[J].Journal of Iron and SteelResearch,2003,15(7):332-337.
• [4]赵军普,袁守谦,陶洋,等.FGH96合金中γ'和碳化物相平衡计算[J].稀有金属材料与工程,2011,40(6):1019-1024.ZHAO Jun-pu,YUAN Shou-qian,TAO Yang,et al.Equilibrium calculations ofγ'and carbides for P/M superalloy FGH96[J].Rare Metal Materialsand Engineering,2011,40(6):1019-1024.
• [5]胡本芙,陈焕铭,宋铎,等.镍基高温合金快速凝固粉末颗粒中MC型碳化物相的研究[J].金属学报,2005,11(10):1042-1046.HU Ben-fu,CHEN Huan-ming,SONG Duo,et al.Research on MC type carbide in nickel-based superalloy powders during rapid solidification[J].Acta Metallurgica Sinica,2005,11(10):1042-1046.
• [6]胡本芙,陈焕铭,宋铎,等.预热处理对FGH95高温合金粉末中碳化物的影响[J].金属学报,2003,39(5):470-475.HU Ben-fu,CHEN Huan-ming,SONG Duo,et al.The effect of pre-heating on carbide precipatites in FGH95 superalloy powders prepared by PREP[J].Acta Metallurgica Sinica,2003,39(5):470-475.
• [7]周建波,崔春翔,李殿国.镍基高温合金长期时效处理中碳化物的析出行为[J].金属学报,2005,41(10):33-37.ZHOU Jian-bo,CUI Chun-xiang,LI Dian-guo.Carbide precipitating behavior of Ni-based superalloy by long time aging hwat treatment[J].ActaMetallrugica Sinica,2005,41(10):33-37.
• [8]胡本芙,陈焕铭,李慧英,等.等离子旋转电极雾化FGH95高温合金原始粉末颗粒中碳化物的研究[J].材料工程,2003(1):6-9.HU Ben-fu,CHEN Huan-ming,LI Hui-ying,et al.Research on the carbides in FGH95 superalloy powders prepared by PREP during solidification[J].Material Engineering,2003(1):6-9.
• [9]谢君,田素贵,周晓明.热等静压温度对FGH95合金组织及点阵常数的影响[J].材料热处理学报,2011,32(11):59-63.XIE Jun,TIAN Su-gui,ZHOU Xiao-ming.Effects of HIP temperature on microstructure and lattice constant of FGH95 superalloy[J].Transactions ofMaterials and Heat Treatment,2011,32(11):59-63.
• [10]TIAN Su-gui,XIE Jun,ZHOU Xiao-ming,et al.Microstructure and creep behavior of FGH95 nickel-base superalloy[J].Mater Sci Eng A,2011,528:2076-2084.
• [11]张邦维,胡望宇,舒小林.嵌入原子方法理论及其在材料科学中的应用[M].长沙:湖南大学出版社,2002.
• [12]薛松柏.稀土元素铈在银基钎料中的作用及热力学行为研究[M].哈尔滨:哈尔滨工业大学,2002.
• [13]Dinsdale A T.Sgte data for pure elements[J].Calphad,1991,15(4):317-425.
• [14]黄福祥,尹平,李司山,等.计算合金热力学性质的Miedema理论[J].重庆理工大学学报:自然科学,2010,24(1):92-97.HUANG Fu-xiang,YI Ping,LI Si-shan,et al.Miedema model for calculating thermodynamic properties of alloys system[J].Journal of ChongqingUniversity of Technology:Natural Science,2010,24(1):92-97.
• [15]石国梁,张丁非,戴庆伟,等.Mg-6Zn-1Mn镁合金中MgZn相析出的热力学计算[J].稀有金属材料与工程,2009,38(11):1940-1944.SHI Guo-liang,ZHANG Ding-fei,DAI Qing-wei,et al.Thermodynamic calculation of the precipitation reaction of MgZn phase in Mg-6Zn-1Mnmagnesium alloy[J].Raer Materials and Engineering,2009,38(11):1940-1944.
• [16]Jesser W A,Zhang B W.Formation energy of ternary alloy systems calculated by an extended Miedema model[J].Physica B,2002,315(1):123-132.
• [17]范鹏,周国治.由组元的物性参数预测金属熔体的热力学性质[J].金属学报,1999,35(4):421-426.FAN Peng,ZHOU Guo-zhi.A model for Predicting thermodynamic properties of metallic solutions from fundmental physical quantities of constituentelements[J].Acta Metallrugica Sinica,1999,35(4):421-426.
• [18]吴春峰,李慧改,郑少波,等.二元合金热力学模型-Miedema模型[J].上海金属,2011,33(4):1-5.WU Chun-feng,LI Hui-gai,ZHENG Shao-bo,et al.Thermodynamic model of the binary alloys-miedema model[J].Shanghai Metals,2011,33(4):1-5.
• [19]胡本芙,陈焕铭,宋铎,等.镍基高温合金快速凝固粉末颗粒中MC型碳化物相的研究[J].金属学报,2005,41(10):1042-1046.HU Ben-fu,CHEN Huan-ming,SONG Duo,et al.Research on MC type carbide in nickel-based superalloy powders during rapid solidification[J].Acta Metallrugica Sinica,2005,41(10):1042-1046.

文章评论(Comment)：