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Solidification simulation of Al-Mg-Er alloys using CALPHAD method ZHANG Li-gang(章立钢)1, LIU Li-bin(刘立斌)1, 2, HUANG Guo-xing(黄国幸)1, JIA Bing-ran(贾兵然)1 1. School of Materials Science...; Abstract: With CALPHAD(calculation of phase diagrams) method, the solidification paths of several Al-rich Al-Mg-Er alloys were......
Interpolation and extrapolation with the CALPHAD methodQun Luo1,Cong Zhai1,Dongke Sun2,Wei Chen3,Qian Li11. State Key Laboratory of Advanced Special Steel & Shanghai Key Laboratory of Advanced... Engineering, Southeast University3. Key Laboratory of Power Beam Processing, AVIC Manufacturing Technology Institute摘 要:It is widely reported that CALPHAD......
Received 22 June 2011; accepted 2 September 2011 Abstract: The thermodynamic re-assessment of Au-Pt binary system was carried out by using the Calphad method and based on the recent experimental data... words: Au-Pt system; phase diagram; thermodynamic assessment; Calphad method 1 Introduction Recently, intense research has been focused on the Au-Pt and Au-Pt based systems because these alloys exhibit......
金属固溶体热膨胀系数的CALPHAD计算模型丁琪,施展,李晓菲,韩佳甲,许伟伟,王翠萍,刘兴军厦门大学摘 要:基于计算相图方法(CALPHAD方法),借鉴经典热容模型,通过增加额外的磁性项参数,构建了包含铁磁-顺磁转变的金属固溶体热膨胀系数的CALPHAD计算模型.结合Ni-Fe二元合金的实验结果,采用...<50%(质量分数)的Ni-Fe二元金属固溶体的热膨胀系数.关键词:热膨胀系数;CALPHAD方法;金属固溶体;Ni-Fe合金;......
Assessment of Co-Cr-Ni ternary system by CALPHAD techniqueYANG Shuyu,JIANG Min,LI Hongxiao,LIU Yang,and WANG Lei Key Laboratory for Anisotropy and Texture of Materials,Ministry of Education,Northeastern University,Shenyang 110004,China摘 要:The Co-Cr-Ni ternary system was critically assessed using the CALPHAD technique.The solution phases including......
Fcc Pt的热力学性质和热物理性质的CALPHAD研究徐志锋1,郭鑫1,鲁晓刚1,21. 上海大学材料科学与工程学院2. 上海大学材料基因组工程研究院摘 要:应用CALPHAD方法和改进的Debye-Grüneisen模型对具有fcc(面心立方)结构的纯Pt的热力学性质和热物理性质进行了优化研究.该方法利用一套具有实际物理意义的模型参数,可以准确地描述fcc Pt在宽广温度(0 K熔点)和压力(常压极端高压)范围内的大部分热力学性质(包括Gibbs自由能,熵和热容等)和热物理性质(包括体积,热膨胀系数和弹性模量等),揭示了热力学性质和热物理性质的内在联系.关键词:面心立方Pt;CALPHAD;Debye-Grüneisen模型;热力学性质;热物理性质;......
基于Calphad方法计算钛合金β相转变温度王树森1,林崇茂1,胡仁民2,吴广新1,3,Ali Wajid1,鲁雄刚1,3,李重河1,31. 省部共建高品质特殊钢冶金与制备国家重点实验室上海市钢铁冶金新技术开发应用重点实验室上海大学材料科学与工程学院2. 宝钢特钢有限公司3. 上海特种铸造工程技术研究中心摘 要:通过Calphad方法优化了Ti-Al-Fe-Mn四元系数据库,利用此数据库计算了4个子三系相关相变温度,并与已有的实验数据进行了对比和讨论,结果符合很好,证明了由此四元数据库计算各相变温度的可靠性.再通过该数据库计算了Ti-Al-Fe-Mn四元系一系列合金的α+β/β相变温度,并将计算结果与前人的经验公式计算结果进行了对比,在此基础上建立了更准确的计算该体系相变温度的经验公式.上述结果可为钛......
CALPHAD技术在Co基粘结层合金制备中的应用张朝,储茂友,沈剑韵,刘宇阳,白雪北京有色金属研究总院摘 要:利用CALPHAD方法预测了Co基粘结层合金元素对相组成的影响,计算结果表明:Al对β′和γ相的析出量影响显著,Cr对σ相的析出量影响显著,从而确定了Al和Cr元素合适的成分范围分别于13%和22%附...合金靶材.关键词:CALPHAD;Co基粘结层合金;材料设计;热处理;......
was carried out using the CALPHAD method. The calculations show that there are three two-phase areas and two three-phase areas in the Cu-rich parts of the isothermal section of the phase diagram...-Ni-Si alloy system is carried out by the CALPHAD method, and the structure and proportion of various precipitates are simulated at different aging temperature in Cu-3.2%Ni-0.75%Si. The results can act......
文章编号: 1004-0609(2006)10-1778-09
fcc, hcp和bcc结构Au的原子状态及
物理性质随温度的变化关系
陶辉锦, 谢佑卿, 彭红建, 余方新, 刘锐锋, 李晓波
(中南大学 材料科学与工程学院, 长沙 410083)
摘 要: 结合纯金属单原子(OA)理论和Debye-Grüneisen模型, 采用CALPHAD方法确定的晶格稳定参数...子体积大小顺序为: fcc>bcc>hcp; 3种晶体结构原子势能大小顺序为: fcc