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Predicting the Transition between Upper and Lower Bainite via a Gibbs Energy Balance ApproachZenan Yang,Wei Xu,Zhigang Yang,Chi Zhang,Hao Chen,Sybrand van der ZwaagKey Laboratory of Advanced..., Northeastern University摘 要:The transition temperature between upper bainite and lower bainite is calculated with an extended Gibbs energy balance model......
, and the dynamic process of rock breaking under the free surface was studied including stressed zone, crush zone, crack initiation and propagation. Then the crack propagation conditions, specific energy, etc... an important role to the macro crack propagation when rock is broken by the disc cutter under the free surface. Figure 7 Variation of cutting force with penetration 3.1.4 Energy consumption The energy......
Study on the Surface Free Energy of Ground CaO by JGC付正义摘 要:CaO formed by decomposing CaCO3 at 1450℃ was ground in a vibrational mill, then the long-time ground sample was reheated at different temperatures. Inverse Gas Chromatography (IGC) was used to measure the variation of the sample’s surface free energy under grinding and reheating......
Free vibration of vibrating device coupling two pendulums using multiple time scales methodLI Jun(李珺), LIU Chu-sheng(刘初升), PENG Li-ping(彭利平), WANG Hong(王宏)(School of Mechanical and Electrical... analysis. Based on energy analysis, dynamic equations with cubic nonlinearities were established using Lagrange’s equation. In order to obtain approximate solution, multiple time scales method, one......
Calculation of solid-liquid interfacial free energy and its anisotropy in undercooled systemLing-Kang Wu1,Qiu-Lin Li1,2,Mo Li3,4,Ben Xu1,Wei Liu1,Ping Zhao1,Bing-Zhe Bai11. Key Laboratory of Advanced... interfacial free energy and its anisotropy are crucial quantities in determining the micros tructure and mechanical properties of materials.However, most researches mainly concerned the solidliquid......
A Study on the Standard Free Energy of Formation of LaNi5 and CeNi5肖理生,于化龙,王常珍,徐秀光摘 要:<正> The temperature dependence of standard free energy of formation of LaNi5,CeNi5 has been de-termined by galvanic-cell technique using 0.95LaF3·0.05CaF2 polycrystalline solid electrolyte.The cellused can be expressed as:Mo|La,LaF3|0.95LaF3·0.05CaF2......
Formation free energy of sodium stannate measured using β-β″-Al2O3 ceramic electrolyteZhi-Meng Wang1,Hong-Wei Xie1,Yi Zhang2,Yu-Chun Zhai11. School of Metallurgy and Materials, Northeastern...|Na-CrO2, Cr2O3|Pt was assembled by the β-β″-Al2O3 elec-trolyte tube to measure the open potential of the resulting battery, and the formation free energy of sodium stannate was calculated......
J. Cent. South Univ. (2015) 22: 413-420 DOI: 10.1007/s11771-016-3086-0 Free vibration analysis of non-homogeneous orthotropic plates resting on Pasternak elastic foundation by Rayleigh-Ritz method... Berlin Heidelberg 2015 Abstract: Free vibration analysis of non-homogeneous orthotropic plates resting on a Pasternak type of elastic foundation is investigated. A set of admissible orthogonal polynomials......
机仿真算法,利用计算机模拟研究了金属纳米晶的变温晶粒长大过程.实验证实铜纳米晶粒长大的动力学特征符合纳米晶热力学模型的计算预测结果. 关键词:金属纳米晶; 热稳定性; 纳米晶粒长大; 过剩体积; 晶界吉布斯自由能; nanocrystalline metal; thermodynamic stability; nanograin growth; excess volume; Gibbs free energy of nanograin boundary; [全文内容正在添加中] ......
SnF2标准生成Gibbs自由能的测定韩元山,王常珍,田彦文,翟玉春摘 要:采用LaF3单晶(掺杂)作为固体电解质,在多次抽空充氩气的操作箱内,将Pb,Sn磨细过筛,按照4∶1的比例分别将Pb,PbF2,Sn,SnF2混合并压成片·Pb PbF2为参比电极,Sn SnF2为工作电极,银丝为电极引线组成工作电池·电池的结构为:(+)Ag|Pb,PbF2|LaF3单晶(掺杂)|Sn,SnF2|Ag(-)·用高阻数字电压表准确测定了电池在293 15~353 15K范围内的电动势·以两种PbF2标准生成Gibbs自由能数据和电池电动势为基础,计算得到SnF2标准生成自由能同温度的关系·电池电动势测量的实验误差远远小于PbF2标准生成Gibbs自由能数据中所给定的误差,采用两种不同的PbF2标准生成Gibbs......
