共搜索到10784条信息,每页显示10条信息,共1079页。用时:0小时0分0秒386毫秒
Effect of Hot Isostatic Pressing Loading Route on Microstructure and Mechanical Properties of Powder Metallurgy Ti2AlNb AlloysJie Wu1,Ruipeng Guo1,2,Lei Xu1,Zhengguan Lu1,Yuyou Cui1,Rui Yang11... pressing(HIPing) technique was used to densify the Ti2AlNb pre-alloyed powder.The influence of HIPing loading route parameters(temperature and rates of heating and pressurizing)on microstructure......
复吹转炉预直炼法成渣路线分析王学斌1,冯明霞1,邹宗树1,赵国光2,刘正祥2(1.辽宁省沈阳市东北大学材料与冶金学院2.宝钢集团梅山有限公司,江苏南京 210039)摘 要:转炉成渣路线直接影响生产效率,而预直炼法脱磷期与脱碳期任务的不同,对成渣的要求应区别对待.从热力学和动力学两个方面,对预直炼法不同时期成渣路线进行了分析探讨.结果表明,铁水磷含量不同应选择不同的成渣路线,预直炼法脱磷期和脱碳期成渣路线有明显不同.脱磷期铁水中磷含量较高,脱磷的驱动力较大,主要通过改善动力学条件来加快脱磷,宜采用铁质成渣路线.......
) via an ultrasound irradiation route using mimosa pudica (m. p.)leaves extract as a bio-surfactant. The morphological behavior of the prepared samples was extensively studied by varying......
) via an ultrasound irradiation route using mimosa pudica (m. p.)leaves extract as a bio-surfactant. The morphological behavior of the prepared samples was extensively studied by varying......
chloride hexahydrate[J]. The Chinese Journal of Nonferrous Metals, 2021, 31(5): 1413-1421. DOI: 10.11817/j.ysxb.1004.0609.2021-37810 随着稀土应用领域的逐步增大,稀土作为战略资源,已受到国内外科研领域的关注和重视,稀土资源的开发和冶炼也成为有色金属领域的研究焦点[1-4].独居...过分阶段控制焙烧温度来提高独居石的分解率. REFERENCES [1] FOX R V, AASY W E, BAEK D L, et al. Extraction behavior of selected rare earth metals from acidic chloride media using tetrabutyl diglycolamide[J]. Solvent......
, and the interaction of AlCl, AlCl2, AlCl3 with Al4CO4, Al2CO and Al4C3, respectively, thermodynamic analyses were used to study the chloride reaction production of them under the vacuum situation. The stable... is in the sequence of Al4CO4<Al2CO<Al4C3, while the interaction strength of AlCl with Al4CO4, Al2CO and Al4C3 is in the sequence of Al4CO4>Al2CO>Al4C3.Key words:Ab initio; chloride reaction......
ARTICLE J. Cent. South Univ. (2019) 26: 1521-1529 DOI: https://doi.org/10.1007/s11771-019-4108-5 Na2FePO4F/C composite synthesized via a simple solid state route for lithium-ion batteries HU Hai(胡海... reaction could be a practical and effective synthetic route for the industrial production of Na2FePO4F/C material. Key words: lithium-ion batteries; Na2FePO4F/C composite; alcohol-assisted ball milling......
-thaw concrete after electrochemical chloride extraction GUO Yu-xia(郭育霞), GONG Jin-xin(贡金鑫) State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024...; Abstract: The effect of electrochemical chloride extraction (ECE) on bond strength between steel bar and freeze-thaw concrete contaminated......
......
;结构耐久性;微观结构Chloride ion threshold for underground structure durability estimation exposured to chloride ions invading in GuangzhouCHEN Xiao-bin1, 2, TANG Meng-xiong2, HU He-song2, MA Kun-lin1(1. School of Civil Engineering, Central South University, Changsha 410075, China; 2. Guangzhou Institute of Building Science, Guangzhou 510440, China)Abstract:According to the chloride invading environment’s......