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. 关键词: 储氢合金; 机械合金化; 相组成; 热稳定性 中图分类号:TG139.7 文献标识码:A 文章编号: 1672-7207(2005)01-0010-05 Phase Structure of Mg-La-Ni AlloysPrepared by Mechanical Alloying MENG Mian-wu1,2,LIU Xin-yu2,3,CHENG Jun2... 541004, China;3.School of Materials Science and Engineering, Central South University, Changsha 410083, China) Abstract: The effects of mechanical alloying and heat treatment on the phase composition......
; 文章编号:1672-7207(2011)05-1254-07 Phase structure and thermal stability of prepared FHA powders ZHOU Hong-ming1, 2, ZENG Lin1, YI Dan-qing1, GUO Yan-jun1, JIA Xiao-hui1, LIU Shan1, HE Jun-jie1... and calcination temperature on the phase composition, structure, lattice parameters, unit cell volume, density and thermal stability at high temperature. The results show that CaF2 phase is detected......
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systems to improve power system stability Abdolkhalegh Hamidi, Jamal Beiza, Ebrahim Babaei, Sohrab Khanmohammadi Departement of Electrical Engineering, Shabestar Branch, Islamic Azad University... current/high voltage direct current (HVAC/HVDC) power system is presented to study power system stability. It is well known that appropriate coupling of inputs-outputs signals in the multivariable HVDC......
Evaluation on elevated-temperature stability of modified 718-type alloys with varied phase configurationsZhan Qiao1,Chong Li1,Hong-jun Zhang2,Hong-yan Liang1,Yong-chang Liu1,Yong Zhang31. State Key...="ChDivSummary" name="ChDivSummary">Inconel 718 is a Ni–Fe-based superalloy widely used in aerospace engines because of its excellent mechanical properties. However,the inferior stability of the γ″ phase limits......
Influence of Sodium Carbonate Amount on Crystalline Phase and Structure Stability for Doping Nickel Hydroxide赵腾起,朱燕娟,LI Wenhua,FENG Zuyong,ZHANG Wei,JIAN XiuwenSchool of Physics and Optoelectronic... defect is that α-phase is difficult to synthesize and easily transformed to β-phase Ni(OH)2 upon aging in a strong alkaline solution. In this study, the Al-Co, Al-Yb, Yb-Co and Al-Yb-Co multiple doping......
Effects of Ru on the microstructure and phase stability of a single crystal superalloyZhen-xue Shi, Jia-rong Li, and Shi-zhong Liu Science and Technology on Advanced High Temperature Structural... and phase stability of the single crystal superalloy were investigated. γ′ directional coarsening and rafting were observed in the Ru-free alloy and Ru-containing alloy after long-term aging at 1070?C......
J. Cent. South Univ. (2019) 26: 1687-1695 DOI: https://doi.org/10.1007/s11771-019-4125-4 Probabilistic seismic stability of three-dimensional slopes by pseudo-dynamic approach PAN Qiu-jing(潘秋景)1... is a rational approach for engineering design because it provides more insight than traditional deterministic analysis. Probabilistic evaluation on seismic stability of three dimensional (3D) slopes......
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