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Stability of electrodeposited amorphous Ni-Fe-P alloys GAO Cheng-hui(高诚辉) College of Mechanical Engineering, Fuzhou University, Fuzhou 350002, China Received 28 February 2006; accepted 20 June 2006 Abstract: The stability of the electrodeposited amorphous Ni-Fe-P alloys was studied by DTA, DSC, XRD and improved four-ball wear tester in order to clear its applied scope. The results show......
Fe-Ni合金超精细场分布的计算机算法金明芝,孙绍周,于恩华摘 要:本文根据B.Window的数学模型,提出一种由展宽的穆斯堡尔谱解算Fe-Ni合金超精细场的计算机算法,编制了用于NORD-500计算机和PDP-11/23微型机的程序(附框图);并讨论了影响拟合谱品质的程序参数.关键词:......
-kinetic stabilization criterion has been tested by current experiment results of Fe-Y alloy and previously published data of Fe-Ni, Fe-Cr, Fe-Zr and Fe-Ag alloys,etc., which opens a new window...A strategy for designing stable nanocrystalline alloys by thermo-kinetic synergyH.R.Peng1,2,B.S Liu1,F.Liu1,2,31. State Key Laboratory of Solidification Processing, Northwestern Polytechnical......
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Microstructure and mechanical properties of ZA62 based magnesium alloys with calcium addition WAN Xiao-feng(万晓峰)1, SUN Yang-shan(孙扬善)1, 2, XUE Feng(薛 烽)1, 2, BAI Jing(白 晶)1, 2, TAO Wei-jian(陶卫建... Engineering Research Center For Magnesium Alloys, Nanjing 211224, China Received 6 June 2009; accepted 3 September 2009  ......
共沉淀法制备Fe-Ni合金粉末的热力学分析周向阳,罗楚城,王辉中南大学冶金与环境学院摘 要:通过共沉淀-热分解还原法,研究了一种容易实现的大规模制备Fe-Ni合金粉末的方法,根据质量守恒和同时平衡原理,建立了Ni2+-Fe22+-C2O42--C2N2H8-H2O体系的热力学分析模型,并根据模型进行了相关计算,绘制了溶液中金属离子浓度对数-pH图,系统研究了沉淀过程中溶液pH值对溶液中各离子浓度的影响.结果表明,当pH值为3.5时,溶液中镍离子和亚铁离子的总浓度[Ni2+]T,[Fe2+]T达到一致,镍离子和亚铁离子的沉淀率相同,且沉淀基本完全,此时能够得到成分均匀性良好的Fe-Ni前驱体粉末.然后,将前驱体粉末在氢氩混合气氛中进行热分解还原,最终得到符合预期Ni/Fe摩尔比的合金粉末.
Fe-Ni磁性温度感知合金与高温钠的相容性研究张金权,许咏丽,谢淳,付晓刚,龙斌中国原子能科学研究院摘 要:磁性温度感知合金可用于钠冷快堆非能动停堆系统,当堆内温度高于磁性合金居里点时,与合金连接的控制棒掉落堆芯,实现安全停堆.本工作对新研发的Fe-Ni磁性温度感知合金与530℃,560℃,600℃高温核级钠相容性开展了试验研究;试验后,进行了腐蚀深度,微观形貌以及表面腐蚀产物等分析.结果表明:试验后Fe-Ni合金表现为微小增重,随温度升高平均增重率升高;结合宏观形貌和线扫描能谱分析,表明样品表面形成了含锰氧化膜,该膜层可有效地阻止材料组分元素的溶解.经高温钠浸泡后,样品表面未发现点腐蚀和晶间腐蚀等局部腐蚀迹象,表明材料在高温钠中有较好的耐蚀性能.关键词:非能动停堆系统;Fe-Ni磁性合......
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Synthesis of LiCoxNi1-xO2 cathode materials from electrolysis Co-Ni alloys YE Mao(叶 茂)1, WEI Jin-ping(魏进平)1, CAO Xiao-yan(曹晓燕)2, ZHAI Jin-ling(翟金玲)1, WANG Xiao-yu(王晓宇)1, SUN Xin(孙 欣)1...; Co-Ni alloys CLC number: TM912.9 Document code: A 1 INTRODUCTION Lithium ion battery is considered the most promising energy storage device at present because of its high discharge voltage......
高温固相扩散处理对开孔泡沫Fe-Ni力学性能的影响庞秋,武高辉,修子扬,孙东立哈尔滨工业大学摘 要:采用高温固相扩散处理对开孔泡沫Fe-Ni进行合金化,研究了不同处理温度,不同保温时间对泡沫Fe-Ni压缩性能及能量吸收特性的影响.采用扫描电镜(SEM)对合金化后的泡沫Fe-Ni进行形貌观察,并利用线扫描分析合金化前后两种元素的扩散情况;对合金化前后的泡沫Fe-Ni进行了纳米压痕试验和准静态压缩试验,研究了泡沫Fe-Ni网丝硬度,准静态压缩力学行为及其吸能性.结果表明:经高温固相扩散处理后,泡沫Fe和Ni镀层界面上发生了Fe-Ni的互扩散,形成(Fe,Ni)无限固溶体结构;随着温度升高,保温时间增长,Fe,Ni元素分布更趋于均匀化,泡沫Fe-Ni网丝平均纳米硬度值更高.1200℃高温固相扩散2h后泡沫......