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Effect of melt superheating treatment on crystallization behavior and magnetic properties of melt-spun Fe-rich Nd-Fe-B ribbons盛洪超1,曾燮榕1,胡强2,3,邓飞11. School of Materials Science and Engineering...="ChDivSummary">Melt-spun Nd7Fe90B3 ribbons were prepared under different melt treatment conditions,i.e.,the melt temperature was varied prior to ejection onto the quenching wheel.The microstructure......
Preparation of AZ91D magnesium alloy semi-solid billet by new strain induced melt activated method JIANG Ju-fu(姜巨福)1, 2, LUO Shou-jing(罗守靖)1, ZOU Jing-xiang(邹经湘)2 1. School of Materials Science...; accepted 6 April 2006 Abstract:New strain induced melt activated (new SIMA) method for preparing AZ91D magnesium alloy semi-solid billet is introduced by applying equal channel angular extrusion......
. [10] OCELIK J A, HOSSON J T M D. Ti-6Al-4V strenghened by laser melt injection of WCp particles [J]. Acta Materialia, 2002, 50: 4913-4924. [11] YUE T M, WU Y X, MAN H C. Laser surface treatment... Microstructures of surface modification layer on Q235 steelproduced by laser melt injection of WC LI Fu-quan(李福泉), CHEN Yan-bin(陈彦宾), LI Li-qun(李俐群) State Key Laboratory of Advanced Welding......
extrusion and quenching/aging have been tested. The results show:melt over-heating treatment of 2618 alloy with high contents of Fe and Ni at 960° Cled to finer and better-distributed needle-like...EFFECT OF MELT OVER-HEATING AND ZIRCONIUM ALLOYING ON THE MORPHOLOGY OF Al9FeNi PHASE AND MECHANICAL PROPERTIES OF 2618 ALLOY J.H.Wang1,D.Q.Yi2 (1.Mechanical Engineering Institute of Xiangtan......
J. Cent. South Univ. (2016) 23: 2754-2762 DOI: 10.1007/s11771-016-3337-0 Effect of melt spinning on gaseous hydrogen storage characteristics of nanocrystalline and amorphous Nd-added Mg2Ni-type... prepared by melt spinning technology and their structures as well as gaseous hydrogen storage characteristics were investigated. The XRD, TEM and SEM linked with EDS detections reveal that the as-spun......
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熔体过热处理对一种镍基合金氮含量的影响裴忠冶1,田彦文2(1.北京市恩菲工程技术有限公司2.东北大学 材料冶金学院,沈阳110004)摘 要:研究在采用CaO坩埚真空感应熔炼的条件下,经不同温度的熔体过热处理后,一种镍基合金中氮含量的变化,并对镍基合金中脱氮机理进行了探讨.结果表明,在采用相同的浇注温度和模壳温度条件下,提高熔体过热处理温度能促进合金的脱氮,且试验值与理论预测值吻合的较好.超过1 790℃时,合金产生吸氮现象.采用稳定性较高的CaO坩埚,合金中氧含量一直保持在较低的水平.关键词:镍......
Development of magnesium composite alloy by a new method combining B2O3 addition and melt stirring BU Le-ping(卜乐平)1,2, S. TANAKA1, M. TSUSHIDA3, S. ANDO3, H. TONDA3 1. Graduate School... Abstract: For developing high performance magnesium alloys, a new method in combination of B2O3 addition and melt stirring was applied. When 0, 3%, 6% and 12%( mass fraction) B2O3 was added into pure Mg......
Characterization of phases in Mg-10Y-5Gd-2Zn-0.5Zr alloy processed by heat treatment WANG Qu-dong(王渠东)1, GAO Yan(高 岩)1, 2, YIN Dong-di(尹冬弟)1, CHEN Chang-jiang(陈长江)1 1. National Engineering..., XRD, SEM and EDS. The mechanisms of microstructure evolution were discussed. The results show that, after high temperature heat treatments, the Mg12ZnY phases still exist. During solution-treatment......
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