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ndfeb合金
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  nd-fe-b alloys
     Surface Research of Mixed Sn Quenched Nd-Fe-B Alloys
     加锡快淬Nd—Fe—B合金的表面研究
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  “nd—fe—b合金”译为未确定词的双语例句
     Characteristics of Chilled Nd-Fe-B Alloyed Powder and the Application of in Motor Vehicles its Magnetic Iron
     激冷Nd—Fe—B合金粉末的特性及其磁铁在汽车上的应用
短句来源
     In this paper, result of measurement showed that the atomospheric corrosion products of Nd-Fe- B were composed of Nd(OH)_3γ-FeOOH, α-FeOOH,Fe_3O_4 and B_2O_3, but in the solution of NaCl the corrosion products involved the NdCl_3. The corro- sion products were varied with the pH value of the NaHSO_4 solution.
     测定结果表明,Nd—Fe—B合金大气腐蚀产物的主要组成为:Nd(OH)_3,γ—FeOOH,α—FeOOH,Fe_3O_4及B_2O_3,在NaCl溶液中则有NdCl_3生成。 在不同PH值的NaHSO_4溶液中,锈层的组成有所变化。
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  相似匹配句对
     agnetic Properties of Rapidly Quenched Nd-Fe-B Alloya
     快淬NdFeB合金的磁性研究
短句来源
     Hydrogenation of the Cast Alloy Nd Fe B
     熔铸Nd-Fe-B合金氢化行为的研究
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     Corrosion and Corrosion Resistance Surface Treatment of Nd Fe B Alloy
     Nd-Fe-B合金的腐蚀及防蚀表面处理
短句来源
     RESEARCH ON THE ROLE OF Nb IN Nd-Fe-B ALLOY .
     铌在Nd-Fe-B合金中的作用研究
短句来源
     The Soft Chemistry Synthesis of Nd-Fe-B uoy and the Contral of its Particle Fineness
     Nd-FeB合金的软化学合成和粒度的控制
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  nd-fe-b alloys
Solidification microstructure selection of the peritectic Nd-Fe-B alloys
      
Doping of Nd-Fe-B alloys with Tb and Dy was shown to increase coercivity and, accordingly, the temperature coefficient of magnetic induction.
      
WDX Analysis of Rapidly Quenched Nd-Fe-B Alloys with Ti?+?C Additives
      
Quenched stoichiometric Nd-Fe-B alloys with Ti?+?C additives, which improve the hard magnetic properties, were investigated by EPMA technique.
      
Based on an investigation of the phase correlations in the system Nd-Fe-B, a complete study of the hydrogen absorption of Nd-Fe-B alloys is presented, mainly concerning the permanent magnet material Nd2Fe14 B.
      
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The effects of the alloy composition,homogenization treatment and the dehydrogenation process in HDD treatment on the magnetic properties of NdFeB powders and bonded magnets are studied. The experimental results show that the NdFeB powders made by HDD process are stable with respect to time and temperature

研究了NdFeB合金成分、均匀化处理和HDD处理脱氢过程对磁性粉末及粘结磁体磁性能的影响。实验表明,HDD法制备的NdFeB粉末具有较好的温度稳定性和时间稳定性。

Magnetic properties and microstructures of NdFe B-type magnets containing Co havebeen investigated.The addition of Co to ternary NdFeB magnets was found to minimize thereversible temperature coefficient a(Br)due to the remarkable increase in Curie temperature(Tc)of magnets,Experimental results:show that a(Br)decreases exponentially with the in-crease of Cocontent,and that their relationship appears tobeatwo-stage curve in a semilo-gorithmic plot.Alf which is just superior to Mo,is the most effective alloying...

Magnetic properties and microstructures of NdFe B-type magnets containing Co havebeen investigated.The addition of Co to ternary NdFeB magnets was found to minimize thereversible temperature coefficient a(Br)due to the remarkable increase in Curie temperature(Tc)of magnets,Experimental results:show that a(Br)decreases exponentially with the in-crease of Cocontent,and that their relationship appears tobeatwo-stage curve in a semilo-gorithmic plot.Alf which is just superior to Mo,is the most effective alloying element in in-creasing coercivitiy of Co containing magnets, whereas Nb and V fail to eleminate the bad ef-fect of Co on coercivity. The negative effect of Al on a(Br)of the magnets with high Co con-tent could be ignored since the increase in Tc due to large amounts of Co is predominant。However,Al containing magnets have greaterB(iHc),thus resulting in rapid drop of iHc atelevated temperature,It is fortunate thatB(iHc)of the magnets containing Nb,Mo and V isobviously superior to that of Al containing magnet,

研究了含钴NdFeB系列稀土永磁体的磁性能与显微组织,Co加入到三元NdFeB磁体中显著提高磁体的居里温度Tc,因而大大改善了可逆温度系数α(Br).对实验数据的计算机拟合表明二者间符合指数函数关系,且在单对数坐标中表现为两阶段曲线.在多组元NdFeB合金系列中,Al是提高含Co磁体矫顽力最有效的元素,其次是Mo,而Nb和V则不能改善Co对矫顽力的有害影响.高Co磁体中,Al恶化α(Br)的作用已非主要,这是由于Co提高Tc的作用大于Al对Tc的降低作用,但含Al磁体的β(fHC)较大,导致fHc随温度上升而迅速下降.含Nb、Mo、V磁体的β(fHc)则显著优于含Al磁体.

Two alloys were atomized by 8. OMPa Argon gas. Optical microstructure observation and X-ray diffraction analysis authenticated that the obtained powder is mainly composed of a tetragonal Nd2Fe14B phase. The tHe value of the powder is relatively higher compared with that of the powder from pulverizing as-cast Nd-Fe-B alloy bulk,and gives rises after annealing at 973K for an hour, The iHc value varies with the rang of particle diameter, the more finer the powder particles are, the more higher the tHe value is....

Two alloys were atomized by 8. OMPa Argon gas. Optical microstructure observation and X-ray diffraction analysis authenticated that the obtained powder is mainly composed of a tetragonal Nd2Fe14B phase. The tHe value of the powder is relatively higher compared with that of the powder from pulverizing as-cast Nd-Fe-B alloy bulk,and gives rises after annealing at 973K for an hour, The iHc value varies with the rang of particle diameter, the more finer the powder particles are, the more higher the tHe value is. The initial magnetization behavion of the powder is analogous to that of conventional as-cast magnets.

用8MPa的Ar气雾化制取NdFeB合金粉末,光学金相观察和X射线衍射分析表明,粉末主要由Nd2Fe14B相组成。粉末具有一定的矫顽力,回火处理后矫顽力明显提高。不同粒度的粉末矫顽力存在差异,粉末越细其矫顽力越高。粉末初始磁化曲线与烧结NdFeB磁体相似。

 
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