母合金

低氧速凝工艺制备RE（Nd，Pr）-Fe-B稀土永磁母合金的研究

Research on Preparing RE ( Nd , Pr ) - Fe-B Rare Earth Permanent Magnet Alloy by Hypoxia-Strip Casting Method

而蒸发Al含量较高的母合金时，容易得到-γAl3Ni2相，且粉末中化合物相的相对含量显著减少；

On the other hand , when master alloys rich in Al are evaporated ,γ - Al_3Ni_2 is easy to form in the nanometer powders , and the relative amount of compound phases decreases obviously .

提出了在电解槽中直接电解得到Al-Mg母合金的方案。

A plan for producing of Al-Mg master alloy by direct electrolysis of MgO in cell was put forward .

Ni2Al3母合金相碱沥滤生成的镍晶粒成行排列的透射电镜观察

In situ TEM observation of an arrangement in a row of the nickel crystallites produced during leaching of ni_2al_3 phase

因此需要严格控制K6母合金质量和选择合理的重熔浇注工艺参数。

Therefore , it is necessary to control the quality of raw and processed materials of K6 alloy and to select suitable technological parameters for melting and casting .

经HD处理的合金基本保持了母合金的相组成，对合金具有很好的破碎效果，同时其工艺过程比较容易实现，最佳HD温度为350℃。

All the four kinds of alloys retained the composition of the master alloy after HD treatment . HD treatment had an excellent pulverizing effect and the process is easy to carry out . The optimal temperature for HD was determined to be 350 ℃ .

采用电弧熔炼母合金、普通铜模吸铸工艺，制备出尺寸规格为20mm×10mm×1mm的板状Fe-Co-Zr-Mo-W-B系Fe-基大块非晶合金。

With processes of arc melting alloy ingots and conventional copper mold suction casting , a plate Fe-based bulk amorphous alloy in Fe-Co-Zr-Mo-W-B system of the size of 20mm × 10mm × 1mm was prepared successfully .

在0.5t中频感应炉中，用海绵铁作原料，采用适当的冶炼工艺制度，可以冶炼符合GB9971-88标准的纯铁，产品可以满足冶炼高级合金钢、高温合金和非晶母合金的需要。

The pure iron according with GB 9971-88 standard can be produced with sponge iron in 0.5t medium frequency induction furnace in appropriate technological schedule . The products can meet the needs of smelting high alloy steel , high temperature alloy and noncrystal alloy .

铌基共晶自生复合材料（NBISC）经真空自耗电弧熔炼成母合金锭，采用高温度梯度的电子束区熔装置制备定向凝固的试样，分析其组织特征。

An ingot of Nb based in-situ composites ( NBISC ) was produced by a vacuum self-consuming arc melting furnace . The directionally solidified samples were prepared by an electron beam floating zone melting ( EBFZM ) furnace with a high temperature gradient , and their microstructural characteristics were analyzed .

磺基水杨酸光度法测定铍铜母合金中的铍

Spectrophotometric Determination of Beryllium in Alloy of Copper-beryllium by Sulfosalicylic Acid

含硅锰母合金烧结钢机理研究

Study of mechanism of sintering steel containing Si-Mn master alloy

提高速凝铸带母合金制备的烧结钕铁硼磁体磁性能的研究

Improving Sintered Nd-Fe-B Magnets Properties Prepared with Strip Casting Alloy

硅锰母合金对烧结钢性能和组织的影响

The influence of SM master alloy on the microstructure and properties of sintered steel

非晶态母合金的生产与应用

Production and application of a amorphous master alloy

那些较大的原硅锰母合金颗粒的组织随温度的升高而变化。

The structure of original larger silicon manganese master alloy changes with temperature increasing .

纳米镍基催化剂母合金的快速凝固过程微观结构研究

Study on microstructure of master alloy for nanoscale nickel-based catalysts during the rapid-quenching process

在固液反应球磨过程中，三元合金产物的元素摩尔比接近于二元母合金中的元素摩尔比；

The atom ratio of the ternary alloy was close to that of the binary alloy .

但添加硅锰母合金对冲击韧性有不利影响。

But the addition of SM master alloy has some deleterious effect on the toughness of sintered steel .

快速凝固、粉末冶金和喷射沉积所用的母合金在真空感应炉中熔炼。

The maser alloys for rapid solidification , powder metallurgy and spray and deposition investigations are prepared in vacuum induction furnace .

在超高温高真空热处理炉上对母合金材料进行了1250℃、1350℃和1450℃的高温热处理。

The samples were heat treated at 1250 ℃, 1350 ℃ and 1450 ℃ respectively in an ultrahigh-temperature high vacuum heat-treatment furnace .

观察了含硅锰母合金烧结钢的组织变化和合金元素锰、硅的分布情况。

The structural changes of silicon manganese containing master alloy and the distribution conditions of manganese and silicon components have been observed .

利用高温拉伸氧化炉对母合金态试样进行了高温氧化实验，分析了材料的氧化组织及高温氧化动力学。

Oxidation experiments for the arc-melted specimens at high temperatures were carried out with the use of self-made high temperature oxidation furnace with tensile stress .

本文用熔盐电解制备的铅钙母合金炼制商品化合金时，采取双重保护措施使钙的收率稳定。

Lead-calcium intermediate alloy was prepared by fused salt electrolysis and further smelled into commercial alloys suitable for positive and negative grids of maintenance-free lead-acid batteries .

通过添加硅锰母合金，将硅、锰这两种对氧亲和力较高的元素加入到烧结钢中，以改善烧结钢的力学性能。

The SM master alloy was used to add high oxygen affinity elements Mn and Si into the sintered steel as alloying elements to improve the mechanical properties .

在选定母合金的情况下，必须控制好高硅合金的混合温度，合适的混合温度才能得到初生相尺寸细小、分布均匀的组织和性能优良的铸件。

The mixing temperature of high silicon alloy is controlled strictly when another master alloy is fixed . A casting with finer primary Si phase and its uniform distribution can be got when the mixing temperature is suitable .

该铝锰硅复合脱氧剂的生产工艺分二步进行：第一步先在矿热炉内利用贫锰矿冶炼母合金，第二步采用炉外精炼的方法去除杂质和调整合金成分。

Abstract The process of producing Al-Mn-Si complexing deoxidant is divided into two steps : the first is smelting foundry alloy in submerged are furnace with lean manganese ore , the second is eliminating impurity substance and adjusting alloy component by softening out of furnace .

在生产条件下制备Tb0.3Dy0.7Fe2定向凝固合金的新工艺包括：利用真空悬浮熔炼技术为定向凝固提供杂质水平低，成分均匀，一致性好的优质铸造母合金棒；

The new process technology to produce the directional solidified Tb_ ( 0.3 ) Dy_ ( 0.7 ) Fe_2 alloy is as follows . Vacuum suspension smelting process is used to cast high-quality base alloy bar with low impurity , even components and high homogeneity for directional solidification .

从综合效果来看，以母材6061合金匹配4043焊丝为佳；

In light of the comprehensive effect , the 6061 aluminium alloy matched with 4043 aluminium solder wire is the best ;

电渣母材用GH1040合金的VOD精炼

VOD Refining of Superalloy GH 1040 for ESR

两种不同成分的母合金相比较，硅、锰含量高的母合金对烧结钢的力学性能影响较显著。

By comparing the SM master alloy s with two different compositions , the effect of SM master alloy with high content of Si and Mn is more remarkable .