稀土硅铁

本文研究用稀土硅铁和SG变质剂作联合球化剂，而不用含镁的合金来处理球墨铸铁。

A new inoculant SG allied with rare earth ferro silico instead magnesium as a spheroidizing agent was investigated .

该文利用正交设计试验探讨了Nb、V、Cu在高铬锰白口铸铁中的合金化作用和稀土硅铁的变质作用。

An investigation was concerned with the effect of alloying elements Nb , V , Cu and rare earth ( RE ) modifier on the structure and properties of high Cr Mn white cast iron ( 15 % Cr , 4 % Mn ) by means of orthogonal matrix .

采用炉前加入1稀土硅铁合金、Ti-Fe、V-Fe、Nb-Fe对铸造多元高合金冷作模具钢进行变质处理，细化了晶粒，使连续网状碳化物断网。

By adopting the 1 # RE-Si-Fe , Ti-Fe , V-Fe , Nb-Fe , the high carbon and high alloy cold - working mould steel is modified . The results show that the carbide of consecutive reticulation is cut and the crystal is diminished .

稀土硅铁合金对硼铸铁性能的影响

Effects of RE-Si Modification Treatment on Properties for Boron Cast Iron

稀土硅铁雾化制粉机理的高速摄影分析

The high-speed photographic analysis of atomizing process of Fe-Si ferroalloy

多品种重稀土硅铁合金的试生产

The Test Production of Varieties of Heavy RE Si-Fe Alloy

稀土硅铁稀土镁硅铁合金中钙镁锰的联合测定

United determination of calcium , magnesium and manganese in rare-earth-silicon-iron and rare-earth-magnesium-silicon-iron

稀土硅铁对高铬白口铸铁组织及性能的影响

Effects of RE-SiFe on structure and properties of high-chromium white cast iron

低碳铬铁和稀土硅铁的变质效果次之。

The modification effects of low-carbon ferrochromium and rare-earth ferrosilicon take second place .

对喷熔层进行了显微组织分析以及磨粒磨损试验，探讨了稀土硅铁提高组合粉喷熔层耐磨性的原因。

Influence of rare earth on microstructure of spray-melted coatings is also investigated .

稀土硅铁合金粉化原因的探讨

On the self-powdering of re-si-fe alloy the reason

重稀土硅铁对焊缝金属冲击断口的影响

Effect of heavy rare earth & silicoferrite elements on notch fracture of weld metal

稀土硅铁孕育处理对铬钼铜马氏体白口铸铁组织与性能的影响

The influence of rare-earth ferro-silicon inoculating on the structure and properties of crmo-cu martensitic cast iron

同时还对稀土硅铁制粉过程应用高速摄影技术进行了分析，对雾化制粉的机理进行研究。

For analysing the mechanism of atomizing process , a high speed photographic technology is used .

X-射线荧光光谱法测定稀土硅铁合金中锰硅铝钙钛

Determination of Mn , Si , Al , Ca , Ti in rare earth ferrosilicon alloy by X-ray fluorescence spectrometry

用不同熔炼方法熔炼的稀土硅铁合金熔制的球化剂对铸铁中石墨的球化能力的影响是不同的。

Effect of different spheroidizers with rare earth ferrosilicon alloy melted by different melting method on the spheroidizing ability is different .

采用稀土硅铁、低碳铬铁和复合变质剂对中铬铸铁进行变质处理后，组织细化、性能提高；

The experiment results showed the structure was refined and the properties were enhanced after adding modificator , such as rare-earth ferrosilicon .

以喷吹稀土硅铁合金粉剂，在铁水包中对冲天炉铁水进行球化，蠕化、变质处理，探讨生产条件下喷吹工艺对石墨形状、金相组织及材质性能的影响。

The influence of spray of Re silicide powder in cupola iron melt on the graphite morphology , microstructure and mechanical properties was investigated .

分散剂粒度以100-120目为宜。金属渗剂中稀土硅铁合金的合适添加量为1.5%。

And the ideal size of dispersant is 100-120 . As the addition agent in the metal penetrant agent , rare earth silicon iron alloy ideal content is 1.5 % .

提出了用硼酸作粘合剂，粉末压片-X-射线荧光光谱法测定稀土硅铁合金中锰硅铝钙钛的方法。

A method for the determination of Mn , Si , Al , Ca and Ti in rare earth ferrosilicon alloy by X-ray fluorescence spectrometry using boric acid as adhesive of pressing powder was proposed .

方法用于稀土硅铁合金中锰硅铝钙钛的测定，结果与国标方法测定结果基本吻合。

This method was applied to the determination of Mn , Si , Al , Ca and Ti in rare earth ferrosilicon alloy , and the results were in coincidence with those obtained by national standard method .

采用0.9%稀土硅铁变质后的高铬铸铁，经980℃淬火加热，450℃回火后，硬度达62.1HRC，达6.9J/cm，较原衬板的性能有着显著的提高。

The high-Cr cast iron which is modified by 0.9 % RE-SiFe and is tempered at 450 ° C has the hardness of 62.1 HRC and the impact toughness of 6.9J/cm2 and it has much better performance than original liner .

在950℃、含15%Cr2O3硼砂体系中加入8%稀土硅铁镁合金，具有较好的铬碳化物覆层形成能力，流动性好，老化周期长，工艺性能良好。

The results show that the addition of 8 % RE Si Fe Mg can make the borax system with 15 % Cr 2O 3 have better chromium carbide layer formation ability and excellent technical properties than that of Al or Si at 950 ℃ .

实验结果表明：孕育处理的铸件中，选择40%稀土+60%75硅铁复合孕育剂，灰铸件抗拉强度可稳定在250MPa左右，并且断面敏感性可降低到20HB，品质系数良好。

The results show that tensile strength is higher than that of 250 MPa , sensibility of section hardness is reduced to 20 HB and metallurgy quality is improved for the gray cast iron inoculated using 60 % 75SiFe + 40 % RE compound inoculants .

稀土镁硅铁合金中的氧化镁夹杂物

Magnesia Inclusion in Rare Earth Magnesium Ferrosilicon Alloy

重稀土镁硅铁合金对纯镍铸铁焊条焊缝的影响

Effects of Alloy Containing Heavy Rare Farth 、 Mg 、 Si And Fe on Covered Electrode with 99.5 % Nickel Core for Cast Iron

20%稀土+80%75硅铁复合孕育剂处理的缸体用灰铸铁件具有最小断面敏感性和刀具磨损量，有优良的切削加工性能。

While , the gray cast iron inoculated with 80 % 75SiFe + 20 % RE compound inoculants has the best process-ability and the least sensibility of section hardness .

包头稀土精矿冶炼稀土硅铁合金新工艺技术分析

Technical Analysis of New Process for Production of RE Ferrosilicon Using Baotou RE Concentrate

叙述了在电弧炉中用稀土富渣、硅铁、重晶石、石灰等原料冶炼稀土硅钡镁合金的研制过程。

Smelting of SiMgREBa alloy with rare earth rich slag , barite and lime in electric-arc furnace is introduced in the paper .

试验结果表明，在复合孕育处理的灰铸铁件中，选择40%稀土孕育剂+60%75硅铁孕育剂复合孕育处理的灰铸铁件抗拉强度可稳定在295MPa左右，且硬度合适并具有良好的品质系数。

The results show that tensile strength is higher than that of HT 295 grade , and metallurgy quality is improved for the gray cast iron inoculated using 40 % RE + 60 % 75 SiFe compound inoculants .