易切削钢

易切削钢中Ca含量与硫化物形态的定量研究

A Quantitative Study on the Relationship between calcium Content and Sulfide Morphology in Free Cutting Steel

环保型含Bi低碳高硫易切削钢的开发

Development of Environment-friendly Containing Bi Low-Carbon High-Sulfur Free-Cutting Steel

中碳硫系易切削钢LF（VD）精炼实践

Practice for LF ( VD ) Refining of Medium Carbon Sulfur Free-Cutting Steel

Fe-Cu-C-MnS烧结易切削钢中MnS的透射电镜分析

The observation on MNS offe-cu-c-mns sintered easy cutting steels

易切削钢中Ca-Al-O-Mn-S系氧硫化物变性的热力学计算

Thermodynamical calculation about the modification of ca-al-o-mn-s oxysulfide in free-cutting steel

本文对易切削钢中Ca-Al-O-Mn-S系氧硫化物变性进行了热力学计算。

Thermodynamical calculation about the modification of Ca-Al-O-S-Mn oxysulfide in free-cutting steel has been made .

通过对XY45易切削钢的成分、性能、冶炼工艺的探索，掌握了该钢种的生产要点。

Through researching the chemical composition , properties and smelting process of the XY45 free cutting steel , the productive essentialities of this steel were mastered .

研究了在18t钢包中采用喷粉方法生产的钙系与钙硫系易切削钢中非金属夹杂物对切削性能的影响。

The effects of non metallic inclusions on the machining properties of Ca and Ca S free machining steels , which were made in 18 t ladle by means of powder injection , were presented .

用喂线法控制增硫生产含硫易切削钢技术处理时间短仅2min左右，大大降低微调增硫工艺时间，电耗和材料消耗大大降低，现场环境改善，污染降低。

Technology for Producing Free-cutting Sulfur-containing Steel with Cored Wire Injection of Sulfur Addition The experimental results show that the mean recovery efficiency of sulfur was 76 % , the treatment time of feeding was 2 minutes or so , and the melting period was shortened .

易切削钢硫化物特性分布数理统计分析

Statistical Analysis on Distribution of Sulphide for Free - cutting Steel

研制了一种含锡的环保型易切削钢，并进行了切削性能和力学性能测试。

The machining and mechanical tests of the steel were conducted .

用钙和稀土联合处理研制低碳易切削钢

Development of low carbon free cutting steel through calcium-rare earth treatment

对易切削钢中与切削加工性相关的组织分析

Structure analysis related to cutting and processing in high machinability steel

提高钙易切削钢的切削性能

Improvments on Machinability of calcium treated free - machining steels

机械结构用无铅易切削钢的发展

Development of Free Cutting Steel for Machine Structure without Lead

含锡易切削钢的冶炼和性能研究

A Study on Smelting and Properties of Tin-Bearing Free-Cutting Steel

稀土易切削钢中稀土硫化物夹杂的性能与作用的研究

Investigation of the Properties and Functions of RE Sulfide in Free-Machining Steel

以锡代铅研制环保型易切削钢

Development of Non - leaded Free - Cutting Steel by Adding Tin

半镇静易切削钢中氧活度的测定与控制

Oxygen activity determination and control in free cutting semi-killed steel

易切削钢切削机理的试验研究

An Experimental Investigation of Cutting Mechanism for Free-Cutting Steel

易切削钢中碲化物的形成和行为

Formation and behavior of Telluride in free cutting steels

硫复合系易切削钢中夹杂物热变形行为的数值模拟

Numerical Simulation of the Deformation Behaviour of Inclusions in S-RE System Free-Cutting Steel

钙-硫易切削钢的研究

Study on the CA - s free cutting steel

易切削钢冲击断口分维的随机分形分析

Random fractal study of fracture surface of free-machining steels

易切削钢中稀土夹杂物类型的预测

Prediction of Rare Earth Inclusion in free cutting steel

还原加镁法研制新型易切削钢

Development of a novel type of free cutting steel by adding magnesium through reduction

国内外易切削钢的现状和研究进展

Present Status and Development of Research on Free Cutting Steel at Home and Abroad

分析了我国易切削钢现阶段存在的问题，并提出了易切削钢的发展方向。

The problems at present stage and the trend for free-cutting steel are proposed .

非金属夹杂物对钙系与钙硫系易切削钢切削性能的影响

Effect of Non-Metallic Inclusions on Cutting Character in Ca and Ca-S Free Machining Steels

易切削钢线材的开发研究

Research on Developing Free-cutting Steel Wire Rod