However,understanding of the formation mechanism ofδ-ferrite and its influence on the mechanic properties of ultra-supercritical steels is still either ambiguous or conflicting.
采用光学显微镜、扫描电镜和能谱分析研究了含W型10%Cr(质量分数)超超临界钢中δ-铁素体的组织形貌与微观结构。
For the free-machining steel, some earlier investigations showed that the globular inclusions are more helpful than the thready inclusions to improve the machinability.
通过自行设计的高温显微切削装置,在不同温度上对含有球状稀土硫化物夹杂的易切削钢进行了高温显微切削实验,观察到球状稀土硫化物夹杂在显微孔洞扩展过程中发生滚动。
A random fractal model for the crack propagation of free-machining steelsduring impacting transversely was proposed.
建立横向冲击时易切削钢裂纹扩展的随机分形模型，计算了冲击断口的随机分形维数Ｄ，比较和分析了Ｄ、非随机分形维数与实测分形维数。
Inclusion morphology control in medium-carbon calcium sulphur free-cutting steel;
中碳钙硫易切削钢夹杂物形态控制
A Study on Smelting and Properties of Tin-Bearing Free-Cutting Steel;
含锡易切削钢的冶炼和性能研究
Process practice and analysis on free-cutting steel XY45;
易切削钢XY45的工艺实践与分析
Present Status and Development of Research on Free Cutting Steel at Home and Abroad;
国内外易切削钢的现状和研究进展
Present research status and prospects on free cutting steel at home and abroad;
国内外易切削钢的研究现状和前景
Through researching the chemical composition,properties and smelting process of the XY45 free cutting steel,the productive essentialities of this steel were mastered.
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。
Development of Environment-friendly Containing Bi Low-Carbon High-Sulfur Free-Cutting Steel
环保型含Bi低碳高硫易切削钢的开发
Practice for LF(VD) Refining of Medium Carbon Sulfur Free-Cutting Steel
中碳硫系易切削钢LF(VD)精炼实践
Optimization of Rate of Manganese to Sulfur for Free-cutting Steel 9SMn28 Based on CAFE Methods
基于CAFE法优化易切削钢9SMn28锰硫比
Study on Rolling Process and Properties of 46S20 Free-cutting Steel
易切削钢46S20轧制工艺及性能的研究
Optimization of Manganese,Silicon and Sulfur Contents in 9SMn28 Free-cutting Steel Based on a CAFE Method
基于CAFE法优化易切削钢9SMn28锰、硅、硫含量
Heat treated steels, alloy steels and free cutting steels. Part 11: wrought, case hardening steel
热处理钢、合金钢与易切削钢，第十一部分：锻造表面硬化钢
Elevated Temperature Ductility of Cast Bloom of Non-Quenched and Tempered Free Cutting Steel 38MnVS
非调质易切削钢38MnVS连铸坯的高温延塑性
Heat treated steels, alloy steels and free cutting steels. Part 5: wrought, quenched and tempered maganese steel
热处理钢、合金钢与易切削钢，第五部分：精炼调质锰钢（已撤销，由683.1-87取代）
Heat treated steels, alloy steels and free cutting steels. Part 7: wrought, quenched and tempered chromium steel
热处理钢、合金钢与易切削钢，第七部分：精炼调质钼钢（已撤销，由683.1-87取代）
Heat treated steels, alloy steels and free cutting steels. Part 8: wrought, quenched and tempered chromium nichek molybdenum stee
热处理钢、合金钢与易切削钢，第八部分：精炼调质铬镍钼钢（已撤销，由683.1-87取代）
This kind of steel is easier to machine or cut.
这种钢材容易加工或切削。
Free-cutting steel--Technical requirements
GB/T8731-1988易切削结构钢技术条件
free cutting stainless steel
易车(快削)不锈钢
MICRO ANALYSIS ON MODIFICATION TREATMENT OF NEW TYPE EASY CUTTING PLASTIC DIE STEEL
新型易切削塑料模具钢改性处理的微观分析
Research and Development of a New Kind Free-cutting Stainless Steel for Ball Pen Point
新型圆珠笔头用易切削不锈钢的研究与开发
The Effect of Cutting Conditions on the BuiIt.up Edge in Carbon Steel Cutting
切削碳钢时切削条件对积屑瘤的影响
Study on Cutting Temperature under Ultrasonic Hard Turning 45 Hardened Steel
超声硬切削45淬硬钢的切削温度研究
Cutting Process of 1Cr18Ni9Ti Stainless Steel
1Cr18Ni9Ti不锈钢的切削加工