The results showed that the major cause of reducing diameter was more non-metallic inclusion in the steel than standard value, billet segregation and shrinkage void.
用扫描电镜、大型金相显微镜观察分析高碳钢盘条的缩径，结果表明：造成缩径的主要原因是盘条中的非金属夹杂物超标、方坯偏析和缩孔。
The result indicated that the Al - Mn- Fe alloy deoxidant can increase utilization ration of aluminum, decrease content of oxygen and nitrogen and inclusion in the steel.
铝锰铁复合脱氧剂脱氧与铝铁脱氧比较，可提高铝的利用率，降低钢中氧、氮气体及夹杂物含量，有利于减少连铸水口堵塞，提高钢液的纯净度。
The inclusion in steel deeply affected the acoustic emission of material.
钢中夹杂物对材料声发射现象有较大的影响。
AlN is a sort of non-metal inclusion in steel, it affects the performance of steel to a certain degree.
氮化铝是钢中存在的一种非金属夹杂物，对钢材性能有一定的影响。
The result indicates that the large grain brittle inclusion in the molten steel is the key factor can lead to brittle fracture.
通过对高碳帘线钢线材断口试样的检验分析，认为钢中大颗粒脆性夹杂物是导致脆断的重要原因。
The result was:this process can reduce the inclusion and oxygen in steel, improve the mechanical property, increase economic efficient and perfect the working condition.
试验结果表明：本工艺可降低钢中氧含量及夹杂物含量，改善钢材机械性能，提高经济效益，改善工作环境。
The system can provide accurate reference for adjusting process parameter, and it is signality in developing high purity variety steel and reducing product quality demurral caused by inclusion.
该系统为调整工艺参数提供了准确依据，对于开发高纯净度的品种钢和减少因夹杂造成的产品质量异议意义重大。
There are some amount of the chain sulphide inclusion in the microstructure of the rail steel frequently.
钢轨钢中常含有数量较多的条链状硫化锰夹杂物。
This paper analyzes the effect of vacuum carbon deoxidation process on the characteristic of the non-metal inclusion in the rotor forgings which were made of BOH steel by vacuum carbon deoxidation.
本文在真空碳脱氧碱性平炉转子钢的试验中，就非金属夹杂物的特性，分析了真空碳脱氧这一新的工艺对转子锻件中非金属夹杂物的影响。
The present paper introduces the process route of superior quality structural carbon steel SAE1008. Control oxygen and inclusion content in steel, is the key of product quality guarantee.
本文介绍了优质碳素结构钢sae1008的生产工艺。指出控制钢水中全氧含量和夹杂物含量，是生产顺行和产品质量保证的关键。
The reason was that a mass of oxidation inclusion in steel which induced low ductility, toughness and fatigue intensity, and finally had bad machininged capability.
究其原因是由于钢中大量的氧化夹杂物使得其塑性、韧性及疲劳强度降低、加工性能变坏所致。
The amount, size and distribution of non-metallic inclusion in different positions of hard wire steel with different diameters were investigated by optical microanalysis.
采用光学显微分析法在不同直径硬线钢的不同部位，分析了非金属夹杂物的数量、大小和分布特征。
The results showed that the bubbly defects were caused by banded inclusion lied in steel slab from mould powder and plastic deformation were not consistent from center to the surface during rolling.
鼓泡主要是在钢坯皮下由保护渣形成了层状夹杂，导致冷轧原料板出现分层，从而在轧制过程中心部、表面的塑性变形不一致而形成。
The main reasons of fatigue broken of spring in the condition of higher stress and the limitation of using mish metal to control the form of inclusion in spring steel have been analysed.
分析了高应力条件下弹簧疲劳断裂的主要原因以及用稀土控制弹簧钢夹杂物形态的局限性。
It is pointed out that the inclusion content in melting steel and the status of caster play a key role for quality of thin slab.
指出在薄板坯连铸工艺流程中，钢水中夹杂物含量及连铸机工艺设备情况对薄板坯的质量起决定作用。
In order to reduce the inclusion quantity in the stainless steel slab, water-modeling experiment of stainless steel slab continuous casting tundish is launched.
为减少不锈钢连铸坯中夹杂物的数量，开展了不锈钢板坯连铸中包水模实验。
The results show that the pre-hardened plastic-mould steel belongs to a little low machinability steel because of much hard inclusion existing in microstructure and its high strength and hardness.
结果表明，这类材料属较难加工材料，这主要是由于钢中存在大量硬质点，且材料具有较高强度和硬度所致。
Test results show that non-metallic inclusion and bainite structure in the steel are main factors affecting the elongation.
试验结果表明：钢中非金属夹杂物和贝氏体组织是影响伸长率的主要因素。
The long nozzle can effectively control non-metallic inclusion in molten steel, accurately control and regulate the content of trace elements in molten steel and produce fine oxides to disperse steel;
使用该水口可有效控制钢液中非金属夹杂物、精确调控钢液中的微量元素含量、生产细小氧化物弥 散钢。
In present study, a proposal to improve the inclusion floatation and temperature homogenization of molten steel is presented through an optimizing study by water modeling.
通过优化设计，提出了促进夹杂物上浮和均匀中间包内钢水温度的设计方案。
When the inclusion size in the spring steel is larger than the critical size of inclusions, the probability of fatigue failure will increase.
当弹簧钢中的夹杂物尺寸大于临界夹杂物尺寸时，容易造成疲劳强度失效。
The invention relates to a method for removing non-metallic inclusion in molten steel.
本发明涉及一种钢液中非金属夹杂去除方法。
The experimental results show that the types of crack initiation at inclusion in ultrahigh strength steel under tensile load depend on the sizes of inclusion and the hole around inclusion.
结果表明，拉伸载荷作用下，航空用超高强度钢中裂纹萌生的方式与夹杂物尺寸及夹杂物周围孔洞的大小有关。
The effect of gas bubble size, injection rate and blowing time on removal of hydrogen and inclusion in liquid steel during refining has been studied and analyzed by theory calculation.
通过理论计算研究和分析了钢液气泡直径、吹气量和吹气时间对精炼时去氢和夹杂的影响。
Through tracking and analysis on the source of inclusion in aluminum steel, it is determined that Al2O3 is the source of inclusion, which congregates in the mould and is carried into the billet.
通过对生产的含铝钢中夹杂物来源的跟踪分析，确定Al2O3是夹杂的源头，其产生的主要原因是在结晶器内聚集生成并带入铸坯中的。
The results showed that the major cause of longitudinal surface cracking of 20 steel tube blanks was higher nonmetallic inclusion content in the steel than standard value.
结果表明：非金属夹杂物超标是导致管坯表面产生纵向裂纹的主要原因。
The results showed that the major cause of longitudinal surface cracking of 20 steel tube blanks was higher nonmetallic inclusion content in the steel than standard value.
结果表明：非金属夹杂物超标是导致管坯表面产生纵向裂纹的主要原因。
应用推荐