There is no central segregation or decarburization and defects on the surface.
无明显中心偏析、表面脱碳和缺陷。
Is hardness tested on a surface that has been ground to remove decarburization?
硬度检测是否在去除了氧化皮的表面上进行？
And the higher temperature tempering is not the main reason for the decarburization.
另外研究发现高温回火并不是引起零件表面脱碳的主要原因。
The invention also discloses a formula and a preparation method of the decarburization cleaner.
本发明亦公开了脱碳清洗剂的配方和制备方法。
There is tight( or thin and highly adherent ) scale and decarburization , at least in certain areas .
部件上有密布（稀疏但附着力很强）鳞片和脱碳痕迹，至少在部分区域如此。
E. g. There is tight (or thin and highly adherent) scale and decarburization, at least in certain areas.
部件上有密布(稀疏但附着力很强)鳞片和脱碳痕迹，至少在部分区域如此。
Rough machining shall be performed so as to remove all mill decarburization from the raw material surface.
必须进行粗加工以去除原材料轧制过程中的表面氧化脱碳。
The effect of rare-earth elements to prevent oxidation and decarburization in heat treating salt bathshas been discussed.
本文就稀土对盐浴防氧化脱碳的作用进行了研究。
The result shows that the decarburization depth increases with the increase in temperature and holding time for the two steels.
结果表明，两种弹簧钢的脱碳深度随提高加热温度和增加加热时间增大。
The fine carbon additive in feedstock powders not only increases the hardness of the coatings but also decreases the degree of decarburization.
喷涂粉末中加入细碳粉不仅有利于提高涂层的硬度，而且可减小涂层脱碳程度。
The effects of various factors on decarburization of high speed tool steel annealed in bogie hearth electric furnace were investigated in this paper.
研究了高速钢轧材在台车式电阻炉中退火加热过程中，各因素对脱碳的影响。
Vacuum extraction system of extraction performance affects behavior of degassing , decarburization, denitriding and so on in RH_KTB refining process.
真空抽气系统抽气性能的好坏直接影响RH-KTB精炼的脱气、脱碳、脱氮的效果，极限真空度高低决定了钢水最终的气体含量。
The decarburization rate in bath is proportional to the intensity of oxygen supply and the utilization ratio of oxygen depends on the oxygen pressure.
在高碳范围内熔池脱碳反应速度与供氧强度和氧气利用率成正比。而提高吹氧压力可以提高氧气利用率。
The decarburization speeds up, as the ar blow rate increases, and the influence of argon flow rate on decarburization is greater in the low carbon zone.
随底吹氩气流量的增加，脱碳速度加大，此种作用在低碳区影响尤为明显。
It was observed that the decarburization reaction period in the RH could be classified into three stages in terms of the apparent reaction rate constants.
据实测结果，RH炉内脱碳反应期可根据其表现反应速率常数划分为三个阶段。
The effect of various process factors on decarburization process in VD was studied by the model and the optimizing decarburization process in VD can be obtained.
用该模型模拟研究了各工艺因素对VD精炼脱碳过程的影响。 模拟结果可为VD精炼脱碳工艺的制定和优化提供指导依据。
The decarburization rate in bath was proportional to the intensity of oxygen supply and the utilization ratio of oxygen was enhanced with the oxygen pressure rising.
在高碳范围内熔池脱碳反应速度与供氧强度和氧气利用率成正比，而提高吹氧压力可以提高氧气利用率。
By adjusting oxygen flow supplied and controlling decarburization rate under the condition of hot metal charging, the steel of high carbon and low phosphor can be produced.
在铁水热装的情况下，通过调整供氧强度，可冶炼出高碳低磷钢水。
For the flash, a very common phenomenon in Cr-Fe alloy argon-oxygen decarburization refining process, here the splash-prediction method is proposed based on binary tree SVM (BT-SVM).
针对铬铁合金氩氧精炼过程中时常发生的喷溅现象，提出一种基于BT - SVM的喷溅预测方法。
The causes of decarburization in the sintering of ferrous products using dissociated ammonia as atmosphere are analysed and some methods and routes to control decarburization are discussed.
对铁基制品采用分解氨作烧结气氛时的脱碳原因进行了分析，探讨了几种控制脱碳的方法及途径。
The utility model belongs to the technical field of metallurgical industry, and in particular relates to a stainless steel argon oxygen decarburization refining side wind oxygen-blowing gun;
本实用新型属于冶金工业技术领域，具体涉及一种不锈钢氩氧脱碳精炼侧风吹氧枪。
When the oxygen fuel ratio is too high, particle decarburization and binder phase nonuniform contract in the cooling process are the determining factors to the coating structure and properties.
氧燃比过高，粒子脱碳和黏结相在冷却过程中收缩不均匀是影响涂层结构和性能的决定因素。
The effects on RH decarburization of several parameters including lift gas flow rate, vacuum pressure reduction curves, KTB starting time and initial carbon and oxygen content are investigated.
考察了提升气体流量、真空度压降模式、KTB吹氧时机以及初始碳氧含量对RH脱碳的影响。
The changings of decarburization thickness were investigated by metallographic method. Then verified the accuracy of experimental datas in theory, and analyzed the protective mechanism of coating.
应用金相法考察了试样脱碳层深度的变化，从理论上初步验证了实验数据的准确性，并合理地分析了涂料的保护机理。
High manganese steel are widely used for its excellent abrasion resistance. However it is difficult to avoid defects of decarburization, grain growth, cracking and deformation during heat treatment.
高锰钢的优良耐磨性能使其有广泛的应用范围，但在热处理过程中却难以保证所要求的显微组织，并容易引起脱碳、晶粒长大、裂纹和变形。
Decarburization shall be one of the four grades given in table 1.
脱碳是表1中给出的四个等级中的一个。
Decarburization shall be one of the four grades given in table 1.
脱碳是表1中给出的四个等级中的一个。
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