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结果表明，两者均为热处理脱碳所引起。The results show that both are caused by decarburization in heat tret-ment.

本发明亦公开了脱碳清洗剂的配方和制备方法。The invention also discloses a formula and a preparation method of the decarburization cleaner.

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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。Rough machining shall be performed so as to remove all mill decarburization from the raw material surface.

同AOD过程一样，采用过程质谱的好处在于能精确地判断脱碳的终点。As with AOD, the benefit of using PMS is that the decarburization end-point can be more accurately determined.

根据邢钢线材表面脱碳层深度统计数据的变化规律，对脱碳层深度的变化情况进行了研究。The change law of depth of decarburization layer on surface of wire bar is researched based the statistics data.

利用该模型可以分析RH脱碳速度的影响因素，这对优化RH处理生产超低碳钢操作工艺提供指导。The influence of some factors on decarburization rate has been obtained, which can provide guidance for RH treatment.

本文就稀土对盐浴防氧化脱碳的作用进行了研究。The effect of rare-earth elements to prevent oxidation and decarburization in heat treating salt bathshas been discussed.

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根据齿座表面裂纹主要呈沿晶扩展，裂纹两侧无脱碳和氧化现象，认为该裂纹为淬火裂纹。Results show that the crack is mainly intergranular and there is no decarburization and oxidation at the edge of the crack.

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 result shows that the decarburization depth increases with the increase in temperature and holding time for the two steels.

线材的脱碳层深度、网状碳化物、氧化皮脱落等项目符合检验标准。The indexes of decarburization depth, distribution of cementite along grain boundaries and scaling are in accordance with specification.

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 fine carbon additive in feedstock powders not only increases the hardness of the coatings but also decreases the degree of decarburization.

分析了引起光谱分析误差的主要因素，如试样脱碳层深度、表面粗糙度、描迹等。It analyzed main factors of arising spectrum analysis error which including specimen decarburization layer depth, surface roughness, describing, etc.

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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。The effects of various factors on decarburization of high speed tool steel annealed in bogie hearth electric furnace were investigated in this paper.

并结合照片分析比较了钢坯加热前、后以及重轨钢成品脱碳层的差异。The difference of decarburization between slab before and after reheating and heavy rail steel finished product have been contrasted by using pictures.

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。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.

对于等级1，没有完整的脱碳。外围任何点的部分脱碳深度不得超过表1中的数值。For grade 1, no complete decarburization shall be present. The depth of partial decarburization at any point on the periphery shall not exceed the value in table 1.

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 rate in bath was proportional to the intensity of oxygen supply and the utilization ratio of oxygen was enhanced with the oxygen pressure rising.

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分析了云南某高碳硫铁矿的原矿性质，进行了浮选脱碳试验和浮选选硫试验等一系列试验。Based on the analysis of the properties of a high carbon pyrite from Yunnan, a series tests on decarburization by flotation and sulfur selection by flotation were carried out.

淬火裂纹的组织特征是裂纹两侧无脱碳现象，明显区别与锻造裂纹和材料裂纹。Quenching crack propagation characteristics of the organizations on both sides without decarburization phenomenon significant difference between crack and materials and forging cracks.

对转炉冶炼不锈钢时脱碳保铬、热补偿、炉底供气模式和高效脱硫技术进行了讨论。Key points of smelting process, such as decarburization and Cr yield, thermal compensation, bottom blowing patterns, as well as high-efficiency desulphurization are discussed in the paper.