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- Keywords carburized layer;hardening;martensite;residual stress; 渗碳层;硬化;马氏体;残余应力;
- Keywords Carburizing Steel;Depth Carburized Layer;Parameter;Regression Asalysis; 渗碳钢;渗碳层;参数;回归分析;
- An example of the numerical simulation of carburized layer was presented. 本文还给出了渗碳层深度的数值模拟实例。
- Furthermore,the kinetic equation of carburized layer growth was presented. 此外,还给出了渗层生长的动力学方程式。
- The effect of adding RE in low carbon steel on carburized layer is studied. 研究了低碳钢中加入RE后对渗碳层的影响。
- It is discovered that there is carburized layer, small chamfer and coarseness surface. 在废旧打印碳带上去除碳层是一项回收碳带母带、减少污染的任务。
- The surface microhardness of sample A is higher than that of sample B and the carburized layer of sample A is thi. 表面显微硬度比较发现,试样A的硬度明显高于试样B,在光学显微镜下观察两试样的截面,试样A渗碳层的厚度明显大于试样B。
- Rare earths can getcarburized granules on the surface of alloy steel fined, with diffusion even, the carburized layer thickened. 稀土能使合金钢表层碳化物颗粒细化，均匀弥散分布，碳化物层加厚。
- The macro characteristics, micro morphology, metallographic structure and carburized layer depth of the fractured teeth were observed and analyzed. 对断齿齿面的宏观特征、微观形貌、显微组织和渗层深度进行了观察、测试与分析。
- The tests show that the bigger con-centration gradient makes the carburized layer exfoliate and fatigue failure go ahead. 结果表明，渗层碳浓度梯度过大会导致局部渗碳层剥落，使疲劳破坏提早；
- The effects of microalloylng elements Ti, Al, N and B on the hardenability of the core and the carburized layer of 18CrMnB steel have been investigated in this paper. 本文主要研究了微量元素钛、铝、氮和硼对18CrMnB钢心体和渗碳层淬透性的影响。
- Abstract： The microstructure of carburized layer in 20 steel cast-iron molten bath carburized at different temperature and time was studied in the paper. 摘 要： 本文探讨了20钢在铸铁浴中经不同温度及时间渗碳的渗层组织。
- Keywords Carbonization;Depth of carburized layer;Image processing; 渗碳;渗碳层深度;碳浓度分布;图像分析;
- The relationship between the depth of carburized layer and magnetic coercive force was studied. Based on this relationship we measured the depth of carburized layer by electromagnetic nondestructive measurement instrument (DWY-1). 通过分析磁矫顽力与渗碳层深度之间的关系,应用所试制的电磁无损检测仪(DWY-1)测量渗碳层深度。
- The microstructures of the carburized layer consist of fine martensite with a small amount of retained austenite in surface layer and lath martensite with acicular bainite in ransition l... 表层组织为细小分散马氏体+少量残留奥氏体,过渡层为针状贝氏体+板条马氏体,心部主要为束状贝氏体。渗层耐磨性好,基体力学性能优良,能很好地满足齿轮的服役条件。
- It serves the purpose of measuring the hardness of ferrous,non-ferrous metals,hardmetals,carburized layers and chemical treating layers. 该硬度计适用于黑色金属、硬质合金、渗碳层和化学处理层的硬度测定。
- It serves the purpose of measuring the hardness of ferrous, non-ferrous metals, hardmetals, carburized layers and chemical treating layers. 产品用途：该硬度计适用于黑色金属、有色金属、硬质合金、渗碳层和化学处理层的硬度测定，曾两次荣获上海市优质产品称号。
- State structure and transformation of carbides in carburized layers are analized by use of telescope,X-ray diffraction and energy spectrum. 通过电镜、X射线衍射和能谱，分析了渗碳层中碳化物形态结构及转变。
- Keywords carburized steel residual stress contact stress shot peen-ing; 渗碳钢;残余应力;接触应力;喷丸;
- Thefindings indicate that rare earths are able to accelerate carburizing process, thicken the carburized layer and shortenthe operation period. 结果表明：稀土能使渗碳过程加快、渗层加厚、时间缩短；
