In addition, the carburization decreased with vacuum rate increase.
另外，随真空度的增加内部增碳减小。
The high carbon concentration carburization for Cr-Mo steel was introduced.
介绍了铬钼钢的高浓度渗碳试验。
The processing of carburization affects the quality of products in heat treatment directly.
渗碳工艺过程的执行，直接关系到热处理产品的质量。
For the iron and steel industry in the quenching of cutting tools for the steel of carburization.
钢铁工业中用于切削工具的淬火处理，作钢材的渗碳剂。
The results show that re can decrease activation energy for carburizing and expedite carburization.
结果表明，稀土能降低渗碳的激活能，有利于提高其渗碳速度。
Carburization is the heat treatment process which carbon atoms permeate into the steel work form its surface.
而工件的渗碳处理是使碳原子渗入钢制工件表层的化学热处理工艺。
This model is used to achieve the calculation and actual time control of deep carburization with high concentration.
应用该模型实现了高浓度深层渗碳的计算机实时控制。
It is wrong to think that the content of iron has already been saturated and is not telated to the process of carburization.
过去那种认为高炉生铁含碳量已经达到饱和并与铁水渗碳过程无关的看法是不正确的。
Plane warping deformation and interior hole oval deformation occur easily for spread bevel gear at carburization and hardening.
螺旋伞齿轮在渗碳淬火时极易发生平面翘曲变形和内孔椭圆化变形。
The relationship between the carburizing atmosphere of drop-feeding carburization and the carbon-patential is discuased in this poper.
探讨了滴注式渗碳气氛组成与碳势的关系。
New technology that altering temperature and low pressure carburization is put forward in allusion to low quality and high cost of gears.
针对耐磨构件，尤其是齿轮等机械构件质量低和生产成本高的现状，提出变温低压渗碳新工艺。
The valid controlution of carburization atmosphere during the later stage of Sintering-HIP can directly prepare gradient cemented carbides.
气压烧结后期有效地控制渗碳气氛能够直接烧结渗碳制备梯度硬质合金；
Through reasonable manner of carburization, alignment approach with fixture and quenching method, the quality of bearings could be guaranteed.
采用合理的渗碳方式、模具矫正方法、淬火等，保证轴承质量。
Fatigue properties of three case hardening steels for heavy duty gears after carburization were investigated by means of rotating bending fatigue tests.
利用旋转弯曲疲劳试验方法研究了三种重载齿轮钢渗碳后的疲劳性能。
The results showed that, the microstructure and hardness of oversized bearings could meet the technologic requirement after carburization and quenching.
结果表明，特大型轴承矫正渗碳淬火后金相组织、硬度都达到技术要求。
Experimental study of plasma carburization technology and analysis of wear test of carburizing layers are done aimed at alloy bar grate material surface.
针对合金篦条材料表面进行等离子渗碳技术的试验研究和渗层的耐磨性能实验分析。
The mathematical model of gas carburization is mathematical description of all kinds of physical and chemical phenomena in the process of carburization .
气体渗碳数学模型是渗碳过程中各种物理、化学现象的数学描述。
In this paper, the corrosion of materials in carbonaceous atmospheres at high temperatures is reviewed, including metal dusting and internal carburization.
本文综述了材料在高温含碳气氛中的腐蚀，包括金属粉化和碳化，讨论了材料在含碳气氛中的腐蚀机理和腐蚀动力学。
The parts of tool steel and carburization hardened steel through he at treatment has often appeared grinding cracks. It influences the quality of the parts.
经热处理淬火的碳素工具钢和渗碳淬火钢零件，在磨削时常常出现大量较规则排列的裂纹，它直接影响零件的质量。
Possible surface carburization may be detected optically in spheroidized materials by observation of surface pearlite or an increased number of carbide spheroids.
通过观察球光体表面或碳化物的增加的数目在球化处理材料方面，在视力上发现可能的表面渗碳。
RA330 is an austenitic heat and corrosion resisting alloy offering an exceptional combination of strength and resistance to carburization, oxidation and thermal shock.
该耐热合金ra330是奥氏体耐热及耐蚀合金产品，有额外的组合强度且耐渗碳、耐氧化和耐热冲击。
Aging and carburization during the service produced precipitation of carbides, the amount, size and forms of which depended on the service time and working temperature.
炉管服役过程的时效与渗碳导致大量碳化物的析出，其数量、大小与形态取决于服役温度和时间。
The surface hardness, carburized structure and thickness of the carburized layer on the TiAl-alloy obtained through the different carburization technologies was studied.
试验研究了钛铝基合金离子渗碳后的渗层组织结构、渗碳温度和时间对渗层厚度、表面硬度的影响。
The surface hardness, carburized structure and thickness of the carburized layer on the TiAl-alloy obtained through the different carburization technologies was studied.
试验研究了钛铝基合金离子渗碳后的渗层组织结构、渗碳温度和时间对渗层厚度、表面硬度的影响。
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