随着碳含量的增加，渗碳体相也相应增加。
The cementite phases still increase with the increase of carbon content.
软钢在室温状态下的稳定相是铁素体和渗碳体。
The stable phases in soft steel at room temperature are ferrite and cementite .
球化是使渗碳体产生成类似球状分布结构的工艺。
Spheroidizing is the process of producing a structure in which the cementite is in a spheroidal distribution.
金刚石的生长通过对初生渗碳体的消耗得以进行。
So the diamond growth up depends on the consumption of original cementite.
回火作业可以描述为渗碳体析出和凝聚或聚结的过程。
The tempering operation may be described as one of precipitation and agglomeration or coalescence of cementite.
白口铸铁中含有大量的游离渗碳体，性质脆硬，非常耐磨。
White cast iron contain a lot of free cementite, nature brittle hard, very wear-resisting.
在相邻铁素体界隅及边界上出现大量颗粒状和膜片状的渗碳体。
The lamellar cementite in the pearlite broke up and a large number of granular cementite precipitate on the ferrite boundaries.
表面最高温度接近熔化温度时，仍含有一定数量的未溶渗碳体。
But at the peak temperature near the temperatures of melting, a significant amount of undissolved carbides still exist in the surface.
由于渗碳体阻碍晶粒长大，所以随碳含量的增加，钢的再结晶温度升高。
The cementite phase in steels increases the recrystallization temperature and abstracts the grain growth.
共析分解是个自组织过程，具有铁素体和渗碳体互为领先相的整合机制。
The eutectoid decomposition is a self organization process, which is characterized by the integrated mechanism that ferrite and cementite acted as prevenient phase alternatively.
并用透射电镜、扫描电镜研究了珠光体组织的演变特点和渗碳体的变形。
The microstructure evolution of pearlitic steel in ECAP was investigated by means of transmission electron microscope and scanning electron microscope.
当珠光体层片与拉伸轴斜交时，裂纹通过渗碳体和铁素体交替断裂而扩展；
When the lamellae made an angle with the tensile axis, the crack propagated alternatively in cementite and ferrite.
在回火过程中，贝氏体中的奥氏体以扩散转变方式分解为铁素体和渗碳体。
During the tempering process, the austenite in bainite decomposed into ferrite and cementite by diffusion transformation.
白口铸铁的组织中含有相当数量的渗碳体，通常被认为难以进行塑性加工。
White cast iron contains a large amount of cementite which are considered to be the major element making hot-plastic deformation difficult.
实验表明，珠光体分解在奥氏体晶界形核，铁素体和渗碳体具有位向关系。
Experiments show that pearlitic nucleus can form on the austenitic grain boundary, and there is the orientation relationship between ferrite and cementite also.
一般认为，珠光体转变得到铁素体和渗碳体的机械混合物，而且存在领先相。
It is generally considered that the simple mechanical mixture of ferrite and cementite is gained in the pearlite transformation and there is prevenient phase in this process.
研究表明：在这种新型镍铸铁中除了石墨和奥氏体基体外，还有合金渗碳体存在；
Investigation showed that, in this new nickel cast iron, besides graphite and austenitic base, had yet alloying cementite.
在薄壁铸件中获得无游离渗碳体和铁素体基体的稀土球铁的关键是高碳过共晶原铁水。
Therefore, in thin section castings, for eliminating eutectic carbides and obtaining ferritic matrix, melts treated by re need high carbon content and hypereutectic composition.
高于此点，由于超过共析点钢完全由珠光体和退火状态的渗碳体组成，硬度增加并不多。
Above this point the hardness can be increased only slightly, because steels above the eutectoid point are made up entirely of pearlite and cementite in the annealed state.
由于超过共析点钢完全由珠光体和退火状态的渗碳体组成，因此高于此点硬度增加并不多。
Above this point the hardness can be increased only slightly, because steels above the eutectoid point are made up entirely of pearlite and cementite in the annealed state.
提高铁液的碳当量、增加孕育剂量和降低铸态组织的渗碳体数量，均有利于增加石墨球数量。
Adding of carbon equivalent and the amount of inoculant can reduce the amount of as cast carbide and increase the number of nodular graphite.
采用电子探针及X射线衍射仪测定了可锻铸铁白口组织中硅的分布和硅对渗碳体点阵参数的影响。
The distribution of silicon in as-cast white iron was studied using electron probe microanalysis. Effect of silicon on lattice constant of the cementite was also studied using X-ray diffraction.
本文用FE3C 8500程序计算了渗碳体的结构振幅，据此，说明了渗碳体的结构消光条件。
The structure amplitudes of Fe_3C are calculated by using the program FE3C8500, then the condition of structure extinction is introduced in this paper.
渗碳体的球化可能以两种机制进行：破碎渗碳体片的非均匀长大和细小球状渗碳体颗粒的形核长大。
There are two possible mechanism about spheroidization ofcementite: the fracture cementite lamellae grows up non-uniformly and the fine spherical cementite particles grows up as the core.
由于这种碳成分的化学分离完全发生在固态中，产生的组织结构是一种细致的铁素体与渗碳体的机械混合物。
Since this chemical separation of the carbon component occurs entirely in the solid state, the resulting structure is a fine mechanical mixture of ferrite and cementite.
外加磁场改变了渗碳体片层的分叉形成过程，随磁通密度的增加，珠光体晶粒内部的渗碳体片层趋向于平行排列。
The bifurcation process of cementite flake is changed by magnetic field. The cementite flakes in pearlite grains tend to be parallel with the increase of magnetic flux density.
采用X-射线衍射仪、透射电镜研究了可锻铸铁白口组织中硅对共晶渗碳体点阵参数、晶胞体积及晶体缺陷的影响。
The effect of Si on the crystal lattice parameters, lattice volume and crystal defects of the eutectic cementite in malleable cast iron has been studied by using X ray diffractometer and TEM.
分析结果表明，铸锭中分布不均匀的非金属夹杂物和组织中过量分布于晶界的贝氏体和三次渗碳体是导致冷镦开裂的原因。
It was revealed that: inhomogeneous distribution of the non-metallic inclusion and excessive bainite and tertiary cementite is the cause of cracking.
分析结果表明，铸锭中分布不均匀的非金属夹杂物和组织中过量分布于晶界的贝氏体和三次渗碳体是导致冷镦开裂的原因。
It was revealed that: inhomogeneous distribution of the non-metallic inclusion and excessive bainite and tertiary cementite is the cause of cracking.
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