英语释义

• the iron carbide constituent of steel and cast iron; very hard and brittle

片语

cementite network网状渗碳体

proeutectic cementite[冶]

cementite laminae渗碳体片

secondary cementite二次渗碳体

cementite decompose渗碳体分解

cementite interface渗碳体界面

proeutectoid cementite[冶] 先共析渗碳体

cementite diagram铁渗碳体平衡图

globular cementite球状渗碳体

英汉例句

• when the lamellae made an angle with the tensile axis, the crack propagated alternatively in cementite and ferrite.

  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；

• pearlite changes inconspicuously during the heating process below 720 ℃, while there is lots of spherical cementite distributed at the ferrite grain boundaries as well as in the grains.

  珠光体在低于720 ℃的加热过程中变化不明显，而铁素体晶界与晶内出现球状碳化物颗粒。

• a substantial precipitation of cementite begins at 600℉(315℃), which produces a decrease in hardness.

  渗碳体的大量析出开始于600℉（315℃），这使硬度下降。

• the results show that the microstructure at remelted surface layer consists of mainly cementite and ledeburite, which apparently improves the hardness and wear resistance of the remelted specimen.

  结果表明，熔凝后铸铁表面为初晶渗碳体和莱氏体组成的过共晶组织，硬度和耐磨性有了明显的提高。

• the indexes of decarburization depth, distribution of cementite along grain boundaries and scaling are in accordance with specification.

  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準。

• 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.

  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 cementite phases still increase with the increase of carbon content.

  随着碳含量的增加，渗碳体相也相应增加。

• in specimens of eutectoid steel t8, the cementite lamellae may be plastically deformed to some extent, and its tendency increases with the decrease of interlamellar spacing.

  对于完全是片层珠光体组织的t8钢，渗碳体片层表现出一定程度的塑性变形能力，并随片层间距的减小变形能力增强。

• white cast iron contains a large amount of cementite which are considered to be the major element making hot-plastic deformation difficult.

  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。

• experiments show that pearlitic nucleus can form on the austenitic grain boundary, and there is the orientation relationship between ferrite and cementite also.

  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。

• in this paper, the forming shaping and effecting elements of free cementite in the lowcarbon annealing steel are studied.

  本文对低碳退火钢中的游离渗碳体的形成、形态及影响因素进了工艺试验和分析。

• during intercritical annealing, austenite forms in pearlite area firstly and cementite particles in ferrite grains and at boundaries are also transformed into austenite island.

  双相区退火过程中，奥氏体首先在珠光体处形成，原铁素体晶界与晶内的碳化物颗粒也形成奥氏体岛。

• the stable phases in soft steel at room temperature are ferrite and cementite .

  软钢在室温状态下的稳定相是铁素体和渗碳体。

• during the tempering process, the austenite in bainite decomposed into ferrite and cementite by diffusion transformation.

  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。

• spheroidizing is the process of producing a structure in which the cementite is in a spheroidal distribution.

  球化是使渗碳体产生成类似球状分布结构的工艺。

• the eutectoid decomposition is a self organization process, which is characterized by the integrated mechanism that ferrite and cementite acted as prevenient phase alternatively.

  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。

• during a little less than fatigue load of 35vb steel, the lamellar cementite altered into a ductile phase with feasible deformation.

  研究了次载疲劳锻练对35vb钢的影响，结果表明钢中渗碳体已成为塑性相。

• the coil temperature decreasing to 600~620 ℃ is an available measure to avoid carbides isolation eutectoid - cementite distributing along ferrite grain boundary.

  避免碳化物离异共析渗碳体沿铁素体晶界分布的有效措施是将卷取温度降至6 0 0～6 2 0℃。

• 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.

  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。