cementite的例句大全

A mixture of ferrite cementite forming distinct layers or bands in slowly cooled carbon steels.

含%碳的钢(铁碳混合物的低共熔点),含%碳的碳钢是纯珠光体.

The paper detailed describes the principle, characteristics and usage value of rare earth cementite in practice.

本文详细论述了稀土渗碳的机理 、 特点、以及在实践中的应用价值.

The deformative charateristics of cementite of white cast iron during the rolling process was investigated.

研究了惨碳体在白口铸铁轧制变形过程中的变化特点.

Results indicated that microstructure of the ZSF alloy consists of austenite and eutectic cementite.

结果表明,ZSF合金的显微组织是奥氏体+共晶碳化物.

The slow dissolution of coarse cementite in bainite retards the precipitation rate of carbides during tempering.

回火时,贝氏体中粗大的渗碳体溶解较慢,减慢了合金碳化物的析出速率.

A mixture of ferrite and cementite forming distinct layers or bands in slowly cooled carbon steels.

光体,珠铁在慢慢冷却的碳合金中的层状铁素体和''.'碳素'. ''体的混合物.

The machining technique of cementite rigidification tooth surface of double circular arc gear

渗碳硬齿面双圆弧齿轮超硬加工技术

The alloying elements Ti and C can form TiC directly in the melt which acts as nucleus of cementite and causes both primary and eutectic cementite granulated and refined. So the cementite network in this steel can be eliminated.

Ti和C可以直接在液相中反应形成TiC，并可作为渗碳体的结晶核心，使一次渗碳体和共晶渗碳体发生粒化和细化，从而避免连续网状碳化物的形成。

Calculation of the driving force for nucleaction ( growth) gives an evidencs that the leading phase of the eutectoid reaction in hypoeutectoid steels is ferrite while that in hypereutectoid steels is cementite.

由形核（长大）驱动力的计算证明，亚共析钢共析反应的领先相为铁素体，而过共析钢的领先相为渗碳体。

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。

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。

Both the austenite-graphite eutectic reaction temperature and eutectoid reaction temperature are higher than those of austenite-cementite.

奥氏体-石墨共晶和共析反应温度也都高于奥氏体-渗碳体的共晶和共析反应温度。

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。

According to the results of DSC and microstructure analysis, the more Al content, the higher melting point of the alloy, but the more α phase dendrites, the less eutectic cementite.

从差示扫描量热分析和显微组织得出：随含铝量的增加，合金的熔点提高，α相枝晶增多，晶间的共晶体减少。

The results showed: in the as-cast white iron there was the enrichment of silicon between the eutectic cementite and pearlite.

结果表明：硅在共晶渗碳体和珠光体界面处富集，少量硅进入共晶渗碳体中；

Study on Relation between the Morphology of Eutectic Cementite and Lower Temperature Graphitization of Malleable Cast Iron

共晶渗碳体形态与可锻铸铁低温石墨化的关系及分析

Effect of Si on the Microstructure of Eutectic Cementite in As cast Malleable Cast Iron

硅对可锻铸铁共晶渗碳体显微结构的影响

According to mathematical statistics treatment of data measured from total 2500 fields, it is shown that there are apparent differences between the morphology of eutectic cementite in the two kinds of aforementioned samples.

用数理统计分析了2500个视场的测量结果表明，共晶渗碳体的分布形态在上述两种试样中存在明显差异。

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。

As the pearlite in it contains cementite phase and has high crystal boundary density, the nucleation and growth of deposits prefer to occur at the pearlite at the beginning during deposition on the surface of annealed 45 steel.

在退火态45钢表面，Ni-P合金镀层优先在晶界及渗碳体表面形核.由于珠光体组织中含有渗碳体相且具有比较高的晶界密度，因而在沉积初期镀层优先形核和生长。