一种亚稳态铁酸盐和碳化铁集合体,由奥氏体在低于珠光体温度但高于马氏体初温时变性而形成。
A metastable aggregate of ferrite and cementite resulting from the transformation of austenite at temperatures below the pearlite but above the marten site start temperature.
含铁碳化物或含碳铁的固体溶体,冷却可形成珠光体或马氏体。
A solid solution of ferric carbide or carbon in iron; cools to form pearlite or marten site.
使用状态的组织为细晶粒的铁素体—珠光体,强度比普通碳素结构钢Q235高约20%~30%,耐大气腐蚀性能高20%~38%。
Using the state of the organization for the fine grain ferrite pearlite, strength than ordinary carbon structural steel Q235 about 20% ~ 30%, high atmospheric corrosion resistance of 20% ~ 38%.
作为结果的组织结构是初步的共析铁素体(在共析反应前的铁素体)和部分珠光体的混合物。
The resulting structure is a mixture of primary or pro-eutectoid ferrite (ferrite that formed above the eutectoid reaction) and regions of pearlite.
结果表明,高珠光体含量球铁凸轮轴的洛氏硬度随着球化率和珠光体含量的升高而增加。
The result showed that the Rockwell hardness of the high pearlite-containing nodular iron camshaft increased with increasing of its nodularity and pearlite content.
白口铸铁按基体分为铁素体白口铸铁、铁素体-奥氏体白口铸铁、奥氏体白口铸铁、珠光体白口铸铁和马氏体白口铸铁。
According to their matrix structure, the white irons are divided into ferrite white iron, ferrite-austenite white iron, austenite white iron, pearlite white iron and martensite white iron.
该方程不仅适合微合金中碳钢的铁素体和珠光体组织,而且也适合高碳微合金钢的珠光体组织和低碳微合金钢的铁素体组织。
The equations suit not only ferrite and pearlite in microalloyed medium carbon steel but also pearlite in high carbon microalloyed steel and ferrite in low carbon microalloyed steel.
经批生产考核,精铸球铁铸件的金相组织可达到球化级别2级,石墨球大小6级,珠光体含量10 %的要求。
Some batches of production showed that microstructure of nodular iron in investment casting can reach to 2 grade nodularization, 6 grade nodule size and 10% pearlite.
最后讲述了珠光体生长的台阶机制及一些非铁碳合金的共析组织。
At the last, the steps mechanism of pearlitic growing and some eutectoid structures of non Fe-C alloys are pointed out.
在过去几十年X 70级管线钢的典型组织一直是铁素体-珠光体。
In the past decades of years the typical structure of pipeline steel X70 was the ferrite-pearlite.
本文概述了非调质钢的开发和应用现状,其中包括铁素体一珠光体、贝氏体以及马氏体非调质钢。
This paper gives a survey of development and application of microalloyed engineering steels, including those with ferritic -pearlitic, bainitic, and martensitic structures.
结果表明在相当大的冷却速度范围内,可获得稳定体积百分含量的细片状珠光体加铁素体组织。
The result shows that in a great scope of cooling rates, constant percentage of fine pearlite and ferrite can be obtained.
通过在中硅耐热铸铁中添加不同组合的合金元素稀土、铜、钛使其合金化,经过孕育和球化处理,得到铁素体+珠光体+球状石墨的金相组织。
Adding different alloy combination of re, copper and titanium, then through gestation and nodulizing disposal, we got the fine texture of ferrite pearlite and spheroidal graphite.
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.
球墨周围的铁素体和珠光体是贫铈的,而远离球墨的珠光体和莱氏体是富铈的。
Ce is depleted from ferrite and pearlite surrounded by nodular graphite, and enriched in pearlite and ledeburite far apart from nodular graphite.
应用MARC/MENTAT商用有限元软件,对铁素体/珠光体钢的单向拉伸过程进行了有限元模拟。
The flow stress of ferrite/pearlite steel under uniaxial tension was simulated with finite element method (FEM) by applying commercial software MARC/MENTAT.
通过二次随流孕育,稳定生产铸态珠光体球铁曲轴的生产工艺。
Crankshafts of as cast pearlite ductile iron have been produced stably by double random inoculation.
纵截面上,在铁素体基体上分布着沿轧向呈纤维状的珠光体,铁素体条带密度从边缘至芯部呈逐渐减少的趋势。
The microstructure of longitudinal section in rebar was banded ferrite and pearlite and the ferrite band density reduced gradually along radius of rebar.
相变后的最终组织为大量铁素体加部分珠光体。
The microstructure after phase transformation consists of ferrite mainly and some pearlites.
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.
通过统计分析,研究了高珠光体含量球铁的基体硬度与球化率和珠光体含量的关系。
By statistical analysis, the relationship between the matrix hardness of the high pearlite-containing nodular iron and its nodularity and pearlite content was investigated.
结果表明,塑性变形主要集中在铁素体中,珠光体团也可发生塑性变形。
It was shown that plastic deformation was mainly undergone in ferrite, and pearlite colony could also deform.
同时可以获得细小的铁素体和珠光体组织,各项指标满足国家标准的要求。
The fine ferrite and pearlite were obtained in the meantime and all kinds of properties can meet the request of national standard.
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.
SS400的显微组织为铁素体、珠光体和少量的贝氏体。
The microstructures of super-steel SS400 were composed of ferrite, the pearlite and small amount of bainite.
针磨料测试被普遍以为是模仿高应力磨损,但实践上它们严重高估效劳生命地白口铁磨内衬比拟珠光体钢内衬。
Pin abrasive tests are widely thought to simulate high stress abrasion, but in reality they grossly over-estimate service lives of white iron mill liners compared to pearlitic steel liners.
研究结果表明:在磁场热处理铁素体钢或珠光体钢时,磁场能够显著地促进钢的传导传热、加速钢材的冷却、细化铁素体晶粒。
The effects of magnetic field on heat conduction of ferritic and pearlitic steels in the magnetic field heat treatment were studied.
研究结果表明:在磁场热处理铁素体钢或珠光体钢时,磁场能够显著地促进钢的传导传热、加速钢材的冷却、细化铁素体晶粒。
The effects of magnetic field on heat conduction of ferritic and pearlitic steels in the magnetic field heat treatment were studied.
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