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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
以相变动力学为基础,研究了奥氏体向铁素体、珠光体和贝氏体转变的温度和相变体积分数的计算方法。
On the basis of transformation kinetics, the transformation of austenite to ferrite, austenite to pearlite, austenite to bainite was investigated.
研究结果表明,铌含量的提高抑制了珠光体的形成,促进了针状铁素体的形成,细小的碳氮化铌析出相增多;
The results show that niobium increment retains the formation of pearlite and makes fraction of acicular ferrite and fine niobium carbonitride niobium increase.
高碳钢中加入的铬元素抑制先共析铁素体析出,减小珠光体片层间距,可明显提高抗拉强度,提高断面收缩率,改善线材的拉拔性能。
By cr microalloying, the fore eutectoid ferrite eduction is restrained, the distance between rows of pearlite is decreased, then the tensile strength, section shrinkage and drawing property of high...
与调质回火马氏体组织不同,氧含量对铁素体-珠光体组织的疲劳性能没有明显的影响。
Unlike that of tempered martensite structure, there is little effect of oxygen content on the fatigue properties of ferrite-pearlite steel.
结果表明:研制钢是由铁素体和珠光体组成,向钢中添加高的V和N元素,有利于增加更多的弥散析出相,提高其强度。
The results showed that the studied steel was made of ferrite and pearlite, when adding mass V and N to the steel it was benefit to offer a mount of precipitated phase and improve the strength.
结果表明,对于亚共析钢,在中温区变形、保温后可使先共析铁素体和珠光体组织大大细化,显著改善钢中铁素体和珠光体的分布状况;
The results show that, in hypoeutectoid steels, deformation at medium temperature may fine the structure and improve the distribution of ferrite and pearlite greatly;
用普通电阻炉加石墨保护的方法成功地在铁素体基灰铸铁及珠光体基灰铸铁基体上制备了镍基自熔性合金粉末复合材料。
The thermal spraying process was used to obtain the composite coatings of nickelbased self fluxing alloy reinforced by buckytube on plain carbon steel substrate.
用普通电阻炉加石墨保护的方法成功地在铁素体基灰铸铁及珠光体基灰铸铁基体上制备了镍基自熔性合金粉末复合材料。
The thermal spraying process was used to obtain the composite coatings of nickelbased self fluxing alloy reinforced by buckytube on plain carbon steel substrate.
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