铁素体
- ferrite
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贝氏体铁素体和Cu-Zn-Al合金中有丰富的台阶和巨型台阶。
There are plenty ledges and super ledges in bainitic ferrite and Cu-Zn-Al alloys .
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Nb的析出对变形诱导铁素体相变的影响
Effect of Precipitation of Nb on Deformation Induced Ferrite Transformation
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Fe-C合金贝氏体铁素体的相变基元与类马氏体形貌贝氏体的形成
Bainitic transformation units and formation of martensite-like bainite in Fe-C alloys
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基于单元胞(unitcell)模型分析,计算了铁素体/珠光体钢的应力-应变曲线。
Flow stress curves of ferrite / pearlite steels were calculated based on unit cell model .
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铁素体中Ce与P晶界共偏聚的化学状态
Chemical State of Cosegregation of P and Ce at Ferrite Grain Boundary
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冷却速度对Ti脱氧钢中针状铁素体形成的影响
Effect of cooling rate on the formation of acicular ferrite in Ti deoxidized steel
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将表达载体转化E.低碳钢应变诱导铁素体相变发生的温度条件
Induced into E. investigation on the conditions of strain - induced ferrite transformation of low carbon steel
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大量纳米尺寸的TiC球形析出物粒子在铁素体的位错线上分布;
A large number of nanometer TiC particles distributed on dislocations in ferrite .
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微合金元素V抑制形变诱导铁素体相变的进行,阻碍铁素体晶粒长大,起到细化晶粒的作用。
Vanadium restrains the deformation induced ferrite transformation but hinders the grain growth of ferrite and acts as a grain refinement .
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快堆包壳用ODS铁素体合金中Ti的强化作用
Effects of Ti on strengthening of ODS ferritic alloy for advanced FBR cladding application
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此外,由于高Cr铁素体耐热钢具有出色的抗辐照性能,其还是核电站结构部件的候选材料。
Additionally , they are also the potential candidate for structural steel in nuclear reactors because of its outstanding irradiation resistance .
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珠光体组织的疲劳裂纹扩展方式可分为A,B,C三种类型。A型为裂纹同时横切多层铁素体片和渗碳体片而扩展;
Observations were demonstrated of 3 different types of the fatigue crack propagation of pearlitic structure : type A & the crack intersects the multiple ferrites and cementites simultaneously ;
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使用TEM研究了钢中贝氏体的精细结构及碳化物的形貌与分布,加入微量元素使贝氏体铁素体组织明显细化。
The fine structure of bainite and the morphology and distribution of carbides in steels were investigated with TEM .
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对火力发电锅炉用高Cr铁素体耐热钢焊接材料及其近来趋势做了概述。
This paper outlines welding consumables of high Cr ferritic heat resistant steels used for steam power boilers and its recent trend .
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在变形过程中,Nb(CN)的析出,降低了奥氏体中C浓度,促进了变形诱导铁素体相变。
During deformation , Nb ( CN ) precipitated and the retardation of C and Nb in austenite was reduced .
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铁素体不锈钢焊接HAZ的晶粒长大模型
Modeling of grain growth in HAZ of a ferrite stainless steel
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在轧制和轧后冷却过程中,由于细颗粒TiC的析出和铁素体晶粒的细化提高了钢的强度性能;
Precipitation of fine particles of TiC and ferrite grain refinement during rolling and cooling can increase strength .
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采用铁素体区润滑轧制和高温卷取,r值最高为1.38,延伸率达到50%以上。
With the sample workpieces lubricated during ferritic rolling and coiled at high temperature , the maximum plastic strain ratio of sample was 1.38 with elongation over 50 % .
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使用TEM和HREM分别对贝氏体铁素体和Cu-Zn-Al合金贝氏体台阶形貌和界面结构进行了观察。
The morphologies of ledges and interfacial strictures in bainitic ferrite and in bainite of Cu-Zn-Al alloys with TEM and HREM have been observed .
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钛元素的引入,消除了钢中的C、N间隙原子,抑制了珠光体组织的生成,净化了铁素体晶界,提高了铁素体组织的均匀性,使其耐腐蚀性能显著提高。
And it also can eliminate C and N interstitial atoms in steel , restrain the creation of pearlite , clean ferrite grain boundary , increase ferrite evenness and obviously increase corrosion resisting property .
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采用Nb和B合金化,在热轧状态下可得到由贝氏铁素体基体和均匀分布的M/A组元组成的粒状贝氏体组织。
Granular bainitic structure formed by bainitic ferrite matrix and uniformly distributed M / A components can be obtained under hot-rolling state by means of Nb and B alloying .
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结果表明钢中添加微量Nb延迟铁素体析出,降低铁素体相变温度,并在同样的冷却条件下提高相变组织的硬度。
It was shown that the micro addition of niobium could retard the ferrite transformation and increase the hardness of the transformed microstructure .
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采用超声波筛分、X射线小角散射及化学溶解等方法,分析了铁素体球铁中VC的粒度分布和析出规律。
Size distribution and precipitation of VC particles in the ferritic nodular cast iron have been examined by techniques of ultrasonic screening , small angle X-ray scattering and chemical dissolution .
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在道次间随时间延长,Nb的析出量增加,第二道次变形后诱导的铁素体也显著增加。
The amount of Nb precipitates increases with holding time , and the amount of induced ferrite increases remarkably after second pass of rolling .
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在热模拟单向压缩条件下考察了四个不同C,Mn含量的低碳钢中通过形变强化相变产生的超细铁素体在模拟卷取温度下的长大倾向。
The coarsening tendency of ultra-fine ferrite grains produced by deformation-enhanced transformation was investigated at simulated coiling temperatures by thermal simulating tests in four low carbon steels containing different C and Mn contents .
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热变形条件下C-Mn钢奥氏体→铁素体相变模拟
Modeling of subsequent ferrite formation in C-Mn steel after austenite hot deformation
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对同一种钢板进行不同热处理分别制成具有相同铁素体含量的双相钢(DP钢)和相变诱发塑性变形钢(TRIP钢),并对其部分力学性能进行对比。
DP and TRIP steels were respectively obtained from the same steel after different heat treatment , and some mechanical properties of the two steels were compared .
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300~500℃退火1h后,亚微晶铁素体组织稳定,晶粒无明显长大。
At annealing temperatures of 300 ~ 500 ℃ for 1 h , the submicrometer ferrite microstructure is relatively stable with negligible grain growth .
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根据亚点阵模型计算了不同TRIP钢在780℃时铁素体(α)和奥氏体(γ)相的平衡成分及奥氏体(γ)相的体积分数。
With the sublattice model , equilibrium compositions of ferrite (α) and austenite (γ) phases , as well as the volume percent of austenite (γ) at 780 ℃ in different TRIP steels are calculated .
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结果表明,内部裂纹产生了明显的愈合,愈合区组织主要为铁素体,愈合过程受控于基体Fe原子从基体到裂纹区的扩散迁移。
SEM analysis show that the microstructure exists in healing area is mostly ferrite . The healing process is controlled by the diffusion and migration of Fe atoms from steel matrix to crack zone .