研究了低碳奥氏体—马氏体双相不锈钢在不同回火温度下硬度变化规律。
This paper has studied hardness changing law of low carbon austenite-martensite double phases stainless steel at different tempering temperatures.
试验证明，当焊缝组织为下贝氏体及板条马氏体双相组织时，能有效地提高焊条的抗裂性能。
The experimental result shows that the cracking resistance can be increased effectively as dual-phase structure existed in the layer consisting of lower bainite and lath martensite.
研究表明，随着马氏体含量的增加，双相钢的最大剪切应力随之增加。
The research results show that the maximum shear stress of dual-phase steel raises with the increase of martensite content.
利用SEM、TEM研究了同一成分的热轧双相钢的马氏体体积分数对形变位错结构和断口组织特征的影响。
Effect of martensite volume fraction on deformation dislocation structure and fracture for hot rolled dual-phase steel of the same composition was studied by using SEM and TEM.
显微组织和断口观察指出，初始组织的这种影响，与不同初始组织的双相钢中马氏体相的形态和分布有关。
The observations of microstructures and tensile fracture surface showed that such effect of initial structure can be related to the shape and distribution of martensite in dual phase steels.
铁素体迅速应变硬化和铁素体到马氏体的载荷传递使双相钢具有较高的初始应变硬化速率和较高的强度。
The higher initial strain hardening rate and higher strength of dual phase are attributed to rapid strain hardening in ferrite and the load transfer from the ferrite to martensite.
实验表明，适于拔丝的双相组织是在板条马氏体基体上分布着细小的铁素体岛。
Experiments show that the dual phase structure suitable to wire drawing consists of fine ferrite islands dispersed in the matrix of lath martensite.
用声发射法研究了一种低合金钢于双相区热处理所得残余奥氏体的马氏体相变。
The martensitic transformation of retained austenite particles in an intercritically annealed low-alloy steel has been studied using the acoustic emission technique.
显微组织和断口观察指出，初始组织的这种影响，与不同初始组织的双相钢中马氏体相的形态和分布有关。
The observations of microstructures and tensile fracture surface showed that such effect of initial structure can be related to the shape and distribution of mart...
高温回火后，马氏体的分解软化以及铁素体中位错密度减小是导致双相钢性能恶化的主要原因。
The decomposition of martensite and decrease of dislocation density in ferrite are the main reasons of deteriorating the mechanical properties of dual phase steel.
显微组织和断口观察指出，初始组织的这种影响，与不同初始组织的双相钢中马氏体相的形态和分布有关。
The observations of microstructures and tensile fracture surface showed that such effect of initial structure can be related to the shape and distribution o...
不同的淬火温度使双相钢显微组织中不仅产生了不同体积分数的马氏体，而且也形成了不同数量的新生铁素体。
Different quenching temperatures lead to not only different amounts of martensite, but also different volume fractions of new ferrite.
结果表明，随着亚温淬火温度的升高，双相组织中马氏体的亚结构由孪晶型变成位错型，两相的变形能力和拉拔性能都得到改善。
Mecrostructure and mechanical properties of 20SiMnTi steel have been studied and analyzed when treated by different heat treatment process, by changing the sub-critical quenching temperatures.
结果表明，随着亚温淬火温度的升高，双相组织中马氏体的亚结构由孪晶型变成位错型，两相的变形能力和拉拔性能都得到改善。
Mecrostructure and mechanical properties of 20SiMnTi steel have been studied and analyzed when treated by different heat treatment process, by changing the sub-critical quenching temperatures.
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