随变形量的增加，再加热淬火后的奥氏体晶粒逐渐细化。
The austenite grains after reheat quenching refine gradually with increasing the deformation degree.
研究了钛含量对中碳硼钢奥氏体晶粒度及晶粒粗化温度的影响。
The Influences of ti content on austenite gain size and grain coarsening temperature in medium-carbon boron steel have been investigated.
在横轧前增加正火工序，改善钢的奥氏体晶粒度，消除混晶组织。
Normalization procedure was added before the transverse rolling for improving steel austenite grain fineness and removing mischcrystal structure.
奥氏体晶粒大小、碳化物尺寸及马氏体中含碳量是主要控制因素。
It was pointed out that the main governing factors were prior austenite size, carbide size and carbon content in the martensites.
终轧温度的降低可引起奥氏体晶粒的粗化和残余应变的显著提高。
The relatively low finishing temperature can lead to the coarsened grain and high retained strain before transformation.
同时，初始应变速率和变形温度影响奥氏体晶粒尺寸和析出相的分布。
Meanwhile the initial strain rate and strain temperature affect the austenite grain size and distribution of precipitation phase.
峰温越高，奥氏体晶粒越粗大，冷却后形成的马氏体板条束尺寸也越大。
The higher the peak temperature, the coarser the grain size of prior austenite, the larger the martensitic lath bundle after phase transformation.
讨论了在相变区的加热速度、奥氏体化温度及保温时间对奥氏体晶粒的影响。
The influence of the rate of heating at phase transformation region, temperature of austenitizing and holding time on the austenite grains are studied.
试验结果表明，试验钢在再加热过程中，奥氏体晶粒尺寸随加热温度的升高而增大；
The results showed that during reheating process, the austenite grain size in tested steel increased with an increase in the reheating temperature.
结果表明，在焊接热模拟条件下，原始奥氏体晶粒尺寸是影响机械性能的主要因素。
Results show that after various welding simulations, the grain size of austenite imposes the most significant effect on the tensile and impact properties;
考虑实验钢奥氏体晶粒粗化现象的本构方程能够较好吻合实验测量的应力-应变数据。
A constitutive equation that takes into account such effect can lead to a good agreement between the calculated and the measured stress-strain curves.
当稀土加入量为0.01%时，重轨钢的奥氏体晶粒尺寸明显细化，冲击韧度显著改善。
When the content of RE addition is 0.01%, the grain size of austenite can be obviously fined, and the impacting toughness of heavy rail steel can be obviously improved.
奥氏体晶粒粗大及奥氏体柱状晶都能够降低焊缝的韧性，并提出了改善焊缝韧性的途径。
Either coarse or column austenite grain can decrease the toughness of welding metal, and the ways to improve the toughness of wel...
试样经奥氏体区高温处理后，铈的添加细化含锡钢的奥氏体晶粒，并且使晶粒长大趋势变慢。
During the austenitizing treatment process of heated, adding cerium into steel contained tin could make grain size small, and moreover, it could make the trend of grain size growing up slow.
采用氧化法和晶粒边界腐蚀法对几种不同的碳钢和合金钢的奥氏体晶粒的显示进行了对比试验。
Austenite grain size of plain carbon steel and alloy steel were examined by oxidization and grain boundary etching method.
结果表明，碳化物分布均匀性提高，碳化物网状级别及碳化物带状级别降低，奥氏体晶粒尺寸减小。
The experimental results show that the uniformity of spherical carbide can be increased, the grade of network carbide and banded carbide can be decreased, the austenite grain can be refined.
铌化物是在凝固过程中形成，具有细化奥氏体晶粒的作用，并分析研究了铌细化高锰钢奥氏体晶粒的机制。
The results indicate that niobium compounds form during solidification, leading to the refinement of austenite grains. The mechanism of grain refinement has been investigated extensively.
结果表明，细小弥散的第二相粒子能有效地阻碍焊接热影响区粗晶区的原奥氏体晶粒长大，改善该区域的韧性。
The results show that the dispersed second phase particles can effectively retard the growth of austenite grain in the CGHAZ, and improve the toughness.
通过热模拟实验，考察了在不同变形温度和不同奥氏体晶粒尺寸等条件下保温对低碳钢形变后组织演变的影响。
The influence of deforming temperature as well as primal austenite grain sizes and holding time on the microstructure of transformation were investigated.
高温高压法加速腐蚀。结果表明，C4镍基合金热影响区奥氏体晶粒长大，X60钢过热区为大块铁素体组织。
The results show that the coarse austenite grain in heat affect zone (HAZ) of Ni-base alloy is observed, mass ferrite appears in HAZ of X60 steel.
采用该模型对二辊楔横轧成形工艺进行仿真计算，得出了轧后工件的温度场、变形场、高温奥氏体晶粒尺寸分布等。
Through simulation of the 2-roll cross wedge rolling (CWR), the temperature and strain fields, and the distribution of grain size and so on, were obtained.
通过真空感应炉模拟实验，结合金相分析，研究稀土对于高碳重轨钢奥氏体晶粒尺寸和珠光体片层间距等的影响作用。
Via vacuum induction furnace and metallographical analysis, the effects of RE on the grain size of the austenite and distance of the pearlite laminae of high-carbon steel for heavy rail were studied.
通过改变均热温度和保温时间，研究低碳钢的奥氏体平均晶粒尺寸与时间的关系，及奥氏体晶粒各尺寸范围的分布规律。
By changing heating temperature and holding time, the austenite grain growth behavior of a low carbon steel under different heating conditions was studied.
研究了一种适用于管道钢管和管件制造的X70级管线钢在不同加热温度下的奥氏体晶粒长大规律和组织-性能间的关系。
The article discusses and finds the Auster grain growing rules and relations of structure and properties of X70 steel in weld pipe and pipe accessories under the different heating temperature.
分析了传统的焊接热影响区（HAZ）晶粒长大模型，在此基础上，介绍了适用于高强度管线钢的奥氏体晶粒长大的耦合模型。
In this paper, the traditional HAZ grain growth model is analyzed. Based on the model, analytical model of austenite grain growth fit to high strength pipe-steel is introduced.
用金相显微镜和SEM观察了试样铸态微观组织形态，测定了奥氏体晶粒尺寸以及奥氏体晶粒内马氏体板条束个数和马氏体板条间距。
Then the morphology was observed by optical microscope and SEM. The grain size of austenite, the number of martensite in austenite grains and the spacing of the lath martensite were measured.
结果表明，奥氏体的再结晶发生在钢的正常淬火温度以上的一个温度范围，并在该范围内存在晶粒细化效果最佳的温度区域；
The results showed that the austenite recrystallization occurs in a temperature range biger than thenormal quenching temperature and there is an optimum temperature range for the grain refining.
提出了通过显示奥氏体实际晶粒度、裂纹形貌和扩展方式来分析热锻模具型腔表层塑性变形行为的试验方法。
This paper advanced a study method that can observe plastic deformation behavior of surface layer of die cavity by showing austenite grain, size, crack morphology and propagation mode.
本文用定量金相法分析和讨论了奥氏体热作工具钢的晶粒粗化行为。
The grain coarsening behaviour towards the austenitic hot work tool steels has been studied by means of quantitative metallography.
与奥氏体不锈钢、低碳钢等材料不同，随着TA 2合金试样晶粒尺寸的增大，纵波声速增大。
Different from the materials such as austenitic stainless steels, low carbon steels etc, the longitudinal velocity of TA2 alloy increased as the grain size increased.
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