随铝含量增加单相奥氏体区变小变无，液化温度降低，热加工性能恶化。
With Al content increasing, Uniphase austenite area decreases or disappears, the liquefaction temperature becomes low, and hot-workability worsens.
采用热模拟试验方法探讨了灰口铸铁焊接接头热影响区的奥氏体区组织对接头性能的影响。
The use of cast steel enables a designer to take such steps as simplifying the structural connections and avoiding difficult welding requirements.
对不同温度下变形和变形后再加热到奥氏体区的低碳钢SS40 0的显微组织进行了研究。
The microstructure of low carbon steel SS400 deformed at different temperatures and reheated to austenite region after deformation was studied.
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.
研究了母材碳含量对熔合区形态的影响、“富奥氏体区”形成机理和“氢蚀剥离开裂”产生机理等。
The effect of carbon content of the base metal on the welded bond structure, formation mechanism of the "austenitic-rich zone" and "hydrogen-induced disbonding" etc.
采用着色腐蚀技术，金相显示了球墨铸铁缩松区中奥氏体枝晶组织形貌，分析了球铁缩松的形成机制。
The morphology of austenite dendrites in shrinkage porosity in nodular iron is displayed by the color etching technique and the formation mechanism of shrinkage porosity has been analyzed.
依靠随机涨落，形成贫碳区，贝氏体铁素体在贫碳的奥氏体中形核。
Carbon-poor area forms by way of random fluctuation and carbon atom diffusion. Bainitic ferrites nucleate in carbon-poor austenite.
母材区除了奥氏体组织外，存在铜元素的扩散。
Other than austenite, copper element dissolution is found in material.
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.
结果表明：奥氏体未结晶区变形并淬火后，马氏体包的尺寸增大，而马氏体束的尺寸明显减小并发生弯曲。
The results showed that after the deformation of unrecrystallized austenite and quenching, martensite block width decreased and bent, while the packet size increased to some extent.
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.
完全硬化区由细小针状马氏体、残余奥氏体和少量点状碳化物组成，过渡区由马氏体和回火索氏体（珠光体）组成；
The completely hardening region is composed of fine acicular martensites, residual austenites and a few dot-like carbonides and the transition region is made up of martensites and sorbites (pearlite).
依靠随机涨落，形成贫碳区，贝氏体铁素体在贫碳的奥氏体中形核。
Carbon-poor area forms by means of random fluctuation and carbon atom diffusion. Bainitic ferrites nucleate in carbon-poor austenite.
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.
本文研究了奥氏体不锈钢/普通低合金钢爆焊复合钢板界面熔区的形成。
The paper deals with the formation of melting zone in the interface of explosive cladding austenitic stainless steel/normal low alloy steel system .
母材区除了奥氏体组织外，存在铜元素的扩散。
Other than austenite, copper element dissolution was found in material.
结果表明：经固溶处理的焊缝和热影响区，晶内奥氏体析出变少，晶粒尺寸变小，同时奥氏体的形状由长条状变为圆状。
The results show that the precipitated austenite crystals of welded joint after solid solution treatment are fewer, the grains are smaller. And the shape of austenite changes from strip to roundness.
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.
研究结果表明：在不预热条件下，用KD286焊补钢轨，焊缝组织为柱状奥氏体组织，熔合区和过热区不可避免地产生脆硬的马氏体组织。
The results show that:under the no preheating condition, the microstructure of weld metal is columnar austenitic, and brittle martensite exists in the fusion zone and over-heated zone unavoidably.
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.
在实验室通过热轧实验，研究了热轧双相钢在奥氏体再结晶区和未再结晶区变形和卷取温度对高强热轧双相钢组织细化和力学性能的影响。
The effect of the finishing rolling temperature on the microstructure refinement and mechanical properties of the hot rolled dual-phase steel were studied at laboratory.
平衡铁素体和奥氏体两相组织在焊缝金属和热影响区中的比例，保证焊接接头的性能，是双相不锈钢焊接的基本要求。
The basic requirement of welding the steel 2205 is that the weld metal and heat-affected zone obtain a favorable phase balance and retain the performance as the base metal after welding.
平衡铁素体和奥氏体两相组织在焊缝金属和热影响区中的比例，保证焊接接头的性能，是双相不锈钢焊接的基本要求。
The basic requirement of welding the steel 2205 is that the weld metal and heat-affected zone obtain a favorable phase balance and retain the performance as the base metal after welding.
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