用解析法预报变形后奥氏体相变产物的类型和形态的首要问题是对CCT曲线进行解析化处理。
The paper deals with the continuous cooling transformation of deformed and undeformed austenite for SBL microalloyed engineering steel, and the CCT diagram has been obtained as well.
运用高温金相和TEM方法，对超高强度钢300m的奥氏体相变再结晶过程和新晶界进行了定位观察。
In the present paper, both the process and new grain boundary of austenite recrystallized of 300m ultra high strength steel have been Oserved in-situ by means of high-temperature metalloscope and tem.
单向拉伸镍钛合金带中从奥氏体到马氏体的相变已在实验中观测到，并被看作为局部变形进行了数值模拟。
Phase transformation from austenite to martensite in NiTi alloy strips under uniaxial tension has been observed in experiments and has been numerically simulated as a localized deformation.
渗层中的相变次序和残余奥氏体的存在对残余应力分布影响较大。
Phase transformation sequence in diffusion layer and the existence of residual austenite have great effect on the distribution of residual stress.
结果表明，在多道次变形过程中，部分奥氏体通过形变诱导相变转变为铁素体；
The results show that some ferrite can form through deformation-induced ferrite transformation during multi-pass deformation.
但奥氏体快速冷却明显推迟了动态相变的发生。
However, the rapid cooling of austenite postpones dynamic transformation remarkably.
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.
测定了能反映其相变规律与特点的奥氏体形成图。
An austenitic forming diagram showing the law and characteristics of the steel has been determined.
借助X射线衍射技术，研究了304奥氏体不锈钢热诱发马氏体相变倾向。
With the help of X-ray diffraction technique, thermal-induced martensite transformation in 304 austenitic stainless steel was investigated.
试验温度越高，残余奥氏体稳定性越好，动态拉伸的绝热效应也抑制了残余奥氏体的形变诱发相变。
With the temperature rising, the stability of retained austenite gets higher and strain rate also can restrain the transformation of retained austenite.
形变参数对相变过程有着显著的影响，奥氏体化温度决定了奥氏体原始晶粒尺寸同样影响着形变诱导铁素体相变过程。
Deforming parameters can have remarkable effect and the austeniting temperature can determine the original austenite grain size, consequently influence the process of DIFT.
利用X射线衍射方法，研究了304L不锈钢中电解充氢过程和随后时效过程中的氢致奥氏体结构变化和氢致马氏体相变。
Hydrogen induced austenite structure transformation and martensite transformation in 304l stainless steel during hydrogen charging and aging were studied by X-ray diffraction.
研究了奥氏体相塑性变形和保温温度对相变动力学以及铁素体晶粒尺寸的影响。
In this study, the effects of plasticdeformation of the austenite phase and the holding temperature on thetransformation kinetics and the ferrite grain size are investigated.
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.
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.
而铌元素的加入增大了过冷奥氏体的稳定性，相变点温度降低，并且推迟珠光体的转变。
But Nb adding increases the under-heating austenite stability, reduces the temperature of phase transformation point and postpones the transformation of pearlite.
结果表明，在变形后的保温过程中，形变诱导的铁素体先逆相变为奥氏体，同时伴随着诱导铁素体晶粒的长大；
The results showed that the deformation induced ferrite inverse transformed to austenite and grains growted within holding time after deformation.
最后，建立了三维等温奥氏体-铁素体相变的元胞自动机(3dca)模型。
Finally, a three-dimensional cellular automaton model (3dca) is developed to simulate the microstructure formed during the austenite to ferrite transformation.
回转奥氏体、碳化物及回转奥氏体诱发相变生成的马氏体等均对低温韧度产生重要影响。
Reversed austenite, carbide and martensite transformed by the reversed austenite also have significant influence on low-temperature toughness of 9Ni steel.
回转奥氏体、碳化物及回转奥氏体诱发相变生成的马氏体等均对低温韧度产生重要影响。
Reversed austenite, carbide and martensite transformed by the reversed austenite also have significant influence on low-temperature toughness of 9Ni steel.
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