奥氏体晶粒度

对含Nb量相同、含Ti量不同的一组试样进行了焊接热模拟试验及高温奥氏体晶粒度测试；

The simulated welding thermal cycle was applied to a set of steels with the same Nb content and the different Ti content . The austenite grain size at high temperature was also measured .

原奥氏体晶粒度对45V非调质钢力学性能的影响

Effect of Austenite Grain Size before γ / α Transformation on Mechanical Properties of 45V Steel

P50钢轨钢的奥氏体晶粒度对其门槛值和裂纹扩展速率的影响

Influence of Austenitic Grain Size of P50 Railway Steel on Threshold Value and Crack Growth Rate

钢的奥氏体晶粒度测定计算机模型

The Computer Measured Model of Austenitic Crystalline Grain of Steel

根据奥氏体晶粒度测高速钢脱碳层深度

Measuring decarburized depth for high speed steel according to austenite grain size

应用图象分析系统测定奥氏体晶粒度

Application of Picture Analyses System for Measuring Austenitic Grain Size

氧化法奥氏体晶粒度试样的制备

Make samples for measuring the austenitic grain size by oxygenation

关于用渗碳法检验奥氏体晶粒度的问题

Problems about Examining Austenite Grain Size with Carburizing Method

氧化法检验钢的奥氏体晶粒度的研究

Study on austenite grain size examination by oxidization method

氧化和脱碳对用氧化法检验钢的奥氏体晶粒度的影响

The Effect of Oxidation and Decarburization on Examining Grain Size of Austenite with Oxidizing Method

钛含量对中碳硼钢奥氏体晶粒度及晶粒粗化温度的影响

Influence of Ti Content on Austenite Grain Size and Grain Coarsening Temperature in Medium-carbon Boron Steel

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 .

铝、钛、钒和铌对中碳钢奥氏体晶粒度的影响

The Effect of Al , Ti , V and Nb on the Grain Growth Behavior of Austenite in Medium Carbon Steels

在相同的原妇奥氏体晶粒度和硬度条件下，贝氏体组织具有较高的塑脆转变温度。

It was found that bainitic microstructure possesses higher FATT than martensitic one does provided both are identical in original grain size and hardness .

该系统所计算出的轧制线上关键点钢材温度，奥氏体晶粒度和力学性能与实测值吻合较好。

The billet temperature at key point of rolling production line , austenite grain size rating and mechanical properties calculated by this system are in agreement with measured value at situ .

分析结果表明，将车轮钢中酸溶铝含量降低至0.010%以下，在现热处理工艺下，车轮奥氏体晶粒度和性能未发生明显变化，降低钢中加铝量这一工艺值得推广。

The results show that the reducing content of Als to below 0.010 % will not change the austenitic grain and properties of wheels obviously under the present heat treatment process , the process of decreasing the amount of Al is deserved to popularize .

在热处理渗碳淬火工艺方面，控制齿轮表面碳浓度、控制工件渗碳后冷却速度、控制奥氏体晶粒度、降低残留奥氏体的数量、消除或降低内应力、可控气源的选择、冷却介质的选择。

In the heat treatment carburizing aspects , control gear surface carbon concentration , control workpiece cooling speed , carburizing control austenitic grain degrees , reduce the number of residual austenite , eliminate or reduce stress , controlled source selection , cooling medium choice .

当W（Ti）e>0.031%时，试验用钢的奥氏体本质晶粒度可达7级以上，晶粒粗化温度提高到980℃以上。

When ω( Ti ) e content is more than 0.031 % , the austenite inherent gain size and the grain coarsening temperature of the steel could be up to grade 7 and 980 ℃ respectively .

热处理对冷加工奥氏体不锈钢晶粒度的影响

Influence of Heat Treatment on the Grains of Cold Worked Austenitic Stainless Steel

本文还研究了不同预处理工艺对奥氏体本质晶粒度的影响。

The influence of different pretreatment process on the austenitic essence grain was studied too .

结果表明：烧结后试样的基体为奥氏体，晶粒度大约为100~200nm；

The results show that the sintered sample matrix is austenite , and the crystallite size is 100 ~ 200 nm approximately .

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 .

脱碳Fe-Ni合金的实验表明：当奥氏体母相的晶粒度保持一定，淬火温度在900℃以上时，随淬火温度的升高，Ms降低，母相强度提高；

Experimental results show that in some decarburized Fe-Ni alloys the M_s decreases and the strength increases with an increase in quenching temperature above 900 ℃ with a fixed parent phase grain size .