奥氏体化

ODS钢中的元素在烧结过程中扮演着重要的角色，因此研究它们在烧结过程中对奥氏体化温度的影响有着重要的指导意义。

Elements of ODS steel play an important role during sintering , So it has become more and more important to study the effect of these elements on the austenitizing temperature during sintering .

临界点测定结果表明，在加热阶段：对于V-N钢或V钢，随着V含量的增加，完全奥氏体化温度Ac3均是提高的，但V-N钢的提高程度比V钢的低。

The result of phase transition temperature evaluated indicates that the complete austenitizing temperature ( Ac_3 ) is raised along with V content being increased whether V-N steel or V steel and the temperature of V-N is higher than V steels .

该钢理想的等温处理工艺为800℃奥氏体化+280℃等温3h。

The good isothermal quenching process is austenitizing at 800 ℃ and thermal quenching at 280 ℃ for 3 hours .

运用电子显微分析方法着重分析了中碳含V微合金化钢在奥氏体化后不同等温温度下和不同冷却速度下沉淀相的析出规律。

This paper deals with the precipitate changes in medium - carbon vanadium microalloy steel during the isothermal transformation at various temperatures and the continuous cooling transformation in different cooling velocity .

细晶区塑韧性最好，这主要是冈为细晶区奥氏体化后高温停留时间较短，同时未溶解的Nb（CN）阻碍了晶粒的长大。

Fine-grain region has the best toughness in HAZ for its short time staying in high temperature after austenization , undissolved Nb ( CN ) can also inhibit growth of austenite grain .

6CrW2Si钢剪刃加热完全奥氏体化淬火工艺的研究

Quenching Process of Shear Knife of 6CrW_2Si Steel After Pure Austenitization

该钢经过900℃，0.5h奥氏体化后空冷，得到非典型上、下贝氏体和块状组织，各种组织中均存在残余奥氏体。

The special upper and lower bainite and lump-like composite structure were obtained in the steel by air cooling after austenitizing at 900 ℃ for 0 . 5h .

采用热模拟实验研究了钒微合金化低碳锰钢（0.1%C-1.0%Mn）奥氏体化后在860~740℃范围内进行多道次变形过程中的组织演变，考察了变形和微合金元素V对铁素体相变的影响。

Using a Gleeble 1500 thermal simulator , the microstructural evolution and the effects of deformation and vanadium microalloying on the ferrite transformation of V-microalloyed mild steel ( 0.1 % C-1.0 % Mn ) during multi-pass deformation in a temperature range of 860 ~ 740 ℃ were examined .

制备了高碳高钒系高速钢辊环，通过SEM、EDS、XRD分析以及硬度测量研究了奥氏体化保温时间对高碳高钒系高速钢轧辊材料的组织和耐磨性的影响。

The effect of austenizing time on the microstructure and wear resistance of the HSS work-roll manufactured by centrifugal casting method were investigated . The SEM , EDS , X-ray diffraction analysis , and hardness measurement were conducted on the material to identify carbides .

试验结果表明，该奥贝球铁齿轮的优化热处理工艺为：在900℃奥氏体化保温2h，再进行290℃×15h等温淬火。

The experimental results show that an optimized austempering process for the final transmission driven gear in tractor is of austenitizing at 900 ℃ for 2h and austempering at 290 ℃ for 1.5h .

用TEM研究了6-5-4-2高速钢经1250℃奥氏体化后于300及250℃等温形成的上、下贝氏体结构，所见两种贝氏体的最终形态都由亚片长大结合而成。

TEM study on 6-5-4-2 High Steed Steel is conducted , thc structure of upper and lower bainites are formed isothermally at 300 and 250 ℃ after austenizing at 1250 ℃ . The final morphology of the two bainites formed result from the sub-plate growth and combination .

在960℃奥氏体化3h并淬火的条件下，复合材料主要由弥散分布的VC颗粒与马氏体组成，其硬度HRC为62，冲击韧度为7.9J/cm2。

The composites is mainly composed of dispersively distributed VC particles and martensite with austenizing for 3 hours at 960 ℃ and quenching , where the hardness of the composites is 62 and impact toughness is 7.9 J / cm2 .

淬火-分配处理是将钢加热至完全奥氏体化，然后淬火至Ms-Mf之间的某一温度（QT），得到马氏体和一定量未转变奥氏体混合组织的处理方法。

Quenching and partitioning is to heat the steel to a certain temperature , then quenching the steel to a temperature ( QT ) between Ms and Mf , is obtaining a hybrid organization of Martensite and a certain amount of untransformed austenite .

通过循环热处理和改变奥氏体化温度两种方法获得不同的原奥氏体晶粒尺寸，研究了不同晶粒尺寸对高温回火中碳Cr-Mo钢力学性能的影响。

The effect of austenite grain size , which was obtained by changing the austenitizing temperature and using repeated heat treatment , on mechanical properties of quenched and tempered medium carbon Cr-Mo steel was studied .

研究了碳化钨（WC）增强钢基复合材料经980℃～1240℃范围高温奥氏体化后的淬火硬化效应，发现此材料具有显著的淬火硬化效果（68HRC）及良好的抗回火稳定性。

The hardening properties of carbide ( WC ) reinforced steel matrix composites after austenization between 980 ℃ ~ 1240 ℃ have been investigated . It has been found that the tested material has a remarkable hardening effect , 68 HRC , and tempering resistance .

对低碳Mn-Nb钢和低碳Mn-Nb-Ti钢经不同温度加热奥氏体化后空冷和等温处理条件下的显微组织进行了研究。

Microstructures in low carbon Mn-Nb steel and low carbon Mn-Nb-Ti steel after reheating , air cooling , and isothermal treatment have been investigated .

工艺过程为：1000℃奥氏体化，然后以10℃/s的冷速冷却到变形温度（从A（e3）840℃到A（r3）780℃），变形以后立即水淬。

The temperature of austenitization is 1000 ℃ followed by cooling to the deformation temperature ( from A_ ( e3 ) 840 ℃ to A_ ( r3 ) 780 ℃) . After deformation , water quenched is followed immediately .

低碳球铁的适合奥氏体化时间为20～60min，等温温度范围与普通球铁大致相同，等温时间窗口大约在35～50min之间；

The proper austenitizing time is 20 ~ 60min , the range of isothermal temperature is similar to normal ductile iron , and isothermal time window is 35 ~ 50 min generally .

研究了奥氏体化温度，回火温度及硬度对GJW50碳化钨钢结硬质合金热疲劳抗力的影响。

The effect of following factors on thermal fatigue resistance of GJW50 steel-bonded tungsten carbide , such as , austenitizing temperature , tempering temperature and hardness , has been studied .

试样加热至1150℃1min奥氏体化后以20℃/s冷却至700℃，压缩变形60%，在变形作用下，钢中部分过冷奥氏体转变成细片层珠光体。

And as sample heated to 1150 ℃ for 1 min for austenization than cooled with 20 ℃ / s to 700 ℃ and reduced by 60 % , the partial overcooling austenite in steel transformed to fine lamellar pearlite under effect of deformation .

奥氏体化温度对低碳钢硼化物析出的影响

Effect of austenitizing temperature on boride precipitation in low carbon steel

奥氏体化温度和时间影响等温转变产物中残余奥氏体的稳定性；

The stability of retained-austenite is affected by austenize temperature and time .

各向异性畸变程度随奥氏体化温度的升高而增加。

The anisotropic distortion was increased with higher austenitizing temperature .

奥氏体化条件对半钢热变形组织的影响

Effect of Austenitizing Condition on Hot Deformation Microstructrue of Semisteel

奥氏体化工艺及等温转变工艺是影响奥贝球铁综合力学性能的关键因素。

The craft of austenize and austempered is the most important factor .

一定范围内升高奥氏体化温度有利于提高淬透性，促进微细板条马氏体的形成。

( ii ) Increasing austenitizing temperature promoted martensite formation .

WC/钢基复合材料奥氏体化后的硬化效应及微观机理

Hardening effects and micro-mechanisms of wc / steel matrix composites after austenization

人工神经网络预测奥氏体化温度

Application of Artificial Networks in the Prediction of Austenite Temperature

低碳低合金钢临界区奥氏体化动力学的研究

Kinetics of austenitization during intercritical annealing of low carbon low alloy steels

研究了电场奥氏体化对低碳钢的淬火组织的影响。

Study on the Plasma Arc Welding Technology of Austenite Stainless Steel Parts ;