同时探索出一种新的管线钢原奥氏体晶界腐蚀方法。
A new method for showing the prior austenite crystal boundary corrosion, of pipeline steel has been also supposed.
应变诱发马氏体首先在原奥氏体晶界和孪晶界形核。
These lath martensite first nucleates in parent austenite intergranular and twin boundary.
系统研究了锰低温钢中锰在奥氏体晶界上的不平衡偏聚。
The non equilibrium segregation of manganese to austenite grain boundaries in Mn cryogenic steels is investigated.
在固溶处理时快速冷却过程中锰在奥氏体晶界产生不平衡偏聚。
During the fast cooling process of solution treatment, nonequilibrium segregation of manganese...
分析可知，碳化物的析出情况是回火后易侵蚀出奥氏体晶界的主要原因。
The analysis show that the main reason to easy erode austenite grain boundary after tempering is the precipitation situation of carbide.
实验表明，珠光体分解在奥氏体晶界形核，铁素体和渗碳体具有位向关系。
Experiments show that pearlitic nucleus can form on the austenitic grain boundary, and there is the orientation relationship between ferrite and cementite also.
脉状组织形成的原因是合金元素和氮原子在原奥氏体晶界偏聚形成合金氮化物。
Since the alloy element and nitric atom segregate on the austenite crystal boundary, the vein-like structure is formed.
本文研究了热形变工艺参数对奥氏体晶界和晶内不同区域的形变程度不均匀性的影响。
This paper researches the influence of technology parameters of hot deformation on the nonhomogeneous deformation between the austenitic grains and different zones within the grains.
开裂主要原因为液相铜扩散进入奥氏体晶界引起晶界脆化，在应力作用下引起焊管开裂。
The main reason for cracking is liquid copper diffused into the austenite grain boundary and grain boundary embrittlement was caused, so the welded pipe cracked under stress.
研究表明，调质后粗晶奥氏体的遗传现象，是由于沿原奥氏体晶界碳化物偏聚析出的结果。
This paper shows that inheritance phenomenon of coarse austenite grains are due to the boundary segregation of carbide along the prior austenite grain boundary.
结果表明，此浸蚀剂是管线钢一种理想的奥氏体晶界浸蚀剂，所采用的测定方法的精确度较高。
The results shows that the corrosion is an ideal austenite crystal boundary corrosion for pipe line steel. The accuracy of adopted determination method is high.
业已证实，淬火硼钢中硼向奥氏体晶界的偏聚，是在冷却过程中发生的一种非平衡的晶界偏聚。
It has been demonstrated that the boron segregation at austenite grain boundaries in quenched steel is a non-equilibrium grain boundary segregation phenomena occurred during cooling.
通过试验，论证了淬火钢中硼向奥氏体晶界的偏聚，是在冷却过程中发生的一种非平衡的晶界偏聚现象。
The test has been demonstrated that the boron segregation at austenite grain boundaries in quenched steel is a non-equilibrium grain boundary segregation phenomena occurred during cooling.
根据实验结果，对奥氏体晶界迁移激活能(Q)进行了计算，计算表明随稀土加入量增加，Q值亦增加。
According to the results, the activation energy for migration of grain boundary Q was calculated. With the increase of the amount of re, the value of Q increases.
发现材料的晶内偏析和奥氏体晶界洁净度分析控制钢的屈服强度和韧度。从而改变了此钢按细化晶粒度控制强韧性的工艺指导思想。
It is found that the alloying elements segregation in grains and the grain boundary cleanliness control the yield stress value and the tough-strength properties of this material respectively.
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.
高锰奥氏体钢随温度降低其断裂机制由韧窝状断裂转变到晶界断裂。
High manganese steels undergo a ductile to brittle transition at low temperature, which is accompanied by a change in the fracture mechanism from dimple fracture to intergranular fracture.
研究了硼淬透性因子与硼的晶界平衡集聚规律、钢的成分、奥氏体化温度及晶粒尺寸的关系。建立了硼的晶界平衡集聚方程。
The relationship between the boron hardenability factor and the equilibrium segregation of boron to grain boundary, the composition of steel, the austenitizing temperature, grain size was studied.
结果表明：变形使奥氏体和铁素体晶界呈锯齿状；
The results indicated that the grain boundaries of austenite and ferrite are sawteeth shape after deformation;
结果表明：变形使奥氏体和铁素体晶界呈锯齿状；
The results indicated that the grain boundaries of austenite and ferrite are sawteeth shape after deformation;
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