退火处理后,试样中的偏聚相消失。
在柱状晶与等轴晶过渡区中存在着偏聚物。
Segregated solutes and inclusions are distributed at the transition boundary of the column crystal and the equiaxial crystal.
钢中固溶的铈原子在铈碳化物界面区发生偏聚。
分析结果为非平衡晶界共偏聚理论提供了证据。
在含硼和不含硼钢中对硼的偏聚行为进行了对比。
A comparison was made among the segregation behaviors of the boron in steels with or without boron contents.
讨论了锰及其他合金元素不平衡偏聚的动力学过程。
The kinetic process of non equilibrium segregation of manganese and alloying elements is discussed.
同时发现,随保温时间的延长,共晶硅会粗化、偏聚。
Meanwhile, it was discovered that with longer holding time eutectic silicon particles got thicker and gathered.
进一步区分了在再结晶或未再结晶条件下硼的偏聚作用。
Furthermore, the effect of boron segregation on recrystallization or non-recrystallization conditions can be distinguished.
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.
用TEM组织观察和能谱分析发现奥氏体中有锰元素的偏聚;
The segregation of element Mn was discovered by means of TEM observation and energy spectrum analysis.
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...
结果表明,微量元素的动态偏聚是导致高温脆性的重要因素之一。
Test results indicate that dynamic segregation of microelement is one of important factors causing high temperature embrittlement.
径迹显微技术(PTA)是研究硼的晶界偏聚的行之有效的方法。
The particulate-tracking autoradiograph(PTA) technique is a powerful tool for studying the behaviors of boron in materials.
溶质原子的晶界偏聚可分为平衡晶界偏聚和非平衡晶界偏聚两大类。
The segregation of solute atoms in grain boundaries may be classified into equilibrium and non-equilibrium grain boundaries segregation.
磷元素在钢中的晶界偏聚可以分为两类,即平衡偏聚和非平衡偏聚。
The segregation of phosphorus on steel grain boundaries can be divided into two categories, which are, equilibrium segregation and non-equilibrium segregation.
溶质元素在金属晶界的偏聚可以分为两类,即平衡偏聚和非平衡偏聚。
The segregation of solute elements on metal grain boundaries may be divided into two categories, that is, equilibrium and non-equilibrium segregation.
在较低温度下等温,非平衡偏聚促进了晶界硼相的析出和平衡偏聚的建立。
During isothermal holding at low temperature, the nonequilibrium segregation promotes precipitation of boron constituent and establishment of equilibrium segregation at grain boundaries.
综述和简要评价了晶界偏聚和材料脆性断裂之间关系的理论研究进展情况。
An overview of the recent progress in the theoretical study of relationship between grain-boundary segregation and brittle fracture is provided.
根据溶质非平衡偏聚恒温动力学特征,总结出了中温脆性的非平衡偏聚机理。
In view of the isothermal kinetics characteristic for NGS, the mechanisms of intermediate temperature embrittlement are discussed.
与此同时,存在由于热应力产生的微裂纹和稀土元素偏聚烧损后产生的孔洞。
The thermal stress and the burning loss of rare earth elements segregate at grain boundaries resulting in the presence of micro-cracks and micro-holes.
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.
当磁场强度不变,随着磁场梯度的增大,初晶硅的偏聚量增加,晶粒尺寸变小。
The amount of segregated primary silicon grains increases with increasing magnetic gradient, whereas the grain size decreases.
时效初期,过饱和固溶体分解形成原子偏聚区,电子散射增加,合金电导率下降。
At the beginning of ageing, GP zone was formed with the decomposition of the supersaturated solid solution, electron scattering increased, the electrical conductivity decreased.
说明砷、镍在钢材中有严重的凝固偏聚现象,而铬、锰则有轻微或无凝固偏聚现象。
These show that as, Ni in steel having seriously freeze and aggregation phenomenon. By contrary, the phenomenon was so slight in Cr, Mn.
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.
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.
其高温回火脆性是晶界上m_6c碳化物的析出长大和由此所产生的晶界磷偏聚共同作用的结果。
The tempering embrittlement results from the precipitation and growth of M_6Ccarbides particles and the segregation of phosphorus at prior austenite grain boundaries.
本文提出,可以用晶界对溶质原子热运动散射的量子理论来解释溶质原子在运动晶界上的偏聚现象。
In present work, the quantum theory of scatter of grain boundary to solutes has been proposed to explain the solute segregation on moving boundaries.
本文提出,可以用晶界对溶质原子热运动散射的量子理论来解释溶质原子在运动晶界上的偏聚现象。
In present work, the quantum theory of scatter of grain boundary to solutes has been proposed to explain the solute segregation on moving boundaries.
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