Based on the theory of grain boundary segregation, the impurity phosphorus in 225Cr1Mo steel which is widely used for hydrogenation reactors was chosen to study the kinetics of temper embrittlement.
基于晶界偏析理论,以广泛应用于加氢反应器的材料2 25Cr 1Mo钢为研究对象,以2 25Cr 1Mo钢中杂质元素P的晶界偏析为基础,研究加氢反应器回火脆化动力学,建立加氢反应器长期使用过程中产生回火脆化动力学模型(混合模型),为在役加氢反应器材料损伤的研究以及寿命预测提供理论基础。
The characteristics of grain boundary segregation of Mg in Al alloy and its effects on the grain boundary properties have been simulated by computer based on the embedded atom method.
结果表明 ,Mg的晶界偏析具有自发性 ,并且降低基体的电荷密度和空位形成能 ,从而导致晶界脆化。
The model of grain boundary segregation and intergranular fracture for a trinary alloy was proposed in this paper.
提出了一个三元合金晶界偏析与沿晶断裂模型，并将该模型与准化学理论相结合，研究了高强铝合金Mg、H晶界偏析对沿晶断裂功的影响。
Segregation at interface of the composites is studied.
利用挤压铸造制备了纤维增强铝合金复合材料 ,研究了复合材料的界面偏析。
The results indicate that at the end of solidification of the composites,the change of the solute in the surplus liquid phase results in the type of matrix alloy being changed because of the selecting crystallization,and the segregation at interface is finally formed.
利用挤压铸造制备了Ａｌ２Ｏ３ｆ／Ａｌ－４％ Ｃｕ 合金复合材料，研究了复合材料的界面偏析。
The conclusion held that the minefield boundary was classified mainly by the resources and the seam boundary should be as the minefield boundary.
结论认为,井(矿)田境界是以划分资源为主体,应该以煤层境界作为井(矿)田境界;新方法确定的井(矿)田境界储量浪费或呆滞量比例过大,与建设节约型社会不符。
In addition, electromagnetic Stirring reduced the lamellar segregation of deposited metals and the composition distribution tended to be homogenous.
电磁搅拌使管线钢埋弧焊缝的层状偏析现象明显改善，成分分布趋于均匀，有利于提高焊缝金属的抗腐蚀性。
Grain Boundary Segregation Behavior of Ti14 Alloy after Semi-Solid State Deformation
Ti14合金半固态变形的晶界偏析行为
On the Quick-Cool Phenomenon in Ultrasonic Metal Welding--Basing on the Grain Boundary Segregating Theory;
晶界偏析理论对超声金属焊接速冷现象的分析
Effects of double-peaking aging on grain boundary segregation of Mg and properties for 7175 alloy
“双峰”时效对7175合金Mg晶界偏析及性能的影响
Effect of Grain Boundary Segregation of Residual Elements Cu-As-Sn on Intergranular Embrittlement Fracture of Low Alloying Steel
低合金钢残余元素Cu-As-Sn的晶界偏析对晶间脆性断裂的影响
Effect of Grain Boundary Segregation on Electrochemical Performance and Dissolution Behaviour of Aluminium Alloy Sacrificial Anode;
晶界偏析对铝合金牺牲阳极电化学性能及溶解行为的影响
Impurities tend to segregate at grain boundaries.
杂质常常在晶粒间界偏析。
This paper shows that inheritance phenomenon of coarse austenite grains are due to the boundary segregation of carbide along the prior austenite grain boundary.
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。
Equilibrium Grain Boundary Segregation of Phosphorus and Molybdenum in a 2.25Cr1Mo Steel;
2.25Cr1Mo钢中P与Mo的平衡晶界偏聚
Tin Segregation Behavior to Grain-Boundary and the Hot Ductility of Low Carbon Steel;
Sn的晶界偏聚行为与低碳钢的热塑性
Research Progress in Grain Boundary Segregation of Solute Atoms inInconel 600 and Inconel 718 Superalloys
Inconel 600及Inconel 718合金晶界偏聚研究进展
Nonequilibrium Grain Boundary Co-Segregation of Nickel and Tin in NiCrMoV Steel
NiCrMoV钢中铌和锡的非平衡晶界共偏聚
Grain-boundary Segregation of Phosphorus Induced by High Temperature and Low Tensile Stress in 2.25Cr1Mo Steel;
高温低拉应力下2.25Cr1Mo钢中P原子的晶界偏聚
Phosphorus Grain Boundary Segregation under Moderate and High Applied Tensile Stress at High Temperature in a 2.25Cr1Mo Steel
高温和中、高张应力下2.25Cr1Mo钢中P原子的晶界偏聚
Non-equilibrium grain-boundary segregation for phosphorus in steel and its effect on temper embrittlement
磷的非平衡晶界偏聚现象及对回火脆性的影响
Non-equilibrium grain boundary segregation of phosphorous during high temperature plastic deformation
高温塑性变形引起的P非平衡晶界偏聚
Analysis of the characteristics of grains and grain boundaries in the non-oriented steel by EBSD
无取向硅钢晶粒与晶界特征的EBSD分析
Solute Partition and Segregation in Bridgman Growth Process
Bridgman法晶体生长中的溶质分凝与偏析
Phase-field Method of Dendrite Growth and Microsegregation during Solidification
凝固过程枝晶生长与微观偏析的相场法模拟