护环

含N钢在1050℃塑性最大，高温塑性随钢中氮含量的增加而减小，因此改善变形方式以提高工艺塑性是防止热裂，提高护环质量的有效途径。

The maximum reduction of area of containing nitrogen steel was at ( 1 050 ) ℃, and the high plastic deformation region shrunk with increasing nitrogen content in steel . Therefore modifying deformation model to increase process plasticity is an available way to increase the quality of retaining ring .

护环特殊现象的分析与鲍辛格效应的实验研究

Analysis of an unusual phenomenon in retaining ring and experimental study on Bauschinger effect

护环钢50Mn（18）Cr4沿晶断裂分析及其对晶界损伤本质的探讨

Intergranular failure analysis of retaining ring steel 50Mn_ ( 18 ) Cr_4 and explore for the essence of grain boundary damage

几种离子注入模式抑制电机护环钢SCC性能比较

Comparison of three modes of ion implantation to restrain SCC behavior of generator retaining ring steel

稀土铒和铬离子注入对电机护环钢SCC性能的影响

Effects of ion implantation with rare-earth erbium and chromium on SCC behaviour for generator retaining ring steel

Cr~++Er~+重叠注入电机护环钢的抗SCC性能研究

A Behaviour Study on Stress Corrosion Cracking Resistance of Generator Retaining Ring Steel Overlap-Implanted by Chromium and Erbium Ions

高速电机转子用F-12芳纶/环氧复合材料护环的研究

Application of F-12 Aramid Fiber in Retaining Ring of High-speed Generator Rotor

100MW空冷汽轮发电机护环强度分析

Strength Analysis on 100 MW Air-cooled Turbine Generator Protecting Ring

35号30万kw护环胀形后，检查内环σ（0.2）偏低，是由于一端脱模晚引起鲍辛格效应所致。实验完全证明了这个分析。

It was experimentally demonstrated that the reduction of proof strength σ 0.2 of an inner protective ring ( No.35 ) after expansion was resulted from the Bauschinger effect caused by delayed demoulding .

回火温度对18-18-N护环材料力学性能的影响

The Effect of Tempering on Mechanical Properties of Retaining Ring Material 18-18-N

本文用I-Deas有限元程序对100MW空冷汽轮发电机转子护环强度进行了分析，用GAP单元处理护环接触问题，使护环的配合公盈和应力分布达到了最优设计。

Strength analysis on 100 MW air-cooled turbine generator rotor protecting ring is presented in this paper by I-Deas finite element method . Optimum design for cooperating tolerance and stress distribution of protecting ring is obtained with GAP elements to solve contact condition .

提出了对QFS602型双水内冷发电机转子小护环紧力的计算方法及监测方法，并论述了监测的必要性。

The method for the calculation and monitoring of contracting force at small retaining ring in QFS-60-2 double-water inside cooling generator was raised and the necessity of monitoring of contracting force was discussed .

结合近几年来发生的几起国产200MW汽轮发电机事故及故障，阐明了发电机中氢气湿度过大对定子线圈绝缘、转子线圈绝缘、转子护环应力腐蚀及机组经济效益的影响。

By combining with several accidents and failures of 200 MW turbogenerators for recent years , effect of excessive hydrogen moisture in them on stator coil insulation , rotor coil insulation , stress corrosion of retaining rings and economy benefit of generating sets is described .

护环钢热成形微观机制的模拟研究

The Study Hot Forming and Microstructure Simulation of Retaining Rings Steel

护环液压胀形新装置的试验研究

Test and research on new hydraulic bulging device for retaining ring

发电机转子护环变形强化模具的研究

Research on deforming strengthened die of the generator rotor retaining rings

大型护环热成形新技术的开发研究

Development of a new hot forming technology for heavy retaining rings

护环是汽轮发电机的重要部件。

The retaining ring is an important component of turbo generator .

护环的宏观残余应力不允许用回火方法去除，高的回火温度会损失护环的力学性能指标。

There is a high macro residual stress in retaining ring .

制造高强钢护环新工艺流程的研究

Study of New Technological Process of Making High-Strength Steel 's Retaining Rings

无磁性护环的应力腐蚀和耐蚀材料

Stress Corrosion of Nonmagnetic Retaining Rings and Corrosion Resistant Material

电机护环成型模具的研究

Study of Die Mould for Retaining Ring in Electric Generator

基于护环技术的混凝土中钢筋腐蚀监测研究

Field corrosion monitoring of rebars in concrete by guard ring electrode method

纤维增强复合材料电机护环的研制

The manufacturing methods of fibers-reinforced composites retaining rings for generator

护环钢的微观组织与疲劳断裂特征

Characteristics of Microstructure and Fatigue Fracture of Retaining Ring Steel

两炮成形强化护环拐点外移时残余应力的解析解

Analytical solution of residual stress at inflexion of retaining ring moves outside

大型汽轮发电机转子护环热套应力测试技术研究

Stress Determination about Heat Sleeve of Rotor Retaining Ring in Large Turbogenerator

护环的组织与性能研究

The Research on Microstructure and Its Properties of Retaining Ring Material s

护环成型技术及质量控制的新进展

The New Evolvements in Forging Technology and Controlled Quality for the Retaining Rings

发电机护环液压校形技术的研究

Research on Hydraulic Sizing Technique of Generator Retainer Ring