superalloy相关论文
通过改变试样在热处理过程中的升温速率,研究了升温速率对激光立体成形(LSF)GH4169合金再结晶过程的影响,分析了升温速率对再结晶形核......
激光立体成形GH4169合金具有晶粒粗大且分布不均匀和孪晶界体积分数大等特点,在很大程度上影响了合金疲劳性能。采用热等静压处理对......
师昌绪是当代著名的金属学及材料学科学家。在高温合金领域,最先提出并攻克了包套挤压工艺难关,为变形高温合金的生产开辟了一条新......
研究了喷丸压力和喷丸时间对一种镍基单晶高温合金再结晶的影响。运用再结晶动力学,分析并探讨了喷丸处理后镍基单晶高温合金的再......
Microstructural evolution and mechanical properties of NiCrAlYSi+NiAl/cBN abrasive coating coated su
Cyclic oxidation behavior of NiCrAlYSi + NiAl/cBN abrasive coating at 900 ℃ and the mechanical properties of the coatin......
Using TiAl alloy to substitute superalloy is a hot topic in aeroengine industry because of its low density, high elevate......
An overview of the development and current status of the directional solidification process assisted by liquid metal coo......
研究了于镍基合金表面低温包埋渗铝的可行性。包埋渗涂层为双层结构,外层主要由Al3Ni2和Al3Ni相组成,内层主要由Al3Ni2相组成。之......
Thermally Grown Oxide(TGO) is a dominating component in controlling the effectiveness of thermal barrier coating.During ......
利用共聚焦扫描激光显微镜直接观察一种常见高温合金(IN718)的凝固过程。根据动态原位观察结果,凝固过程中的液相体积分数可以表示......
A kind of Ni-Cr-Fe-B-Si system amorphous alloy was used as interlayer in transient liquid-phase bonding (TLP bonding) of......
The main aim of this study was to investigate liquation cracking in the heat-affected zone (HAZ) of the IN939 superalloy......
为了研究镍基GH4169高温合金自然萌生小裂纹的扩展行为,采用单边缺口拉伸(SENT)试样进行了室温下应力比R=0.1,0.5的小裂纹扩展试验......
The precipitating regulation and mechanism of TCP phase (μ phase and σ phase) are studied, using electron hole number ......
Effects of temperature on tensile properties and deformation behavior of the nickel-based superalloy GH4586A have been i......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Effect of Ti and Al on microstructure and partitioning behavior of alloying elements in Ni-based pow
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Investigation on the homogenization treatment and element segregation on the microstructure of a γ/γ
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Coupling effects of tungsten and molybdenum on microstructure and stress-rupture properties of a nic
In order to comprehensively understand the forming mechanism of abnormal phases solidified in a nickel-base cast superal......
The effects of trace elements on grain boundaries were investigated by analyzing the feature and com-position of the bou......
MICROSTRUCTURES AND THE STRUCTURE STABILITY OF INCONEL 725, A NEW AGE-HARDENABLE CORROSION RESISTANT
INCONEL725 is a highly corrosion resistant nickel based alloy capable of being age-hardened to high strength levels. The......
对用于先进超超临界机组锅炉的候选高温合金Alloy 263在固溶处理、沉淀硬化处理和750℃时效3 000 h过程的组织演变行为进行了研究......
为解决定向凝固高温合金DZ4在磨削加工中极易发生的磨削烧伤问题,采用先进的测试方法,对磨削过程中磨削力、磨削温度、工件表面形貌......
Microstructure evolution of a single crystal nickel-base superalloy during heat treatment and tensile creep at1010℃ and......
A new modified A-286 (15Cr-28Ni-1.5Mo-1W-2Ti-Nb-Al) (mass fraction) designated as GH871 is characterized by high strengt......
The effect of δ phase on the hydrogen embrittlement (HE) sensitivity of Inconel 718 was investigated by conducting notc......
The cast structure of a K465 nickel-based superalloy with different temperatures of melt superheating treatment was stud......
The alternative heating/cooling cycles(thermal fatigue)of K465 superalloy were carried out. The specimens were held at 1......
The hot deformation characteristics of as-cast nickel-base superalloy GH742y after hot isostatic pressing (HIP)(hereafte......
Up to now, the aluminide coatings used to protect industrial components at high temperature and corrosive environments h......
The “soft canning” heat preservation technique is invented by Baoshan Iron & Steel Co.,Ltd.(Hereafter referred to Baos......
The freckle formation and their phase characterizatics in freckle areas were investigated by means of microstructure ana......
Chromium free low expansion superalloys Incoloy 900 series based on the system Fe-Ni-Co-Nb-Ti are precipitation-strength......
The role of niobium in nickel-based superalloys is reviewed. The importance of niobium as a strengthener is discussed. N......
Solute redistribution and Rayleigh number in the mushy zone during directional solidification of Inc
The interdendritic segregation along the mushy zone of directionally solidified superalloy Inconel 718has been measured ......
A novel nickel-based superalloy INCONEL 740 was under development for application in ultra-supercritical superheater tub......
Effects of cyclic loading on temperature evolution of ULTIMET superalloy: experiment and theoretical
High-speed, high-resolution infrared t hermography, as a non-contact, full-field, and nondestructive technique, was used......
目的通过理论预测及胀形实验建立GH625高温合金的成形极限曲线,并结合仿真手段揭示其成形性能。方法首先,通过基本力学性能测试获......
随着计算方法和铸造工艺的发展,数值模拟技术在铸造领域中得到了广泛应用。涡轮作为发动机上的重要热端部件,其结构伴随着发动机的......
为解决航空发动机高导内机匣裂纹修复问题,采用RRW3040型激光熔覆设备对1.5mm厚的高温合金GH3044进行有间隙对接焊接,对焊接坡口间......
粉末冶金高温合金中元素偏析以及粉末原始颗粒边界是影响材料性能的重要因素,由于其颗粒粒径通常为几十微米,宏观的成分分布分析方......
目的研究采用IN939粉材对镍基高温部件增材修复的可行性,获得增材修复区微观组织与性能分布规律,为燃机部件修复提供支持。方法探......
对一种镍基高温合金进行脉冲电流处理,研究了脉冲电流与时效处理过程中γ’相的粗化行为.结果表明,与相同温度时效状态相比,脉冲电流条......
研究了不同温度的熔体过热处理对M963合金吸氮行为的影响.结果表明:在1600~1650℃进行熔体过热处理, 合金中的氮含量因精炼作用而略......
建立镍基高温合金熔模铸件凝固过程的宏/微观多尺度数理模型,基于射线追踪法处理热辐射,模拟铸件的温度分布,采用三维宏/微观网格嵌套和......
利用Third wave AdvantEdge FEM软件建立了三维切削模型,对高温合金GH4169进行了高速铣削模拟加工.通过模拟分析得到了切削速度、......
采用1.5mm厚高强钢以及1.7mm厚高温合金薄板制作成紧凑拉伸试件,对预制裂纹延长线进行3次叠加(光斑直径6mm)激光冲击处理,进行裂纹......
本文论述了VIM超纯净熔炼高温合金工艺方法的特点及应用,讨论了高温合金VIM熔炼的辅助工艺措施。......
利用硅-碳管炉制备凝固样品,采用金相显微镜观察DZ68合金的凝固过程,利用电子探针测定DZ68合金凝固过程中的元素含量,研究DZ68合金的......
通过在高速凝固法(HRS)定向凝固过程中调整隔热挡板与壳型之间的间隙,获得了较低的定向凝固温度梯度(~30℃/cm),制备了含有雀斑组......