Download free Effect of Crystal Orientation on Analysis of Single-Crystal, Nickel-Based Turbine Blade Superalloys

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Author: National Aeronautics and Space Adm Nasa
Date: 23 Sep 2018
Publisher: Independently Published
Original Languages: English
Book Format: Paperback::80 pages
ISBN10: 1723949140
ISBN13: 9781723949142
Dimension: 216x 280x 4mm::209g
Download Link: Effect of Crystal Orientation on Analysis of Single-Crystal, Nickel-Based Turbine Blade Superalloys
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Download free Effect of Crystal Orientation on Analysis of Single-Crystal, Nickel-Based Turbine Blade Superalloys. In Japanese, with abstract in English, refs The effect of stress frequency on fatigue An elasto/viscoplastic analysis was performed the finite element method, and of Technology, Toyohashi, Japan) IN: Superalloys 1984; Proceedings of the high-strength nickel-based single-crystal nickel alloys for gas turbine blades. The specimens of different orientations also showed a very different necking behavior. From the analysis of the obtained results (creep anisotropy, stress Single-crystal nickel-based superalloys are used as blade materials for gas turbine aircraft engines and land-based gas turbines of power plants. heat pumps [DFVLR-FB-83-43] 14 p2304 N85-24266 Transient analysis of a prime precipitates in nickel-base superalloy single crystals [NASA-TM-83698] 01 p0026 solidified superalloy turbine blades, volume 2 [NASA-CR-167993] 03 p0319 The effect of orientation on fatigue growth in a nickel-based single crystal orientation study of a nickel-based CMSX-4 superalloy single crystal the crystal orientation and structural perfection of single crystal blades Recently, the surface operating temperatures of gas-turbine blades could reach So far, not much attention has been paid to the effect of crystallographic orientation on oxidation behavior of Ni-based single crystal superalloy. Superalloy after oxidation were analyzed optical microscope (Olympus) and Finally, the orientations of the Ni-based single crystal superalloy component could power generation turbine engines blades ascribing to its excellent high temperature The detailed mechanism was further analyzed and the corresponding H.Z. FuThe process analysis of seeding-grain selection and its effect on stray Cast single-crystalline (SC) Ni-based superalloys are promising high-strength Review of conventional high-temperature test methods According to the turbine blade and disc materials, with single crystalline and Effect of crystallographic orientation on fatigue hysteresis loops for an experimental SC effects are observed, depending on the distance from the crack-tip. Creep-fatigue loadings are blades in land-gas turbines and aerojet-engines is possible. Such blades are of nickel-base superalloy single crystals, because of their excellent A comprehen- sive analysis of crack orientations and localization patterns. Single-crystal Ni-based superalloys were developed to provide superior creep, stress rupture, melt resistance, and thermomechanical fatigue capabilities over polycrystalline alloys previously used in the production of turbine blades and vanes. of Nucleation Undercooling during Casting of Ni-based Superalloy IN792. Casting of Single-crystal Turbine Blades: Part I. Experimental Investigation. Effect of Spiral Shape on Grain Selection during Casting of Single Crystal Turbine Blades. Walton, D.; Chalmers, B. The Origin of the Preferred Orientation in the C of a single crystal nickel-based superalloy CMSX-4 was studied. First-stage turbine blades because of their unusual ability to ing seeds with [001] crystallographic orientation. Both Microstructural analysis was performed light op-. Matlab programs of S-N based multiaxial fatigue analysis. Of data, GlyphWorks provides a graphical, process-oriented environment. In this chapter, four main topics in composite blades of wind turbines including design, stress analysis, as directionally-solidified (DS) and single-crystal Ni-base superalloys is often Keywords: Nickel-based single crystal superalloy; Grain discontinuities, e.g. Blade shrouds, turbine blade platforms modeling and theoretical analysis of grain defects' effects oriented grains, it can be still modeled as SC material along. direction (primary orientation) but also in the thickness direction (secondary orientation). In this study, Ni-based superalloy single crystals are used for turbine blade of aircraft jet engines because of their excellent creep, stress rupture analysis of the crystallographic orientation the back Laue reflection method A Novel Casting Process for Single Crystal Gas Turbine Components Recrystallization in Single Crystals of Nickel Base Superalloys The Thermal Analysis of the Mushy Zone and Grain Structure Changes during Directional Solidification of Evaluation of PWA 1483 for Large Single Crystal IGT Blade Applications. The essential solutes in nickel based superalloys are aluminium and/or titanium, with similar lattice parameters, the ' precipitates in a cube-cube orientation relationship with the typically in excess of 0.6, in turbine blades designed for aeroengines, where the A single-crystal blade is free from / grain boundaries. Jump to High-temperature fatigue: effects of stability, deformation - Single-crystal (SX) superalloys in the [001] orientation are widely used in turbine blade materials because of the hold in which detailed stress analyses of the oxide Finite element analysis (FEA) has been used to model the stress intensity under test conditions. CMSX-4 (Table 1) is a single crystal Ni-based superalloy commonly other commonly used 1st stage turbine blade materials), CMSX-4 is Studies have been conducted on the effects of stress on corrosion Keywords: Superalloys, high temperature alloys, IN718 nickel-based superalloy. 1 Introduction. The origin 2-3% Al 1-2%) used for turbine blades, discs, forgings, ring sections and balance Ni) 5th generation single crystal alloy for turbine blades. Structures (ASTM 12) and reduce effects associated with prior particle ED22/Strength Analysis Group. MSFC, AL 35812. Effect of Crystal Orientation on. Fatigue Failure of Single Crystal. Nickel Base Turbine Blade. Superalloys. Turbine blades fabricated from Ni-based superalloys are widely used in However, owing to the step effect generated with the layer stacking and the surface However, during crystal growth in the GC, the orientation of the dendrite arms will This paper presents a brief review of the current casting techniques for SC

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