us5312497a - method of making superalloy turbine

The Characterization of Freckle Casting Defects in

NICKEL-BASE SUPERALLOY TURBINE BLADES By Erik M. Mueller August 2003 Chair: Dr. Michael Kaufman Major Department: Materials Science and Engineering The purpose of this project was to characterize equiaxed grains, or freckles, that appear on the

Multiscale modelling of single crystal superalloys for gas turbine

Multiscale Modelling of Single Crystal Superalloys for Gas Turbine Blades PROEFSCHRIFT ter verkrijging van de graad van doctor aan de Technische Universiteit Eindhoven, op gezag van de Rector Magnificus, prof.dr.ir. C.J. van Duijn, voor een commissie

US Patent for Method for substrate stabilization of

2006/2/22These turbine blades are small commercial engine blades made of refractory-containing superalloy and having a size (overall blade length) of about 1.5″. The blades were maintained under a reducing atmosphere, as hydrogen was introduced into the furnace to a pressure of about 0.150 Torr until the carburizing temperature of 1975 F. was reached.

A Useful Equation for Gas Turbine Design

2018/3/1With this clear statement in mind, I would like to go over a simple mathematical equation that explains some gas turbine phenomena and design in a straightforward and elegant way. This equation is written in terms of the variables X 1, X 2 and X 12, where 0≤X≤1.0 and X 12 is given by

Patent Report:

2020/7/1The present invention provides a Ni-based single crystal superalloy which has the following composition by weight: 0.1 wt % or more and 9.9 wt % or less of Co, 5.1 wt % or more and 10.0 wt % or less of Cr, 1.0 wt % or more and 4.0 wt % or less of Mo, 8.1 wt % or

Evaluation of service conditions of high pressure turbine

2020/3/1Evaluating the service conditions of high pressure turbine blades in areoengine, which is the key point for component design and remaining life prediction, has always been a great challenge. In this study, we report a method, which is developed by back propagation

Manufacture of Turbomachinery

the attachment of the turbine blades. The discs are cooled on both sides to limit conduction from the blades The method of attaching the blades to the disc is very important, since the stress in the disc around the fixing or in the blade root limits the rim

US Patent for Method of fabricating a bath of electrolyte

2013/4/18Such a bath of electrolyte for making a platinum-based metallic underlayer on a superalloy substrate is characterized in that it includes an amino complex of platinum with the wavelength of a Pt—NH 3 or Pt—NH 2 bond and a buffer solution.

Developments of cast superalloys and technology for

Since 1960's many important subjects relating to cast turbine blades including alloy developments, directional solidification (DS) and single crystal (SC) technique and casting technology for blades have been performed with great successes in Beijing Institute of Aeronautical Materials (BIAM) in order to meet the requirements for developing new aero-engines in China.

Multiscale modelling of single crystal superalloys for gas turbine

Multiscale Modelling of Single Crystal Superalloys for Gas Turbine Blades PROEFSCHRIFT ter verkrijging van de graad van doctor aan de Technische Universiteit Eindhoven, op gezag van de Rector Magnificus, prof.dr.ir. C.J. van Duijn, voor een commissie

Modeling of grain selection during directional

2010/5/13Single crystal superalloy turbine blades are currently widely used as key components in gas turbine engines. The single crystal turbine blade casting's properties are quite sensitive to the grain orientation determined directly by the grain selector geometry of the casting, A mathematical model was proposed for the grain selection during directional solidification of turbine blade casting

US Patent Application for THERMAL BARRIER

2007/11/23The invention is applicable to making a superalloy machine part having a ceramic coating with said composition, and possibly also a bonding underlayer. Latest SNECMA MOTEURS Patents: Hardened martensitic steel, method for producing a component

Nickel

The nickel-based superalloy Inconel is widely used as a heat-resisting material in aeroengines but it is subject to oxidative wear at 700–900 C. Wright, at Rolls-Royce Ltd., studied yttrium-implanted Inconel in a button-on-plate wear test at high temperatures, and found a substantial reduction in wear.

vacuum casting superalloy turbine wheel mtu marine

vacuum casting superalloy turbine wheel mtu marine parts, US $ 50 - 70 / Piece, Shandong, China, YILICASTING, As customer's need.Source from Shandong Yili Power Technology Co., Ltd. on Alibaba. Testing Service Details Machine Name Material's

The Protection of Gas Turbine Blades

Turbine blades in gas turbine engines operate at elevated temperatures and in highly oxidising atmospheres that can be contaminated with fuel residues and sea water salts. These components, which are expensive to produce, are subjected to high stresses during operation but must be totally reliable during their design life. An economic way to maintain blade properties is to coat the base metal

US Patent for Method of fabricating a bath of electrolyte

2013/4/18Such a bath of electrolyte for making a platinum-based metallic underlayer on a superalloy substrate is characterized in that it includes an amino complex of platinum with the wavelength of a Pt—NH 3 or Pt—NH 2 bond and a buffer solution.

Patent Report:

2020/7/1The present invention provides a Ni-based single crystal superalloy which has the following composition by weight: 0.1 wt % or more and 9.9 wt % or less of Co, 5.1 wt % or more and 10.0 wt % or less of Cr, 1.0 wt % or more and 4.0 wt % or less of Mo, 8.1 wt % or

US Patent Application for SUPERHARD ELEMENT,

2011/2/11Embodiments of the invention relate generally to superhard elements, particularly but not exclusively for machining superalloy material, method of making same and method for using same. A superalloy is an alloy that exhibits excellent mechanical strength and creep resistance at high temperatures, good surface stability, and corrosion and oxidation resistance.

Multiscale modelling of single crystal superalloys for gas turbine

Multiscale Modelling of Single Crystal Superalloys for Gas Turbine Blades PROEFSCHRIFT ter verkrijging van de graad van doctor aan de Technische Universiteit Eindhoven, op gezag van de Rector Magnificus, prof.dr.ir. C.J. van Duijn, voor een commissie

The Effect of Surface Treatment with Intense Pulsed Electron Beams on the Oxidation Resistance of Ni

the superalloy parts, being the most expensive compo-nents, determine life of the product and its reliability during operation. tive method for surface processing of turbine blades fron Ni-superalloys with NiCrAlY coating. This method enables: – to modify 20–30

Developments of cast superalloys and technology for

Since 1960's many important subjects relating to cast turbine blades including alloy developments, directional solidification (DS) and single crystal (SC) technique and casting technology for blades have been performed with great successes in Beijing Institute of Aeronautical Materials (BIAM) in order to meet the requirements for developing new aero-engines in China.

Experimental investigation of magnetic

Inconel 706 is an advanced superalloy that possesses higher strength along with ease of fabricability [1]. Inconel 706 can be shaped with large size diameter, which makes it convenient for making turbine disks owing to its out-standing chemical stability and

Development of Advanced Materials and Manufacturing Technologies for High

applied them for their products. Generally, depending on the casting method, superalloys used in turbine blades are classified as one of the following: conventional cast alloys, directionally solidified alloys, and single crystal alloys. Of these three types, MGA1400

Deformation and recrystallization of single crystal

2015/3/11. Introduction Turbine blades for gas turbine applications are fabricated by investment casting, often in single crystal form, which can allow higher inlet gas temperatures to be used and increase efficiency. However, the external and internal geometries of single

What Are The Categories Of Superalloys

2018/9/25For example, the lifetime of DD402 single crystal alloy is greater than 100 hours under the stress of 1100 C and 130MPa. This is the highest temperature turbine blade material used in China, suitable for making a new type of high-performance engine turbine

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