Results 31 to 40 of about 10,456 (224)

Primary and secondary dendrite spacing of Ni-based superalloy single crystals [PDF]

Journal of the Serbian Chemical Society, 2009
Ni-based superalloy single crystals were grown by different methods (gradient method and Bridgman technique with spontaneous nucleation and with seed).
SLOBODANKA KOSTIC, ALEKSANDAR GOLUBOVIC, ANDREJA VALCIC   +2 more
doaj   +3 more sources

Optimizing Scale Adhesion on Single Crystal Superalloys [PDF]

Materials Science Forum, 2001
To improve scale adhesion, single crystal superalloys have been desulfurized to levels below 1 ppmw by hydrogen annealing. A transition to fully adherent behavior has been shown to occur at a sulfur level of about 0.2 ppmw, as demonstrated for PWA 1480, PWA 1484, and Rene N5 single crystal superalloys in 1100-1150 C cyclic oxidation tests up to 2000 h.
James L. Smialek, Bruce A. Pint
openaire   +1 more source

Research progress in application of nickel-based single crystal superalloy/thermal barrier coating system

Cailiao gongcheng
In the pursuit of achieving a superior thrust-to-weight ratio and service reliability for advanced aero engines， increasingly stringent requirements are continually imposed on the material and process selection for turbine blades.
LIU Yanfei, ZHONG Yan, TAO Xipeng, TIAN Wei, GUO Huiming, LIANG Wei   +5 more
doaj   +1 more source

Beneficial Effect of Pt and of Pre-Oxidation on the Oxidation Behaviour of an NiCoCrAlYTa Bond-Coating for Thermal Barrier Coating Systems [PDF]

, 2011
The oxidation behaviour of a thermal barrier coating (TBC) system is a major concern as the growth of the thermally grown oxide (TGO) layer on the bondcoating creates stresses that greatly favour the thermal barrier spallation.
Monceau, Daniel, Oquab, Djar, Péré, Eve, Raffaitin, Aymeric, Vande Put, Aurélie   +4 more
core   +3 more sources

Research progress in additive manufacturing for repair technology of single crystal superalloy turbine rotor blades for aero-engine

Cailiao gongcheng
Single crystal superalloy turbine rotor blade is one of the core hot-end components of the aero-engine， which has a decisive role in the thrust and performance of the aero-engine.
QIN Renyao, QU Zhiqi, CHEN Bingqing, SUN Bingbing, ZHANG Xuejun, ZHANG Guohui   +5 more
doaj   +1 more source

Mechanism of improved intermediate temperature plasticity of nickel-base single crystal superalloy with hot isostatic pressing

Journal of Materials Research and Technology, 2021
In this work, we investigate the effect of hot isostatic pressing on the intermediate temperature tensile property of nickel-base single crystal superalloy.
Weidong Xuan, Xiangyu Zhang, Yujuan Zhao, Junjie Li, Baojun Wang, Xingfu Ren, Zhongming Ren   +6 more
doaj   +1 more source

Thermal cycling behavior of EBPVD TBC systems deposited on doped Pt-rich γ–γ′ bond coatings made by Spark Plasma Sintering (SPS) [PDF]

, 2011
In the last decade, an increasing interest was given to Pt-rich γ–γ′ alloys and coatings as they have shown good oxidation and corrosion properties. In our previous work, Spark Plasma Sintering (SPS) has been proved to be a fast and efficient tool to ...
Boidot, Mathieu, Estournès, Claude, Hugot, J., Monceau, Daniel, Oquab, Djar, Selezneff, Serge   +5 more
core   +2 more sources

Advanced burner-rig test for oxidation-corrosion resistance evaluation of MCrAlY/superalloys systems [PDF]

, 2006
Protective coatings are used on gas turbine components to enable them to survive in engine-operating conditions. This study presents a recently developed cyclic burner-rig test that is used to simulate helicopter engine conditions and to assess the ...
Andrieu, Eric, Crabos, Fabrice, Monceau, Daniel, Raffaitin, Aymeric   +3 more
core   +3 more sources

Phenomenological and Physically Based Modeling of Flow Stress and Strengthening Mechanism of Inconel 718

Advanced Engineering Materials, EarlyView.
Nickel‐based alloys are widely used in high‐temperature applications due to their excellent mechanical strength and oxidation resistance. However, properties such as high‐temperature strength and pronounced work‐hardening make them difficult to machine.
Soheil Rooein, Oliver Schenk, Christoph Broeckmann   +2 more
wiley   +1 more source

Direct Laser Fabrication of a Gas Turbine Engine Component - Microstructure and Properties - Part I [PDF]

, 1998
This paper presents the development of a new technique for the production of abrasive turbine blade tips by direct laser processing. This superalloy cermet component is an integral part of the low pressure turbine sealing system in a demonstrator ...
Beaman, Joseph J., Bourell, David L., Danyo, Gregory, Das, Suman, E. Brown, Lawrence, P. Fuesting, Timothy, Sargent, Kathleen   +6 more
core   +1 more source