... fatigue testing gas turbines lead nickel alloys stress relaxation superalloys Considering small deformations, the total strain ɛ can be expressed by the additive composition of the thermal strain ɛ th , the elastic strain ɛ el  = σ/ E , and the inelastic strain ɛ in , 1 ɛ = ɛ th...

... boron alloys creep testing fatigue testing gas turbines life testing maintenance engineering nickel alloys scanning electron microscopes Cobalt-based superalloys are used in gas turbine hot section components such as combustor casings, transition ducts, and turbine vanes for both...

... turbines hardening nickel alloys softening stress relaxation stress-strain relations In gas turbines, it is important to design for high gas temperatures as possible in order to attain a high thermal efficiency. The high temperature load carrying ability of critical components is therefore one...

... ). aerodynamics compressive strength compressive testing creep failure analysis gas turbines nanoindentation nickel alloys scanning electron microscopy superalloys surface roughness thermal barrier coatings 2011 American Society of Mechanical Engineers ...

... reflects the difficulties connected with the quantification of problems in machinability. polar diagram machinability Inconel 718 chromium alloys cutting tools iron alloys machinability nickel alloys superalloys wear 19 05 2010 21 05 2010 21 03 2011 21 03 2011...

... failure modes observed in combustors. 13 05 2010 25 05 2010 23 11 2010 23 11 2010 cobalt alloys combustion equipment creep durability failure analysis gas turbines nickel alloys thermal barrier coatings thermal stress cracking Conventional combustor walls...

... samples will be presented and compared. 10 05 2010 02 06 2010 23 11 2010 23 11 2010 alloys chromium alloys gas turbines heat exchangers iron alloys life testing nickel alloys oxidation A primary surface recuperator (PSR) is a counter flow heat exchanger...

.... Information generated from such studies, however, can significantly contribute to improving the performance of existing coating systems and/or developing new coatings of more universal applicability. adhesion aluminium alloys coating techniques electron optics nickel alloys titanium alloys...

... casting failure (mechanical) fatigue cracks fatigue testing gas turbines nickel alloys polymer blends stress analysis stress-strain relations Ni base DS superalloy gas turbine blade biaxial fatigue high temperature life prediction About 40% of electricity generated by thermal...

... cracks iron alloys nickel alloys oxygen 11 11 2008 14 11 2008 30 06 2010 30 06 2010 Advanced energy production systems, including high temperature gas reactor systems, will require the use of metallic materials at temperatures as high as 950 ° C . Alloys...

.... 08 04 2009 15 04 2009 10 05 2010 10 05 2010 aerospace engines blades compressors fatigue testing finite element analysis nickel alloys test equipment titanium alloys wear Aeroengines incorporate a large number of mechanical joints, for which fretting fatigue...

... material, can be presented. aerospace materials aluminium alloys brazing brittleness chromium alloys cooling cracks diffusion bonding heat treatment manganese alloys nickel alloys nucleation precipitation solidification solubility superalloys thermodynamics titanium alloys...

... ). The all-welded annular PSR design has proven to be resistant to fatigue cracking due to thermal and pressure cyclings. austenitic stainless steel chromium alloys combustion costing creep iron alloys manganese alloys materials testing nickel alloys niobium alloys oxidation solid solution...

... due to high temperature oxidation. The major cause of failure in single crystal turbine blades are both mechanical and thermal stresses caused by strains induced by thermal gradients during rapid heating and cooling phases. aerospace engines blades fatigue nickel alloys turbines 01...

... and draws some conclusions on the appropriate helium chemistry regarding the material compatibility at high temperature. 03 11 2008 28 11 2008 16 07 2009 chemical reactors corrosion resistance nickel alloys oxidation surface hardening AREVA NP has launched the ANTARES...

... alloys nickel alloys Haynes 230 and Inconel 617 have been successfully used for high temperature applications for years. They are, respectively, strengthened by the addition of tungsten and molybdenum plus cobalt in the nickel based. Their good oxidation resistance is provided by a high chromium...

... aluminium alloys blades chromium alloys cobalt alloys corrosion protection corrosion protective coatings gas turbines iron alloys nickel alloys viscoplasticity yttrium alloys MCrAlY materials are a class of alloys, which consist of a base metal (M) of nickel (Ni), cobalt (Co), and/or iron...

... manganese alloys nickel alloys superalloys 16 04 2008 23 04 2008 11 02 2009 2009 American Society of Mechanical Engineers ...

... compressive strain. 6 Compressive hold strain cycle (CHSC): opposite to THSC with compressive stress relaxation. 01 04 2008 02 04 2008 10 02 2009 compressive strength creep fracture dislocation pile-ups fatigue cracks gas turbines nickel alloys superalloys surface...

... life testing molybdenum alloys nickel alloys niobium alloys superalloys tantalum alloys titanium alloys tungsten alloys 31 10 2007 20 09 2008 29 01 2009 2009 American Society of Mechanical Engineers ...