... 03 2011 24 06 2011 24 06 2011 crack-edge stress field analysis creep embrittlement finite element analysis fracture mechanics grain boundaries grain boundary diffusion microcracks nickel alloys oxidation oxygen stress effects superalloys surface cracks viscoplasticity...

... fatigue finite element analysis nickel alloys stress-strain relations superalloys fatigue life prediction notch analysis directionally-solidified Ni-base superalloys creep-fatigue The turbine blades in gas-powered turbine engines are exposed to extremely high temperatures...

... of the National Research Institute for Metals 0453-9222 , 28 ( 2 ), pp. 112 – 120 . 20 05 2010 18 01 2011 23 03 2011 23 03 2011 aluminium alloys boron alloys carbon chromium alloys extrapolation fatigue gas turbines molybdenum alloys nickel alloys niobium alloys...

... 01 09 2010 21 03 2011 21 03 2011 creep deformation directional solidification finite element analysis fracture nickel alloys regression analysis simulated annealing superalloys creep material modeling constitutive modeling creep damage directionally solidified DS...

... a microstructure with grains of approximately 2 μ m without a recrystallization anneal. Our method offers an alternative route for the production of small scale billets into a wire. billets elasticity extrusion nickel alloys tensile strength titanium alloys wires NiTi extrusion induction rolling...

... for Potential Application in a New Area: Tribological Engineering ,” Smart Mater. Struct. 0964-1726 , 9 , pp. 717 – 726 . 10.1088/0964-1726/9/5/317 Clayton , P. , 1993 , “ Tribological Behavior of a Titanium-Nickel Alloy ,” Wear 0043-1648 , 162–164 , pp. 202 – 210 . 10.1016/0043-1648(93...

... decade rapidly. 02 06 2009 18 02 2010 16 06 2010 16 06 2010 bars crystal microstructure fatigue mechanical testing nickel alloys optical microscopy scanning electron microscopy superalloys welding capacitor discharge welding (D) CMSX-4 (A) high temperature...

... nickel alloys superalloys crack-growth rate cyclic loading temperature load ratio superalloys Numerous studies ( 6 7 8 ), recently performed at the authors’ laboratories, addressed the effect of temperature on the plastic deformation of austenitic superalloys under tensile loading...

...X. Lin; T. M. Yue; H. O. Yang; W. D. Huang A graded binary titanium-nickel alloy with a compositional gradient, from elemental Ti to Ti – 23.2 at . % Ni, has been successfully deposited using laser rapid forming. A metallurgical study of the phase evolution along the compositional gradient showed...

.... 1057-7157 , 16 , pp. 650 – 658 . 10.1109/JMEMS.2007.892912 24 01 2009 18 03 2009 27 08 2009 copper alloys elasticity finite element analysis hardness metallic thin films multilayers nanoindentation nickel alloys niobium alloys plastic flow plasticity sputter...

.... 23 09 2008 30 01 2009 26 05 2009 compressive strength creep fatigue cracks internal stresses nickel alloys plastic deformation plasticity shot peening stress relaxation superalloys yield strength nickel-base superalloy creep rate shot peen residual stress...

... entropy alloys was studied. metals and alloys casting aluminium alloys casting chromium alloys cobalt alloys cooling entropy iron alloys mechanical strength mixing nickel alloys plasticity solid solutions 14 08 2008 26 01 2009 21 05 2009 2009 American...

... temperature, continuous and discontinuous dynamic recrystallization take place, strongly influencing the development of texture and Swift effect. 19 01 2008 07 08 2008 18 12 2008 aluminium alloys deformation electron diffraction neutron diffraction nickel alloys recrystallisation...

... Ref. 15 . 19 01 2008 07 08 2008 18 12 2008 aluminium alloys bars deformation grain boundaries grain growth grain refinement grain size nickel alloys recrystallisation shear strength stress-strain relations NiAl torsion microstructure dynamic...

... a . 04 05 2007 01 11 2007 11 06 2008 continuum mechanics fasteners fatigue nickel alloys plastic deformation superalloys dissipation elevated temperature fatigue damage plastic-strain energy static toughness GH4145/SQ is a precipitate-strengthened nickel-based...

... in such materials is proposed. aerospace cracks crystal defects crystal microstructure crystallisation diffusion micromechanics milling nickel alloys powder metallurgy spheroidizing texture thermomechanical treatment titanium alloys defects spheroidization coarsening cavitation...

... propagation for specimens as thin as 150 μ m . The in situ cyclic loading/imaging system has been used initially to image real-time crystallographic fatigue and crack growth under positive mean axial stress in the turbine blade alloy CMSX-4. fatigue cracks nickel alloys superalloys ultrasonic materials...

... in the heating branch of the hysteresis loop 07 12 2006 01 08 2007 20 12 2007 martensitic transformations nickel alloys shape memory effects titanium alloys SMAs NiTi alloys TWSME hysteretic behavior Prandtl–Ishlinksii operator The interest on shape memory alloys...

...) Grant No. 20020055DR (principal investigator: Aaron Koskelo). 30 08 2006 03 05 2007 aluminium alloys bicrystals elastic waves finite element analysis grain boundaries nickel alloys bicrystal nial elastic wave anisotropy scattering The mechanical behavior...

... the median curve was necessary to yield a reliable estimate for the lower limit. One thousand trials were performed for each run. nickel alloys fatigue statistical analysis powder metallurgy Monte Carlo methods extrusion forging Fatigue of metallic materials most frequently initiates from...