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On the mechanical behaviour of titanium alloy TiAl6V4 manufactured by selective laser melting: Fatigue resistance and crack growth performance
Abstract Direct manufacturing (DM), also referred to as additive manufacturing or additive layer manufacturing, has recently gained a lot of interest due to the feasibility of producing light-weightExpand
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Stress dependence of the hysteresis in single crystal NiTi alloys
Abstract We demonstrate the variation in thermal hysteresis with increasing external stress for reversible martensitic transformations. The hysteresis was measured in temperature cycling experimentsExpand
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Thermal processing of polycrystalline NiTi shape memory alloys
Abstract The objective of this study is to examine the effect of heat treatment on polycrystalline Ti–50.9 at.% Ni in hot-rolled and cold-drawn states. In particular, we examine microstructure,Expand
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Magnetic field and stress induced martensite reorientation in NiMnGa ferromagnetic shape memory alloy single crystals
Abstract Magnetic shape memory properties of a single crystal Ni 2 MnGa alloy were characterized through monitoring magnetic field induced strain (MFIS) as a function of compressive stress, andExpand
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Effects of nanoprecipitation on the shape memory and material properties of an Ni-rich NiTiHf high temperature shape memory alloy
Abstract Shape memory properties of a Ni50.3Ti29.7Hf20 (at.%) polycrystalline alloy were characterized after selected heat treatments. The effects of heat treatment temperature and time on theExpand
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MODELING THE DEFORMATION BEHAVIOR OF HADFIELD STEEL SINGLE AND POLYCRYSTALS DUE TO TWINNING AND SLIP
Abstract Stress–strain responses of single and polycrystals of Hadfield steel were modeled using a viscoplastic self-consistent approach. A unique hardening formulation was proposed in theExpand
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In situ characterization of the deformation and failure behavior of non-stochastic porous structures processed by selective laser melting
Abstract Cellular materials are promising candidates for load adapted light-weight structures. Direct manufacturing (DM) tools are effective methods to produce non-stochastic structures. Many DMExpand
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Inconel 939 processed by selective laser melting: Effect of microstructure and temperature on the mechanical properties under static and cyclic loading
Abstract Nickel-based superalloys, such as Inconel 939, are a long-established construction material for high-temperature applications and profound knowledge of the mechanical properties for thisExpand
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Compressive response of NiTi single crystals
The deformation of NiTi shape memory single crystals are reported under compression loading for selected crystal orientations and two diAerent Ti3Ni4 precipitate sizes. For the (148) orientation,Expand
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Plastic deformation of NiTi shape memory alloys
Abstract Dislocation slip in B2 NiTi is studied with atomistic simulations in conjunction with transmission electron microscopy (TEM). The atomistic simulations examine the generalized stacking faultExpand
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