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Slip transfer and plastic strain accumulation across grain boundaries in Hastelloy X
Abstract In this study, high resolution ex situ digital image correlation (DIC) was used to measure plastic strain accumulation with sub-grain level spatial resolution in uniaxial tension of aExpand
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Twin nucleation and migration in FeCr single crystals
Abstract Tension and compression experiments were conducted on body-centered cubic Fe -47.8 at pct. Cr single crystals. The critical resolved shear stress (CRSS) magnitudes for slip nucleation, twinExpand
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An experimental methodology to relate local strain to microstructural texture.
This paper introduces an experimental methodology for obtaining high resolution full-field strain measurements in polycrystalline metals. The (sub)grain level resolution of these measurements wasExpand
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On the interactions between strain accumulation, microstructure, and fatigue crack behavior
Fatigue crack growth is a complex process that involves interactions between many elements ranging across several length scales. This work provides an in-depth, experimental study of fatigue crackExpand
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Higher order twin modes in martensitic NiTi—The (201 ¯ ) case
Abstract NiTi alloys in the martensitic phase deform by detwinning of the martensite variants succeeded by deformation twinning of the single crystal of martensite. One of the deformation twinningExpand
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Plastic strain localization and fatigue micro-crack formation in Hastelloy X
Abstract In polycrystalline metals, local deformation heterogeneities induced by the microstructure influence fatigue crack initiation and micro-crack propagation. The localization in plastic strainsExpand
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Critical resolved shear stress for slip and twin nucleation in single crystalline FeNiCoCrMn high entropy alloy
Abstract High entropy alloys is an emerging class of materials with superior mechanical properties down to cryogenic temperatures. At 77 K, and unlike traditional metallic alloys, an increase inExpand
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High resolution digital image correlation measurements of strain accumulation in fatigue crack growth
Abstract Microstructure plays a key role in fatigue crack initiation and growth. Consequently, measurements of strain at the microstructural level are crucial to understanding fatigue crack behavior.Expand
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Superelasticity and functional fatigue of single crystalline FeNiCoAlTi iron-based shape memory alloy
Abstract The development of Iron-based shape memory alloys is primarily motivated by the need for a cost-effective alternative to NiTi. This work explores the superelastic and functional fatigueExpand
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Slip transmission in bcc FeCr polycrystal
Abstract Grain boundaries induce heterogeneities in the deformation response of polycrystals. Studying these local variations in response, measured through high resolution strain measurementExpand
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