Substructural Transformations in Cu – 12 at.% Al Single Crystals with [001] Deformation Axis

Russian Physics Journal - The paper presents a detailed analysis of the relation between the substructural transformations and plastic deformation stages in [001]-oriented Cu – 12 at.% Al...     

Effect of High Temperature and High Stress-Assisted Austenite Aging on Martensitic Transformations in High-Strength Ti – 51.8 ат.% Ni Single Crystals

Russian Physics Journal - High-strength materials containing dispersed Ti3Ni4 particles (d ~ 800 nm) and exhibiting superelasticity (SE) in a wide temperature range from 200 to 450 K were designed...     

Stress–strain–temperature behaviour of [001] single crystals of Co49Ni21Ga30 ferromagnetic shape memory alloy under compression

The conventional shape memory effect (SME) and pseudoelasticity (PE) in as-grown [100] single crystals of Co₄₉Ni₂₁Ga₃₀ alloy under compression are reported. The parent single crystals exhibit about 5% transformation strain at compressive stress levels as low as 4?MPa, and a pseudoelastic strain of 4.5%. Complete PE was observed in the temperature range from 35 to 285°C, along with increasing stress hysteresis with temperature. The latter is attributed to increasing number of variants and the corresponding variant–variant interactions. We demonstrate that the current material can be utilized in applications that demand high strength at elevated temperatures. Moreover, the current results also indicate the potential of this material to exhibit magnetic shape memory effect, which could broaden the scope of utility of this material upon further research.