Effect of Fe addition on transformation temperatures and hardness of NiMnGa magnetic shape memory alloys

Effect of Fe addition on transformation temperatures and hardness of NiMnGa magnetic shape memory alloys

In recent years, ferromagnetic shape memory alloys (FSMAs) have been widely investigated in many countries [1–4]. Of the developed FSMAs, NiMnGa alloys have been found to exhibit nearly 10% magnetic-fieldinduced strain which is the maximum obtained MFIS in these FSMAs [5]. Based on NiMnGa alloys, researchers have developed new ferromagnetic shape memory alloys, i.e., NiMnFeGa alloys [6, 7]. The...

Spherical Indentation Hardness of Shape Memory Alloys

the effect of explicit teaching of metacognitive vocabulary learning strategies on recall and retention of idioms

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effect of seed priming and irrigation regimes on yield,yield components and quality of safflowers cultivars

این مطالعه در سال 1386-87 در آزمایشگاه و مزرعه پژوهشی دانشگاه صنعتی اصفهان به منظور تعیین مناسب ترین تیمار بذری و ارزیابی اثر پرایمینگ بر روی سه رقم گلرنگ تحت سه رژیم آبیاری انجام گرفت. برخی از مطالعات اثرات سودمند پرایمینگ بذر را بر روی گیاهان مختلف بررسی کرده اند اما در حال حاضر اطلاعات کمی در مورد خصوصیات مربوط به جوانه زنی، مراحل نموی، عملکرد و خصوصیات کمی و کیفی بذور تیمار شده ژنوتیپ های م...

Influence of manganese on the transformation temperatures of NiSOT& shape memory alloys

The transformation temperatures of NiTi-based alloys strongly depend on the number of (valence) electrons. It has been argued that the M, of Ni 0.50_-xTi0.50_-xMnZx is independent of X, because e/a= 7.00, unchanged relative to N&,T&,, for any x. In this work, a model is presented, in which it is argued that not only changes in the number of electrons, but also band-structure changes should be c...