نتایج جستجو برای: nial

تعداد نتایج: 677  

Journal: :journal of nanostructures 2015
a. khajesarvi g. h. akbari

in the present study, nanocrystalline ni50al50-xmox (x = 0, 0.5, 1, 2.5, 5) intermetallic compound was produced through mechanical alloying of nickel, aluminum, and molybdenum powders. alni compounds with good and attractive properties such as high melting point, high strength to weight ratio and high corrosion resistance especially at high temperatures have attracted the attention of many rese...

Journal: :Journal of Solid State Electrochemistry 2021

Abstract Nickel aluminum layered double hydroxide (NiAl LDH) with nitrate in its interlayer is investigated as a negative electrode material for lithium-ion batteries (LIBs). The effect of the potential range (i.e., 0.01–3.0 V and 0.4–3.0 vs. Li + /Li) binder on performance 1 M LiPF 6 EC/DMC Li. NiAl LDH based sodium alginate (SA) shows high initial discharge specific capacity 2586 mAh g −1 at ...

A. Khajesarvi G. H. Akbari

In the present study, nanocrystalline Ni50Al50-xMox (X = 0, 0.5, 1, 2.5, 5) intermetallic compound was produced through mechanical alloying of nickel, aluminum, and molybdenum powders. AlNi compounds with good and attractive properties such as high melting point, high strength to weight ratio and high corrosion resistance especially at high temperatures have attracted the attention of many rese...

در این مقاله، تأثیر فعال‌سازی مکانیکی و سرعت افزایش دما (20 و °C/min40) بر رخداد واکنش‌ها در فرآیند سنتز کامپوزیت نانوساختار NiAl/Al2O3 از مخلوط پودری Ni، NiO و Al در گرمایش از 20 تا °C1300 مورد بررسی قرارگرفت. برای بررسی واکنش‌های رخ دهنده در نمونه‌ها، آنالیز دیفرانسیلی حرارتی، پراش سنجی اشعه ایکس و میکروسکوپی الکترونی روبشی انجام شد. در گرمایش نمونه‌های پودری بدون فعال‌سازی، واکنش گرمازای احی...

Journal: :Acta Materialia 2023

Chromium alloys are being considered for next-generation concentrated solar power applications operating > 800 °C. Cr offers advantages in melting point, cost, and oxidation resistance. However, improvements mechanical performance needed. Here, Cr-based body-centred-cubic (bcc) of the type Cr(Fe)-NiAl investigated, leading to ‘bcc-superalloys’ comprising a bcc-Cr(Fe) matrix (β) strengthened by ...

Journal: :Materials Science and Engineering: A 1995

Journal: :Progress in Natural Science: Materials International 2012

Journal: :Physica Status Solidi (a) 1971

2007
Michael W. Finnis

We investigate the eeect of elevated pressures on the point defect ther-modynamics in NiAl alloys. A particular motivation for this study is due to the expected elimination of structural vacancies on the Al-rich side at high pressure. We employ the density functional theory to compute point defect energies as a function of pressure, which are in turn used as input to the Wagner-Schottky model. ...

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