نتایج جستجو برای: nanocrystalline powder

تعداد نتایج: 56786  

2016
Zaira Z. Chowdhury Sharifah Bee Abd Hamid Abdul Khalil

This study focuses on the extraction of nanocrystalline cellulose ( NCC) from the dried stalk of Corchorus olitorius, commonly known as jute, using a combination of a microwave-assisted alkaline peroxide pulping process (AHP) and ultrasonication. Dried jute stalk powder was pretreated using sodium hydroxide under microwave irradiation for the removal of lignin. The partially delignified sample ...

Journal: :Journal of Alloys and Compounds 2022

The influence of high energy-ball milling (HEBM) on corrosion and hardness age hardening aluminum alloys was investigated. Nanocrystalline (AA2024, AA6061 AA7075) were produced by HEBM pre-alloyed powder subsequent cold compaction under uniaxial pressure 3 GPa. Cyclic potentiodynamic polarization immersion tests conducted in 0.6 M NaCl solution which revealed significantly increased pitting pro...

Journal: :Afyon Kocatepe University Journal of Sciences and Engineering 2017

2002
Z. J. Zhao F. Bendjaballah X. L. Yang D. P. Yang

A powder form of Fe-based nanocrystalline Fe73Cu1Nb1.5V2 Si13.5B9 has been prepared and its longitudinally driven magneto-impedance (LDMI) effect has been studied as a function of the structural and magnetic changes induced by suitable thermal treatments for the first time. The experimental results show that the LDMI ratio increases as the annealing temperature increases in the range of 480–600...

Journal: :Zeitschrift für Kristallographie - Crystalline Materials 2007

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2005

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