نتایج جستجو برای: ultrafine microstructure

تعداد نتایج: 44214  

Journal: :Medžiagotyra 2022

Generating hydrogen through hydrolysis of metal magnesium with water is a very promising strategy for portable applications because it clean, has high energy density and operability. In the present study, purity ultrafine Mg powder was prepared using close-coupled gas atomization. Thereafter, microstructure investigated X-ray diffraction scanning electron microscopy. The results showed that inc...

2008
Günter Oberdörster Mark J. Utell Philip K. Hopke Kimberly A. Prather Annette Peters Mark Frampton Jacob Finkelstein

Klein LW, Stewart JC, Oberdorster G, Frampton MW. Ultrafine particles activate platelets in vitro. American Journal of Respiratory and Critical Care Medicine 2007;175:A169. not available Abstract Shah AP, Stewart JC, Klein LW, Utell MJ, Frampton MW. Effects of carbon ultrafine particles on platelet activation. Proceedings of the American Thoracic Society 2006;3:A551. not availableShah AP, Stewa...

Journal: :Crystals 2021

The microstructure and microhardness of X70 pipeline steel were investigated after conducting different processing routes. was characterized using optical electron microscopy. Scanning microscopy equipped with backscattered diffraction (EBSD) transmission techniques applied for investigation thermal treatment conditions. Mechanical properties by a tester. results show that the mainly consists g...

2014
Helan Xu Shaobo Cai Alexander Sellers Yiqi Yang

Intrinsically water-stable electrospun threedimensional ultrafine fibrous soy protein scaffolds for soft tissue engineering using adipose derived mesenchymal stem cells" (2014). Faculty Publications-Textiles, Merchandising and Fashion Design. Paper 35. Soy protein, the plant protein from soybean, was electrospun into intrinsically water-stable scaffolds with large volume and ultrafine fibers or...

Journal: :Materials & Design 2022

The bimodal microstructure, which comprises ultrafine grains (UFGs) forming along the melt pool boundary and relatively coarse inside pool, is a characteristic of Sc-Zr-modified Al–Mg-based alloy (Scalmalloy) microstructure manufactured using laser powder bed fusion (LPBF). Focusing on this microstructural feature, we investigated improvement in mechanical properties LPBF-fabricated Scalmalloy ...

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