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Abdullah M. Al-Enizi, Omar H. Abd-Elkader, Shoyebmohamad F. Shaikh, Mohd Ubaidullah, Mohamed O. Abdelkader and Nasser Y. Mostafa
A sol?gel technique was successfully employed in creating pure and W-substituted zinc ferrite, with nominal compositions of ZnFe2-2xWxO4 (0.0 = x = 0.15). For the purposes of investigating the physical and chemical properties of the generated powders, se...
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Viktor Bokov,Oleh Sisa,Volodymyr Mirzak,Olha Medvedieva
Pág. 60 - 72
A process has been developed to press fuel briquettes from autumn leaves. It has been shown that a spherical shape of a briquette is optimal since even dense packing of balls provides air access to each individual ball. This is especially important in th...
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Dae-San Choi, Ju-Hwan Choi and Chang-Yull Lee
In this study, structural colors were fabricated by producing an amorphous array with atypical silica particles. The colors were controlled by an array of silica particles with different sizes. In previous research, the process required inducement of the...
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Lina Zhao, Zhi Zhang, Yugang Duan, Hong Cui and Yong Gao
Yttria-stabilized zirconia (YSZ) hollow sphere (HS) powder is a novel potential feedstock material for the plasma spraying of next generation advanced thermal barrier coatings with low thermal conductivity and high sintering resistibility. In this study,...
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Dianzheng Wang, Chenfan Yu, Xin Zhou, Jing Ma, Wei Liu and Zhijian Shen
Additive manufacturing using tungsten, a brittle material, is difficult because of its high melting point, thermal conductivity, and oxidation tendency. In this study, pure tungsten parts with densities of up to 18.53 g/cm3 (i.e., 96.0% of the theoretica...
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Tianchen Li, Yong Liu, Bin Liu, Wenmin Guo and Liyou Xu
In the present research, the spherical FeCoCrNiMo0.2 high entropy alloy (HEA) powders with a single FCC solid solution structure were prepared by gas atomization. Subsequently, the FeCoCrNiMo0.2 coatings with a different content of oxide inclusions were ...
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Chunlian Hu and Shanglin Hou
NiCrMoY alloy powders were prepared using inert gas atomization by incorporation of rare earth elements, such as Mo, Nb, and Y into Ni60A powders, the coatings were sprayed by oxy-acetylene flame spray and then remelted with high-frequency induction. The...
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