Zobrazeno 1 - 9
of 9
pro vyhledávání: '"521"'
Publikováno v:
Materials, Vol 17, Iss 2, p 521 (2024)
Basswood samples were exposed to oxygen glow-discharge plasmas for 30 min, and etching of radial and tangential longitudinal surfaces was measured. It was hypothesized that there would be a positive correlation between etching and plasma energy, and
Externí odkaz:
https://doaj.org/article/5c7610fb82ef41a8990c22940ffb5429
Autor:
Salma Gul, Azra Gul, Hajera Gul, Rozina Khattak, Muhammad Ismail, Sana Ullah Khan, Muhammad Sufaid Khan, Hani Amir Aouissi, Andrejs Krauklis
Publikováno v:
Materials, Vol 16, Iss 2, p 521 (2023)
The presence of dyes in water stream is a major environmental problem that affects aquatic and human life negatively. Therefore, it is essential to remove dye from wastewater before its discharge into the water bodies. In this study, Banyan (Ficus be
Externí odkaz:
https://doaj.org/article/4cca6598aad04c33882dc6bb097e8959
Publikováno v:
Materials, Vol 15, Iss 2, p 521 (2022)
Composite sandwich structures are widely used in the fields of aviation, marine, and energy due to their high specific stiffness and design flexibility. Improving the mechanical properties of the cores is significant to the strength, modulus, and sta
Externí odkaz:
https://doaj.org/article/97b8ad428da642ea8e9e6b98cb281f69
Autor:
Qianglong He, Tian Tian, Shi Tian, Wenchao Guo, Yunwei Shi, Aiyang Wang, Hao Wang, Weimin Wang, Zhengyi Fu
Publikováno v:
Materials, Vol 14, Iss 23, p 7198 (2021)
In this study, TiN–TiB2–hBN composite ceramics were prepared via reactive hot pressing using TiN and amorphous B powders as raw materials. Different sintering temperatures and composition ratios were studied. The results show that the 70 vol% TiN
Externí odkaz:
https://doaj.org/article/2450a99ae7264b79ad7c68282a3fcd82
Autor:
Adnan Aslam Noon, Absaar Ul Jabbar, Hasan Koten, Man-Hoe Kim, Hafiz Waqar Ahmed, Umair Mueed, Ahmad Adnan Shoukat, Bilal Anwar
Publikováno v:
Materials, Vol 14, Iss 3, p 521 (2021)
Centrifugal pumps are being widely used in various industries for moving fluids that carry solids through pipelines where the need of head and flow rate is not high. Slurry erosion and cavitation are an extremely complex and not yet fully understood
Externí odkaz:
https://doaj.org/article/cb3deefaac034b0fb7e58d6473fb562b
Publikováno v:
Materials, Vol 13, Iss 3, p 521 (2020)
In this study, a method to optimize the mixing proportion of polyvinyl alcohol (PVA) fiber-reinforced cementitious composites and improve its compressive strength based on the Levenberg-Marquardt backpropagation (BP) neural network algorithm and gene
Externí odkaz:
https://doaj.org/article/afbf5a3a8aee42fea4d1c05a2499f4dd
Autor:
Andreja Pondelak, Sabina Kramar, Jonjaua Ranogajec, Luka Škrlep, Snežana Vucetic, Vilma Ducman, Andrijana Sever Škapin
Publikováno v:
Materials, Vol 12, Iss 3, p 521 (2019)
In the process of protection and consolidation of valuable materials, the efficiency is the crucial property that needs to be considered. TiO2/ZnAl layered double hydroxide (LDH) coating and silicate- and carbonate-based consolidants were synthesized
Externí odkaz:
https://doaj.org/article/8fc273be8e82447782afae348e7007f2
Autor:
H. Fouad, Randa AlFotawi, Othman Y. Alothman, Basheer A. Alshammari, Musaad Alfayez, Mohamed Hashem, Amer Mahmood
Publikováno v:
Materials, Vol 11, Iss 4, p 521 (2018)
In this study, porous polyethylene scaffolds were examined as bone substitutes in vitro and in vivo in critical-sized calvarial bone defects in transgenic Sprague-Dawley rats. A microscopic examination revealed that the pores appeared to be interconn
Externí odkaz:
https://doaj.org/article/0a154381a4d74971bae03173b36e3275
Autor:
Jae Phil Park, Chi Bum Bahn
Publikováno v:
Materials, Vol 9, Iss 7, p 521 (2016)
The typical experimental procedure for testing stress corrosion cracking initiation involves an interval-censored reliability test. Based on these test results, the parameters of a Weibull distribution, which is a widely accepted crack initiation mod
Externí odkaz:
https://doaj.org/article/3d5b42fbe90b4a328a229a7f10b14b16