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Li Dai, Yanwei Chen and Xiaoli Wei
The Ormosia hosiei is a secondary protected wild plant in China, and its seed has a hardness rate of 86%. To explore the characteristics of the hard seed and the difference in seed vigor between hard seeds and the non-hard seeds of O. hosiei, the water a...
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Simone Berneschi, Giancarlo C. Righini and Stefano Pelli
Glasses, in their different forms and compositions, have special properties that are not found in other materials. The combination of transparency and hardness at room temperature, combined with a suitable mechanical strength and excellent chemical durab...
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Yurianto Yurianto,Agus Suprihanto,Sumar Hadi Suryo,Yusuf Umardani,Padang Yanuar
Pág. 45 - 51
Quenched and Tempered Steel is classified as high strength and hardness steel mostly used for armor steel. Hardness and wear stability is essential for steel armor quality standards. On the other hand, austenitization and tempering temperature affect the...
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Mario Manosalvas-Paredes, Nizar Lajnef, Karim Chatti, Kenji Aono, Juliette Blanc, Nick Thom, Gordon Airey and Davide Lo Presti
Pavement structures are designed to withstand continuous damage during their design life. Damage starts as soon as the pavement is open to traffic and increases with time. If maintenance activities are not considered in the initial design or considered b...
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Yurianto Yurianto,Pratikto Pratikto,Rudy Soenoko,Wahyono Suprapto
Pág. 55 - 61
The need for quenched and tempered steel increased, especially for the manufacture of the combat vehicle components. This steel is classified as high-strength and hardness and is bullet-resistant steel (armor steel). Maintaining the stability of steel ha...
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Nikolay Prokopiv,Oleg Kharchenko,Edwin Gevorkyan,Yuriy Gutsalenko
Pág. 17 - 21
We have established the influence of heating rate of 150, 350 and 600 °C/min, pressure of 8 and 18 MPa, on the compaction process of the reaction mixture Cr2O3?15AlNnano, the hardness and crack resistance of the dense material. The intensity of compactin...
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Yurianto Yurianto,Pratikto Pratikto,Rudy Soenoko,Wahyono Suprapto
Pág. 43 - 51
Components for combat vehicles need (such as body panzers, main battle tank, armored personnel carrier) to be made of high strength and hardness steel. However, during and after the welding process is complete, this steel often leaves cracks. Quenched an...
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Azrin Akhter Chowdhury,Iis Siti Aisyah
Pág. 69 - 78
Galvanizing also denoted as zinc coating is a scientifically approved method applied to protect iron and steel against the effects of corrosion. In the galvanization process, aluminum is added with zinc. Zinc has numerous properties under different envir...
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Bin He, Nannan Zhang, Danyang Lin, Yue Zhang, Fuyu Dong and Deyuan Li
High-entropy alloys (HEAs) are emerging as a hot research frontier in the metallic materials field. The study on the effect of alloying elements on the structure and properties of HEAs may contribute to the progress of the research and accelerate the app...
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Wan-Jui Shen, Ming-Hung Tsai and Jien-Wei Yeh
(Al0.34Cr0.22Nb0.11Si0.11Ti0.22)50N50 high-entropy nitride coatings prepared by reactive magnetron sputtering have been proved to have high hardness and superior oxidation resistance. Their thermal stability, adhesion strength, and cutting performance we...
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