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Aleksander Umanskii, Kirill Gogolinskii, Vladimir Syasko and Artem Golev
The article is devoted to modification of the impact devices of Leeb hardness testers for the implementation of the dynamic instrumented indentation method. The results obtained made it possible to construct a load?displacement curve using primary EMF si...
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Vladimir Syasko and Artem Nikazov
This article is devoted to contemporary topics of ensuring the uniformity of Leeb hardness measurements. The analysis of the physical principles of the Leeb hardness test is carried out, and the influence of the measuring transducer parameters on the mea...
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Xirong Wu, Nanxiang Zhen and Fansheng Kong
The continuous use of load-bearing road surfaces often results in degradation over time, particularly if they are constructed from cement or aggregates that were poorly polished. Surfaces prepared from calcined bauxite exhibit good skid resistance proper...
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Abul Hossain, Abu Syedwais Kurny
The effect of different scheduled artificial ageing hardness on the tensile and impact properties of Al-6Si-0.5Mg-2Ni alloy was studied. The solution treated Al-6Si-0.5Mg-2Ni alloy was aged isochronally for 1 hour at temperatures up to 300oC. The precipi...
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Goratouch Ongtrakulkij, Julathep Kajornchaiyakul, Katsuyoshi Kondoh and Anak Khantachawana
The residual stress and hardness generated by the nitriding process are important parameters for increasing the bending fatigue strength to Ti-6Al-4V. Therefore, this research is focused on the analysis of residual stress and hardness, including surface ...
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Long-Jun Ren, Connie Lok-Kan Cheng, Christina Zong-Hao Ma and Yong-Ping Zheng
Muscle hardness and its relationship with different muscle lengths/positions are important for understanding its underlying physiological status, and yet remained unclear. This study aimed to detect the local muscle hardness at different muscle lengths a...
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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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James J. Price, Tingge Xu, Binwei Zhang, Lin Lin, Karl W. Koch, Eric L. Null, Kevin B. Reiman, Charles A. Paulson, Chang-Gyu Kim, Sang-Yoon Oh, Jung-Keun Oh, Dong-Gun Moon, Jeong-Hong Oh, Alexandre Mayolet, Carlo Kosik Williams and Shandon D. Hart
This work presents fundamental understanding of the correlation between nanoindentation hardness and practical scratch resistance for mechanically tunable anti-reflective (AR) hardcoatings. These coatings exhibit a unique design freedom, allowing quasi-c...
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Haipeng Lin, Xuefeng Song, Fei Dai, Fengwei Zhang, Qiang Xie and Huhu Chen
Hardness is a critical mechanical property of grains. Accurate predictions of grain hardness play a crucial role in improving grain milling efficiency, reducing grain breakage during transportation, and selecting high-quality crops. In this study, we dev...
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Xianqiang Zhao, Zhaoran Xiao and Qingshan Wang
This study aims to clarify the relationship between surface hardness and the peak interfacial frictional coefficient under different particle sizes. The relationship between particle size and the peak interfacial frictional coefficient with different sur...
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Aladin Eko Purkuncoro,Rudy Soenoko,Dionysius Joseph Djoko Herry Santjojo,Yudy Surya Irawan
Pág. 24 - 29
Battery waste is one of waste that can damage the environment and there has not been much good processing in Indonesia. Even though, battery waste contains carbon which can be used as a target material for deposition of carbon films using plasma sputteri...
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Min Kyung Ahn, Ramakrishna Chilakala, Choon Han and Thriveni Thenepalli
One of the undesirable characteristics of some ground and natural water sources is hardness. Hard water can cause many problems around the world, including increased scaling on water pipes, boilers, atopic eczema and odd-tasting drinking water. Hardness ...
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Hiroyuki Nakahara, Ding Nan and Iathong Chan
A novel technique for upgrading the seismic resistance of steel buildings by adding knee braces to existing structures using vises was proposed by researchers in 2022. A feature of this retrofitting method is the easy setup owing to its use of vises made...
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Liangtian Wang, Jie Zhou, Yuexin Chang and Hao Xu
In recent years, electrochemical descaling technology has gained widespread attention due to its environmental friendliness and ease of operation. However, its single-pass removal efficiency could be higher, severely limiting its practical application. T...
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Shengbo Hu, Zhijun Li, Peng Lu, Qingkai Wang, Jie Wei and Qiuming Zhao
In their natural state, snow crystals are influenced by the atmosphere during formation and multiple factors after landing, resulting in varying particle sizes and unstable particle morphologies that are challenging to quantify. The current research main...
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Gonghou Yao, Zhanqiang Liu and Haifeng Ma
The presence of residual stress seriously affects the mechanical performance and reliability of engineering components. Here, the authors propose a novel method to determine corresponding residual stress through micro-hardness measurements of machined su...
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Zhaowen Shao, Wentao Zhao, Zhaotian Zuo, Jun Li and I-Ming Chen
Soft actuators have a high potential for the creative design of flexible robots and safe human?robot interaction. So far, significant progress has been made in soft actuators? flexibility, deformation amplitude, and variable stiffness. However, there are...
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Roberto Montanari, Alex Lanzutti, Maria Richetta, Javokhir Tursunbaev, Emanuele Vaglio, Alessandra Varone and Claudio Verona
Austenitic stainless steels produced by laser powder bed fusion (L-PBF) are quite interesting materials owing to their specific microstructure consisting of dendrite walls built of dislocations pinned by many nano-oxides that involves significant strengt...
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Natalia Kamanina
Among the different nanostructures involved in the improvement of material properties, carbon nanotubes occupy a specific place because of their small refractive index, extended surface, and large Young?s module, which can all provoke dramatic change in ...
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Anna Vinogradova, Kirill Gogolinskii, Alexander Umanskii, Varvara Alekhnovich, Alena Tarasova and Alena Melnikova
This article is devoted to the study of means and methods for non-destructive testing mechanical properties of polyethylene gas pipelines that have been in operation for 25?55 years. In order to assess mechanical properties, stress at yield was chosen as...
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