Zobrazeno 1 - 10
of 2 732
pro vyhledávání: '"scratch test"'
Autor:
Danilo Guarino, Simone Venettacci, Vittorio Villani, Gennaro Salvatore Ponticelli, Stefano Guarino
Publikováno v:
Acta Polytechnica CTU Proceedings, Vol 48 (2024)
Mechanical systems, regardless of their complexity, very often require that different parts must move relative to each other by sliding their surfaces, therefore appropriate tribological properties are needed. This request appears particularly eviden
Externí odkaz:
https://doaj.org/article/992e41aacdf5441e9ced2199c9cd53c2
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 2257-2263 (2024)
In this work, we conduct micro-scratch tests of nodular cast iron with Vickers indenter under constant normal load and investigate the effects of individual phases (i.e., ferrite and graphite phases) on the scratch characteristics of nodular cast iro
Externí odkaz:
https://doaj.org/article/66a3bff2e1d14543bfcf5ebc6e335ab7
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract In recent years, probiotics and their derivatives have been recognized as important therapeutic agents in the fight against cancer. Therefore, this study aimed to investigate the anticancer effects of membrane vesicles (MVs) from Lentilactob
Externí odkaz:
https://doaj.org/article/3b46a8e665724c46bfd7f84e48f3ea9f
Publikováno v:
Archives of Foundry Engineering, Vol vol. 23, Iss No 4, Pp 157-162 (2023)
This paper presents the possibility of improving the scratch resistance of the AZ91 magnesium alloy by applying a WCCoCr coating using the Air Plasma Spraying (APS) method. The coating thickness ranged from 140 to 160 m. Microstructural studies of
Externí odkaz:
https://doaj.org/article/da9ce2a10a5344e4bdcfb9443cb997e7
Autor:
Alexander Metel, Alexey Vereschaka, Catherine Sotova, Anton Seleznev, Nikolay Sitnikov, Filipp Milovich, Kirill Makarevich, Sergey Grigoriev
Publikováno v:
Technologies, Vol 12, Iss 10, p 179 (2024)
The fracture strength was compared in a scratch test of coatings based on the ZrN system with the introduction of Ti, Nb and Hf, which were deposited on a titanium alloy substrate. The coatings were deposited using Controlled Accelerated Arc (CAA-PVD
Externí odkaz:
https://doaj.org/article/38eea21ce80f4d938025f014ef11ce11
Autor:
Sagar Kumar Murmu, Somnath Chattopadhayaya, Robert Cep, Ajay Kumar, Ashwini Kumar, Shambhu Kumar Mahato, Amit Kumar, Priya Ranjan Sethy, K. Logesh
Publikováno v:
Frontiers in Materials, Vol 11 (2024)
This study investigates a novel methodology to intricately craft a HAMMC and thoroughly examine its multifaceted mechanical and tribological characteristics. By combining silicon carbide (SiC) and fly ash as reinforcements, a unique identity is besto
Externí odkaz:
https://doaj.org/article/4317a887a2074abfb71b6815675a0c4a
Publikováno v:
Frattura ed Integrità Strutturale, Vol 17, Iss 66, Pp 178-190 (2023)
New developments in thermal spraying processes may offer higher-quality alternatives to hard chrome plating and possibilities for hard chrome plating in a range of coating applications. These include spraying with high-velocity air fuel (HVAF) and ne
Externí odkaz:
https://doaj.org/article/be708e781ede46faa472007b43fc03d4
Akademický článek
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Autor:
Mzali Slah, Elwasli Fatma, Zemzemi Farhat, Mezlini Salah, Mkaddem Ali, Bouazizi Mohamed Lamjed
Publikováno v:
Science and Engineering of Composite Materials, Vol 30, Iss 1, Pp 6354-74 (2023)
In this study, the micromechanical scratch behavior of unidirectional glass fiber reinforced polyester (GFRP) using several wear conditions was highlighted. Single-indenter scratch tests (SSTs) were carried out on GFRP composite material perpendicula
Externí odkaz:
https://doaj.org/article/23eb645def7242848ec9b475d4fbea2d