Zobrazeno 1 - 10
of 2 132
pro vyhledávání: '"surface hardness"'
Publikováno v:
Cailiao Baohu, Vol 57, Iss 6, Pp 165-174 (2024)
To investigate the effects of ultra-high power continuous laser cleaning on Q355B steel, an ultra-high power fiber laser was used to clean contaminants such as rust from the surface of Q355B steel. The influence of laser scanning speed and power on t
Externí odkaz:
https://doaj.org/article/777a8c8167344e49a390c150f70b068c
Autor:
Wei Wang, Muxin Yang, Jing Wang, Jijia Xie, Jian Wang, Zihan Zhang, Lingling Zhou, Xiaolei Wu, Wenquan Cao, Fuping Yuan
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 7420-7428 (2024)
A novel alloy composition design (Fe–14Cr–13Co–5Mo–2Ni–1W–1V-0.16C-0.12Nb-0.074Si-0.027Mn, wt. %) was proposed for modification on that of the conventional CSS-42L stainless steel. The present homogeneous structure without carburizing dis
Externí odkaz:
https://doaj.org/article/b2f4a11e637c4d618c6435fcf2936161
Autor:
Shekar Shobana, Anandavelu Sujareetha, Sundaresan Balagopal, Sarath Kumar, Sriganesh Angusamy, Sebatni Anisha
Publikováno v:
Indian Journal of Dental Research, Vol 34, Iss 4, Pp 438-442 (2024)
Aim: The aim of the present study is to assess the microhardness of resin-based composites (RBCs) cured with ultrafast curing mode at two different exposure durations. Study Design: This is an experimental in-vitro study. Forty-five cylindrical compo
Externí odkaz:
https://doaj.org/article/96468668074f4f90b62aab6db104e77f
Publikováno v:
Проблеми трибології, Vol 29, Iss 1/111, Pp 45-52 (2024)
The technologies of continuous strengthening of technological surfaces have practically exhausted their capabilities, which calls for the creation of fundamentally new approaches. The application of the principles of discrete-oriented strengthening o
Externí odkaz:
https://doaj.org/article/55a9f5dac20447979a62c6fe12f257dd
Autor:
Nguyen Thai Van, Le Hong Ky
Publikováno v:
Engineering, Technology & Applied Science Research, Vol 14, Iss 2 (2024)
This article presents the results of the research on the influence of plasma nitriding technology parameters on the working surface hardness of machine parts made of previously hardened 18XГT steel. A total of 27 experiments were conducted on the H4
Externí odkaz:
https://doaj.org/article/07f5c14ccbc34733b586d9d3ffb1f43e
Publikováno v:
Industrial Lubrication and Tribology, 2023, Vol. 75, Issue 8, pp. 904-910.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/ILT-04-2023-0096
Autor:
ADEEL HASSAN
Publikováno v:
Iranian Journal of Materials Science and Engineering, Vol 20, Iss 4, Pp 64-75 (2023)
Friction stir additive manufacturing (FSAM) is a variant of sheet lamination additive manufacturing used to produce large, near-net-shaped 3D parts. Unlike traditional friction stir lap welding, FSAM introduces a new plate to one that is already join
Externí odkaz:
https://doaj.org/article/ec67bdec742c4ef6b97999462e74bc6a
Autor:
Tjuk Oerbandono
Publikováno v:
Rekayasa Mesin, Vol 14, Iss 3, Pp 743-752 (2023)
The nitriding coating process is widely applied in the industry. Gas nitriding is a technique used to improve the mechanical properties of a metal. This study aims to determine the influence of holding time variations on surface hardness and diffusio
Externí odkaz:
https://doaj.org/article/0e50c33181ee4c71b894eac4ba45203f
Publikováno v:
BMC Oral Health, Vol 23, Iss 1, Pp 1-10 (2023)
Abstract Background The study aimed to evaluate the influence of various beverages; with and without brushing; on the surface mechanical properties of two resin composites. Methods A total of 160 disc-shaped specimens were prepared for each of the fo
Externí odkaz:
https://doaj.org/article/c6e1e6f33c8e49a78e94e7420ae5360f
Autor:
Amira A. Aboalnaga, Amal M. El Shahawi
Publikováno v:
BMC Oral Health, Vol 23, Iss 1, Pp 1-8 (2023)
Abstract Background The purpose of the current in vitro study was to evaluate the surface roughness and hardness of three brands of as-received esthetic coated NiTi archwires and compare them with the same parameters after immersion in artificial sal
Externí odkaz:
https://doaj.org/article/a87c9df84de64c12a973cc77dda52b64