Zobrazeno 1 - 10
of 97
pro vyhledávání: '"C45 steel"'
Autor:
Andrea Saponaro, Riccardo Nobile
Publikováno v:
Metals, Vol 14, Iss 1, p 11 (2023)
In the present work, the results of acoustic nonlinear response of ultrasonic wave propagation when monitoring the progress of damage induced by fatigue on notched C45 carbon steel specimens have been reported. Two ultrasound probes were fixed to the
Externí odkaz:
https://doaj.org/article/b07fca9586864aeeb23ccefa42181543
Autor:
Y. Y. Zhang, Y. X. Chen
Publikováno v:
Metalurgija, Vol 62, Iss 1, Pp 68-70 (2023)
The rapid optimization of laser quenching process parameters were studied. First of all, the experiment is carried out by orthogonal method, which achieves the purpose of finding the influence law of process parameters with a small number of samples.
Externí odkaz:
https://doaj.org/article/0e040602c828491ab3b1b54b32b3cfe4
Publikováno v:
Journal of Engineering and Applied Science, Vol 68, Iss 1, Pp 1-11 (2021)
Abstract Due to the dynamic loads in power transmission such as automotive, the restoration of axles during maintenance is extensively needed. These parts face two main challenges: wear and fatigue failure loads. The present study tries to improve fa
Externí odkaz:
https://doaj.org/article/71fbb735f0584685ab6d975cd4f08eb7
Publikováno v:
Journal of Materials Research and Technology, Vol 13, Iss , Pp 2016-2025 (2021)
This article presents a new calibration test for damage functions that uses the cross-wedge rolling method (CWR). In this test, the forming conditions were altered by applying wedges with decreasing forming angle on conical-cylindrical samples. The c
Externí odkaz:
https://doaj.org/article/9070f591adb945cc961bbf0464344b15
Autor:
Jan Pawlik, Michał Bembenek, Tomasz Góral, Jacek Cieślik, Janusz Krawczyk, Aneta Łukaszek-Sołek, Tomasz Śleboda, Łukasz Frocisz
Publikováno v:
Materials, Vol 16, Iss 11, p 3960 (2023)
Hardfacing is one of the techniques used for part lifecycle elongation. Despite being used for over 100 years, there still is much to discover, as modern metallurgy provides more and more sophisticated alloys, which then have to be studied to find th
Externí odkaz:
https://doaj.org/article/e6107d3fd85b4aee96845c73cb031326
Publikováno v:
Metals, Vol 13, Iss 5, p 997 (2023)
Inverse problems can be challenging and interesting to study in the context of metallurgical processes. This work aims to carry out a method for inverse modeling for simultaneous double-frequency induction hardening process. In this investigation, th
Externí odkaz:
https://doaj.org/article/46127dc386434c32aa93c69cf9986413
Publikováno v:
Metalurgija, Vol 60, Iss 3-4, Pp 253-256 (2021)
The changes of hardening depth and surface hardness of C45 steel after laser surface quenching were studied. Firstly, the Nd: YAG laser and CO2 laser were used to realize the surface quenching. High power CO2 laser quenching C45 steel, variable proce
Externí odkaz:
https://doaj.org/article/b966550e88ba409abf886e033a96ab32
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 6, Pp 14360-14371 (2020)
This study investigates the problem of predicting material cracking in cross-wedge rolling (CWR). Fifty-four cases were analyzed using the finite element method (FEM), and maximum values of the damage function were determined. Based on the results ob
Externí odkaz:
https://doaj.org/article/64465c069b104d02989518ccf3d8d740
Publikováno v:
Metals, Vol 12, Iss 11, p 1899 (2022)
The presented article deals with the influence of the heat treatment of C45 steel on the surface quality after turning. Turning is a machining technology used to prepare specific geometrical characteristics of surface and dimensional quality. In the
Externí odkaz:
https://doaj.org/article/31ac42179d0f419d9858e4dac7f72367
Publikováno v:
Materials, Vol 15, Iss 17, p 6019 (2022)
Wear of the working surfaces of machinery parts is a phenomenon that cannot be fully countered, only postponed. Among surface lifecycle elongation techniques, hardfacing is one which is most often used in heavy load applications. Hardfaced coating ca
Externí odkaz:
https://doaj.org/article/49a4e80aa76b418190af66c503a60cdb