Zobrazeno 1 - 10
of 532
pro vyhledávání: '"AZ91 alloy"'
Autor:
Fangyong Niu, Cunxu Li, Lu Li, Mingze Xu, Yunbo Hao, Kai Zhao, Huanyue Zhang, Guoping Liu, Guangyi Ma, Dongjiang Wu
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
With the development of lightweight aerospace equipment, magnesium alloys are receiving increasing attention. Wire-arc directed energy deposition (Wire-arc DED) is a highly promising manufacturing method for magnesium alloy parts, but its development
Externí odkaz:
https://doaj.org/article/d937ded56f6e4d708254987b5deaa4e1
Publikováno v:
Advances in Sciences and Technology, Vol 18, Iss 1, Pp 1-9 (2024)
The article discusses the influence of heat treatment and metal forming parameters on formability and the structure of the AZ91 cast magnesium alloy. The aim of the article is to determine the optimal parameters of homogenization and plastic deformat
Externí odkaz:
https://doaj.org/article/97dfb6b8dc694c759810e72cac57515c
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 8541-8554 (2023)
In this study, the Cyclic Contraction-Expansion Extrusion (CCEE) process, a novel severe plastic deformation (SPD) technique, is applied to the AZ91 magnesium alloy to enhance its mechanical properties through microstructural refinement. The CCEE met
Externí odkaz:
https://doaj.org/article/cfb14797aa2447e1a557051ebdf4fdd0
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 6244-6254 (2023)
The influence of 0.2 wt% Sc addition on the microstructure and creep characteristics of a cast AZ91 magnesium alloy was studied by impression creep tests under the constant punch stresses ranging from 175 to 700 MPa in the temperature range 425–525
Externí odkaz:
https://doaj.org/article/ead545b99f824da5a278c937125e691c
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 218-234 (2023)
This research investigated the microstructure, mechanical properties, and corrosion resistance of friction stir back extruded AZ91-bioactive glass composites in parallel and perpendicular directions to the extrusion direction. The results showed that
Externí odkaz:
https://doaj.org/article/402c0606cb764e0f8c9a386bbb26f5b9
Autor:
Md Tanwir Alam, Tarique Ahmad, Abdulnaser M. Alshoaibi, Abdul Aziz, Dilawar Husain, Shameem Ahmad
Publikováno v:
Applied Sciences, Vol 14, Iss 11, p 4444 (2024)
Metal alloy matrix composites are generally lightweight structural materials with a high strength-to-weight ratio. They can be extensively used in various fields of modern engineering applications, such as aerospace and automotive components and biom
Externí odkaz:
https://doaj.org/article/85469030f924494989d09fa679590fb2
Autor:
A. Dziadoń, E. Musiał
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 67, Iss No 2, Pp 435-440 (2022)
Plates of AZ91 magnesium alloy were butt-welded using a CO2 laser. The non-equilibrium solidification of the laser-melted metal caused fragmentation of the weld microstructure as well as the supersaturation of a solid solution of aluminium in magnesi
Externí odkaz:
https://doaj.org/article/72ee2a00f15340bcb04669c32f5788e1
Publikováno v:
Journal of Magnesium and Alloys, Vol 10, Iss 5, Pp 1368-1380 (2022)
The pitting corrosion behavior of AZ91 alloy before and after micro-oxidation treatment in 3.5% NaCl solution was investigated by cyclic potentiodynamic polarization (CPDP) and optical and SEM observations of corroded surfaces at different polarizati
Externí odkaz:
https://doaj.org/article/cfadfffbdd8d4c02ad6863390ba1fba1
Autor:
Emanuele Ghio, Emanuela Cerri
Publikováno v:
Materials, Vol 16, Iss 20, p 6620 (2023)
The AZ series of Mg alloys have become promising in several industrial fields thanks to its potential microstructure refinement and the β-Mg17Al12 eutectic that controls the mechanical behaviour. Simultaneously, the rapid degradation characterizing
Externí odkaz:
https://doaj.org/article/4d8014e35c5e47e980e0e0126d3a029b
Publikováno v:
Materials & Design, Vol 225, Iss , Pp 111474- (2023)
Addition of specialized master alloys containing effective nucleation substrates has become the most common practice in the casting industries. In this study, a novel Al-5.1V-2.3B grain refiner containing VB2 and VB particles was designed. The growth
Externí odkaz:
https://doaj.org/article/57ef68da1b964accb652b560846a1d23