Results 21 to 30 of about 958 (181)
The present study aims at understanding the electrochemical impedance and biocorrosion characteristics of AZ91 Mg-alloy in Ringer's solution. As-cast AZ91 Mg-alloy was subjected to T4 heat treatment in a way to homogenize its microstructure by dissolving
Nagaraj M. Chelliah +2 more
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Comprehensive Research of FSW Joints of AZ91 Magnesium Alloy
For the friction stir welding (FSW) of AZ91 magnesium alloy, low tool rotational speeds and increased tool linear speeds (ratio 3.2) along with a larger diameter shoulder and pin are utilized. The research focused on the influence of welding forces and the characterization of the welds by light microscopy, scanning electron microscopy with an electron ...
Krzysztof Mroczka +6 more
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Scratch Test Studies on the Connection of Al2O3+40%TiO2 Coating with AZ91 Alloy Casting [PDF]
The paper presents the results of scratch tests on the connection of the Al2O3+40%TiO2 coating with the AZ91 alloy casting. The Al2O3+40%TiO2 coating was applied to the AZ91 alloy casting using the APS (Atmospheric Plasma Spraying) method. Microstructure
S. Olszewska, M. Mróz
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Microstructure and mechanical properties of AZ91-(SiCP/AZ91) clad plate fabricated by extrusion
Multilayered AZ91-(SiCP/AZ91) clad plates were fabricated at 300, 350 ℃ and 400 ℃ successfully by extrusion. The microstructure evolution, bonding interface and the mechanical properties of the AZ91-(SiCP/AZ91) clad plates were investigated in detail ...
CHANG Hai, ZHAO Congming, WANG Cuiju
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The effect of mischmetal of lanthanum and cerium on the composition and structure of the corrosion products on the surface of AZ91 Mg alloy in deicing salt solution under dry-wet cycles was investigated by scanning electron microscopy (SEM), X-ray ...
ZHAO Xi +3 more
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Microstructure and surface integrity of machined AZ91 magnesium alloy
AZ91 magnesium alloy is one of the most popular materials among all cast magnesium alloys due to its excellent corrosion resistance and good cast-ability.
A. Asgari, H. Delavar, M. Sedighi
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Microstructure and mechanical properties of AZ91 magnesium alloy with minor additions of Sm, Si and Ca elements [PDF]
The effects of Sm, Si and Ca on the microstructure and mechanical property of AZ91 magnesium alloy were investigated by means of optical microscopy (OM), differential scanning calorimetry (DSC), scanning electronic microscopy (SEM), X-ray diffraction ...
Redeemina Comfort Bonnah, Yu Fu, Hai Hao
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The Effects of Rare Earth Pr and Heat Treatment on the Wear Properties of AZ91 Alloy
This paper investigated the influences of Pr addition and heat treatment (T6) on the dry sliding wear behavior of AZ91 alloy. The wear rates and friction coefficients were measured by using a pin-on-disc tribometer under loads of 30, 60 and 90 N at dry ...
Ning Li, Hong Yan
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AZ91 alloy is a widely applied commercial magnesium alloy due to its good castability, balanced mechanical properties and acceptable price, and lanthanum alloying has been proven to be one of the most effective methods to further improve its mechanical ...
Di Tie +7 more
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Effect of Pre-Heat Treatment on Microstructure and Properties of As-Extruded AZ91-CaO Alloy
The effects of different pre-heat treatments on the microstructure, mechanical properties and corrosion resistance of extruded AZ91 and AZ91-CaO alloys were investigated.
Guopeng Zhang +5 more
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