A study of physical, mechanical and tribological properties of a biomaterial using magnesium alloy

2020 ◽  
Author(s):  
K. Srinivasa ◽  
S. Chethan ◽  
N. Yathisha ◽  
M. S. Arjun
Keyword(s):  
Magnesium Alloy ◽  
Tribological Properties ◽  
Mechanical And Tribological Properties

Tribological Properties of WC-12Co Coating on AZ91 Magnesium Alloy Fabricated by High Velocity Oxy-Fuel Spray

2014 ◽  
Vol 33 (1) ◽  
pp. 41-48 ◽  
Author(s):  
F. Yıldız
Keyword(s):  
Magnesium Alloy ◽  
Tribological Properties ◽  
High Velocity ◽  
Wear Behavior ◽  
Fuel Spray ◽  
Az91 Magnesium Alloy ◽  
Mechanical And Tribological Properties ◽  
Hardness Tester ◽  
Pin On Disc ◽  
Az91 Magnesium

AbstractIn this study, conventional WC-12Co cermet coatings were deposited on AZ91 magnesium alloy using High Velocity Oxy-Fuel spray method. The effects of different coating thicknesses (60 and 120 µm) and wear loads (20 and 30 N) on tribological properties of AZ91 magnesium alloy coated with WC-12Co were investigated. Structural, mechanical and tribological properties of WC-12Co coatings were analyzed by means of X-ray diffractometer, scanning electron microscope, micro-hardness tester and pin-on-disc tribotester. It was observed that WC-12Co coating is an effective method for improving the wear behavior of AZ91 magnesium alloy.

scholarly journals THE INFLUENCE OF SOLUTION TREATMENT ON THE STRUCTURE AND MECHANICAL AND TRIBOLOGICAL PROPERTIES OF MAGNESIUM ALLOY WE54

Tribologia ◽  
2016 ◽  
Vol 267 (3) ◽  
pp. 19-28 ◽  
Author(s):  
Adam BARYLSKI ◽  
Krzysztof ANIOŁEK ◽  
Michał DWORAK
Keyword(s):  
Magnesium Alloy ◽  
Tribological Properties ◽  
Solution Treatment ◽  
Hot Water ◽  
Linear Wear ◽  
Mechanical And Tribological Properties ◽  
Solution Treated ◽  
Ice Water ◽  
Temperature Water ◽  
Ball On Disc

The paper presents the influence of solution treatment on the mechanical and tribological properties of the WE54 magnesium alloy. The investigated alloy was solution treated at a temperature of 545oC for 8 hours and cooled in ice water (0oC), in room temperature water (20oC), and in hot water (95oC). Depending on the applied solution treatment parameters, a diversified decrease in hardness and Young's modulus was obtained. The lowest values of hardness H and modulus E were obtained when cooling in ice water. Abrasive wear of alloy WE54 was tested using a ball-on-disc tribometer (with a ZrO2 ball). The tests have shown more than a threefold reduction in the volumetric wear and a twofold reduction in the linear wear, as well as favourable changes of the friction coefficient (a 20% decrease) as compared to the material in the as-received condition.

scholarly journals THE EFFECT OF LOAD ON THE TRIBOLOGICAL PROPERTIES OF MAGNESIUM ALLOY WE54 AFTER PRECIPITATION HARDENING

Tribologia ◽  
2017 ◽  
pp. 11-15
Author(s):  
Adrian BARYLSKI ◽  
Krzysztof ANIOŁEK ◽  
Marian KUPKA ◽  
Michał DWORAK
Keyword(s):  
Mechanical Properties ◽  
Magnesium Alloy ◽  
Tribological Properties ◽  
Precipitation Hardening ◽  
Treatment Time ◽  
Ageing Time ◽  
Mechanical Tests ◽  
Linear Wear ◽  
Direct Influence ◽  
Mechanical And Tribological Properties

The paper presents the effect of precipitation hardening on the mechanical and tribological properties of magnesium alloy WE54. Mechanical tests have shown that the hardness and Young’s modulus of the alloy increased as the ageing time became longer. Improvement of the mechanical properties had a direct influence on the tribological properties. Tribological tests were performed on a ball-on-disk tribometer, applying variable loads of 2, 5, and 10 N. In the tests, a more than fourfold decrease in the specific wear rate, a threefold reduction in the linear wear, and a ca. 20% reduction of the friction coefficient were observed. The best results were obtained for ageing time of 24 h. The extension of the heat treatment time to 48h caused overageing of the alloy, which resulted in the deterioration of its mechanical and tribological properties.

scholarly journals Heat Treatment of AZ91 Magnesium Alloy Coated with an Al2O3 Thin Film with Fluidized Bed Technology

Materials ◽  
2019 ◽  
Vol 12 (2) ◽  
pp. 216 ◽  
Author(s):  
Gabriele Baiocco ◽  
Gianluca Rubino ◽  
Nadia Ucciardello
Keyword(s):  
Magnesium Alloy ◽  
Fluidized Bed ◽  
Tribological Properties ◽  
Surface Film ◽  
Deposition Process ◽  
Superficial Layer ◽  
Heat Treatments ◽  
Alumina Coating ◽  
Az91 Magnesium Alloy ◽  
Mechanical And Tribological Properties

Fluidized bed technology is a methodology widely known in the manufacturing environment for surface treatment of metals. Within the field of surface coating, it has already been exploited for the coating of a magnesium alloy creating a compact layer of Al2O3. The result was an improvement in mechanical and tribological properties, along with improved corrosion resistance. In this context, the work proposed is addressed towards the evaluation of the effects of thermal post-treatment on the alumina coating produced by means of the fluidized-bed technology. To analyse the effects of heat treatments the morphology, composition and hardness of the samples were investigated along with adhesion and wear resistance of the alumina film. The results obtained show how the temperature affects the surface morphology and promotes the diffusion of magnesium towards the alumina superficial layer. The mechanisms triggered by heat treatments increase the adhesion of the surface film obtained in the deposition process, improving its mechanical and tribological properties.

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