Synergistic Effects of MWCNTs and High-Pressure Torsion-Induced Grain Refinement on Microhardness, Tribological Properties, and Corrosion Behavior of Cu and Cu/MWCNT Nanocomposites

2021 ◽  
Author(s):  
M. R. Akbarpour ◽  
H. Mousa Mirabad ◽  
R. Behjat Golenji ◽  
K. Kakaei ◽  
H. S. Kim
Keyword(s):  
High Pressure ◽  
Grain Refinement ◽  
Corrosion Behavior ◽  
Tribological Properties ◽  
High Pressure Torsion ◽  
Synergistic Effects

scholarly journals Influence of high-pressure torsion deformation on the corrosion behaviour of a bioresorbable Mg-based alloy studied by positron annihilation

2021 ◽  
Author(s):  
Philipp Brunner ◽  
Florian Brumbauer ◽  
Eva-Maria Steyskal ◽  
Oliver Renk ◽  
Annelie-Martina Weinberg ◽  
...  
Keyword(s):  
High Pressure ◽  
Positron Annihilation ◽  
Corrosion Behavior ◽  
High Pressure Torsion ◽  
Corrosion Behaviour ◽  
Torsion Deformation

The effect of high-pressure torsion (HPT) on the corrosion behavior of a bioresorbable MgCaZn alloy (ZX00) is studied by positron annihilation.

GRAIN REFINEMENT AND MICROSTRUCTURE EVOLUTION IN ALUMINUM A2618 ALLOY BY HIGH-PRESSURE TORSION

2016 ◽  
Vol 78 (6-9) ◽  
Author(s):  
Intan Fadhlina Mohamed ◽  
Seungwon Lee ◽  
Kaveh Edalati ◽  
Zenji Horita ◽  
Shahrum Abdullah ◽  
...  
Keyword(s):  
Plastic Deformation ◽  
High Pressure ◽  
Grain Refinement ◽  
Room Temperature ◽  
Rotation Speed ◽  
High Pressure Torsion ◽  
Applied Pressure ◽  
Saturation Level ◽  
Microstructural Refinement ◽  
Average Grain Size

This work presents a study related to the grain refinement of an aluminum A2618 alloy achieved by High-Pressure Torsion (HPT) known as a process of Severe Plastic Deformation (SPD). The HPT is conducted on disks of the alloy under an applied pressure of 6 GPa for 1 and 5 turns with a rotation speed of 1 rpm at room temperature. The HPT processing leads to microstructural refinement with an average grain size of ~250 nm at a saturation level after 5 turns. Gradual increases in hardness are observed from the beginning of straining up to a saturation level. This study thus suggests that hardening due to grain refinement is attained by the HPT processing of the A2618 alloy at room temperature.

scholarly journals Cytotoxicity and Corrosion Behavior of Magnesium and Magnesium Alloys in Hank's Solution after Processing by High‐Pressure Torsion

2019 ◽  
Vol 21 (8) ◽  
pp. 1900391 ◽  
Author(s):  
Debora R. Lopes ◽  
Claudio L.P. Silva ◽  
Renata B. Soares ◽  
Pedro Henrique R. Pereira ◽  
Ana Celeste Oliveira ◽  
...  
Keyword(s):  
High Pressure ◽  
Magnesium Alloys ◽  
Corrosion Behavior ◽  
High Pressure Torsion ◽  
Hank’S Solution
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