Journal
MATERIALS
Volume 15, Issue 17, Pages -Publisher
MDPI
DOI: 10.3390/ma15175870
Keywords
indentation; hardness; modeling; HAZ; ECSM
Categories
Funding
- Government of Perm Krai [C-26/644]
- Science & Engineering Research Board (SERB), Department of Science & Technology, India [SR/S3/MERC/0070/2012]
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This study develops a numerical model to investigate the nanoindentation behavior of heat-affected zones (HAZ) on glass material produced via the electrochemical spark machining (ECSM) method. The results show that increasing the electrolyte concentration increases the intensity of electrochemical discharges, resulting in a decrease in the hardness of the work material.
The current study develops a numerical model to investigate the nanoindentation behavior of heat-affected zones (HAZ) on glass material produced via the electrochemical spark machining (ECSM) method. Initially, microchannels were created using the ECSM method on soda-lime glass. Following that, a nanoindentation test was conducted to quantify the Young's modulus and hardness of the glass sample. After that, a numerical model based on finite elements was created to characterize the changes in mechanical characteristics of HAZ. According to the findings, increasing the electrolyte concentration from 10 to 30% increases the intensity of electrochemical discharges, and thereby decreases the hardness of the work material by 16.29 to 30.58% compared to unmachined glass. The results obtained from the simulation are in close agreement with the experimental values. The maximum error obtained between simulation and experimental results is only 4.18%.
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