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Electric Discharge Wire Cutting Performance of Ni54.1Ti45.9 Shape Memory Alloy

Deepak Kumar Gupta, Avanish Kumar Dubey and Supriya Yadav


Shape memory alloy (SMA) titanium with a nickel base is becoming more and more desirable for usage in various applications. These SMAs provide several difficulties during ordinary machining. In the ongoing research, the wire-electric discharge procedure has recently been attempted to be used to manufacture the super-elastic nickel-titanium (Ni54.1Ti45.9) material. The good performance of NiTi in medical and other applications depends on effective and net-shape machining. The Ni54.1Ti45.9 alloy’s surface characteristics are examined using a brass tool electrode and the WEDM (wire electrical discharge machining) technique, as well as the effects of changing process parameters. The purpose of this experiment was to use a one-factor-at-a-time method to determine how the WEDM variable parameters of wire feed rate (WF), pulse on time (TON), pulse off time (TOFF), peak current (IP), wire tension (WT), affected the recast-layer thickness (RLT), and surface roughness. Following the results, it was determined that TON was the most effective parameter for the RLT.

Published on: March 28, 2023
doi: 10.17756/nwj.2023-s1-019
Citation: Gupta DK, Dubey AK, Yadav S. 2023. Electric Discharge Wire Cutting Performance of Ni54.1Ti45.9 Shape Memory Alloy. NanoWorld J 9(S1): S92-S95.

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