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Updated: Jun 10, 2025

Experimental Methods for Investigation of Shape Memory Based Elastocaloric Cooling Processes and Model Validation
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Micro-drilling on shape memory alloys-A review.

Kedarnath Chaudhary1, V K Haribhakta1

  • 1COEP Technological University, Pune 411005, India.

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|October 11, 2024
PubMed
Summary

This study simulates micro-drilling processes, focusing on thermal-mechanical interactions in alloys. The research identifies key parameters for optimizing micro-drilling performance in manufacturing high-precision components.

Keywords:
Burr formationChip formationMicro-drillingMicro-drilling toolNiTi – nickel titaniumPreferred Reporting Items for Systematic Reviews and Meta-AnalysesShape Memory Alloys

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Area of Science:

  • Materials Science and Engineering
  • Mechanical Engineering
  • Manufacturing Technology

Background:

  • The demand for high-precision micro components drives advancements in micro-hole drilling technology.
  • Despite theoretical feasibility, practical micro-drilling faces significant challenges in achieving consistent results.
  • Microdrilling is essential for miniaturized components in fields like medicine and robotics.

Purpose of the Study:

  • To simulate and analyze the thermal-mechanical interactions during micro-drilling of alloys.
  • To provide a comprehensive literature survey on spark methods for micro-hole drilling.
  • To identify key process parameters influencing micro-drilling performance and aid in parameter optimization.

Main Methods:

  • Finite element analysis (FEA) using Abaqus for micro-drilling simulation.
  • Modeling of twist-bit mechanics, material behavior, and chip separation criteria.
  • Literature review focused on spark erosion machining and its variations for micro-hole creation.

Main Results:

  • The simulation model can identify critical process parameters affecting drilling performance.
  • Analysis of thermal-mechanical effects provides insights into alloy behavior during micro-machining.
  • The study highlights the potential of spark erosion methods for creating micro-scale holes.

Conclusions:

  • Mechanical microdrilling offers a precise and cost-effective alternative to non-conventional methods.
  • Optimized machining parameters derived from the model can enhance micro-drilling efficiency.
  • This research supports the development of advanced micro-machining techniques for critical applications.