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Experimental Methods for Investigation of Shape Memory Based Elastocaloric Cooling Processes and Model Validation
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Research Progress in Shape-Control Methods for Wire-Arc-Directed Energy Deposition.

Jie Wang1, Bo Zhao1,2, Yuanlin Liu1

  • 1School of Material Science and Engineering, Shandong Jianzhu University, Jinan 250101, China.

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|December 17, 2024
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Summary
This summary is machine-generated.

This review explores advancements in wire-arc-directed energy deposition (WA-DED) for metal manufacturing. It details methods to improve shape control, addressing forming defects in additive manufacturing.

Keywords:
auxiliary energy and mechanical fieldsdeposition path optimizationintegrated additive–subtractive manufacturingregulation of process parametersshape controlwire-arc additive manufacturingwire-arc-directed energy deposition

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Area of Science:

  • Materials Science
  • Manufacturing Engineering
  • Additive Manufacturing

Background:

  • Wire-arc-directed energy deposition (WA-DED) is a versatile near-net-shape metal manufacturing technology.
  • Current WA-DED methods face challenges in precise shape control, limiting their application potential.

Purpose of the Study:

  • To comprehensively review recent progress in shape control for WA-DED.
  • To identify key strategies for enhancing forming accuracy and mitigating defects in WA-DED parts.

Main Methods:

  • Analysis of process parameter influences (current, speed, feed rate) on forming accuracy.
  • Review of deposition path optimization techniques and overlap models.
  • Investigation of auxiliary fields (magnetic, ultrasonic, mechanical) for control.
  • Examination of integrated additive-subtractive manufacturing approaches.

Main Results:

  • Process parameter adjustments, heat management, and torch control significantly impact part accuracy.
  • Optimized deposition paths and overlap strategies are crucial for geometric fidelity.
  • Auxiliary fields offer novel avenues for shape and property manipulation.
  • Hybrid additive-subtractive methods enhance precision and address limitations.

Conclusions:

  • Significant advancements have been made in WA-DED shape control through parameter optimization, path planning, and auxiliary fields.
  • Integrated additive-subtractive approaches represent a promising direction for defect reduction and precision manufacturing.
  • Further research in these areas will drive the wider adoption of WA-DED technology.