High Pressure Interpass Rolling of Wire + Arc Additively Manufactured Titanium Components

Paul A. Colegrove; Filomeno Martina; Matthew J. Roy; Blanka A. Szost; Sofiane Terzi; Stewart W. Williams; Philip J. Withers; David Jarvis

doi:10.4028/www.scientific.net/AMR.996.694

Paper Titles

Characterisation of Residual Stress due to Fillet Rolling on Bolts Made of a Nickel Base Superalloy
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Effect of Different Manufacturing Process Steps on the Final Residual Stress Depth Profile along the Process Chain of Autofrettaged Thick-Walled-Cylinders
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Effect of Thermal Residual Stresses on Bonded Structures Containing Cold Expanded and Bolted Holes
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Modification of Stress and Texture Distributions in Asymmetrically Rolled Titanium
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High Pressure Interpass Rolling of Wire + Arc Additively Manufactured Titanium Components
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The Role of Residual Elastic Stress in Shrinkage of Cold-Pressed and Sintered Fuel Tablets
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Modeling of Stress and Strain Fields Induced during the Smart-Cut Process on Silicone - Influence of Different Couplings for Diffusion of Hydrogen at a Microscopic Scale
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Effect of Surface Properties on the Fatigue Life of Manufactured Parts: Experimental Analysis and Multi-Axial Criteria
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The Concept of Local Fatigue Strength Extended by Statistical Approaches to Assess Manufacturing Influences such as Residual Stresses
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 996High Pressure Interpass Rolling of Wire + Arc...

High Pressure Interpass Rolling of Wire + Arc Additively Manufactured Titanium Components

Abstract:

Wire + Arc Additively Manufactured components contain significant residual stresses that manifest in distortion. Each layer of an additively manufactured wall was rolled with the aim of reducing the residual stress. Neutron diffraction and contour method measurements show that the residual stresses were reduced particularly at the boundary with the substrate. The process also reduced distortion, and refined the microstructure which may facilitate implementation on aerospace components.

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Periodical:

Advanced Materials Research (Volume 996)

Pages:

694-700

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.996.694

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Online since:

August 2014

Authors:

Paul A. Colegrove*, Filomeno Martina, Matthew J. Roy, Blanka A. Szost, Sofiane Terzi, Stewart W. Williams, Philip J. Withers, David Jarvis

Keywords:

Additive Manufacture, Distortion, Residual Stress

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Creative Commons CC BY 4.0

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* - Corresponding Author

References

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