Modern Cold Spray Technique

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Corrosion and Protection".

Deadline for manuscript submissions: closed (31 July 2022) | Viewed by 3090

Special Issue Editors


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Guest Editor
Department of Engineering Science and Mechanics, College of Engineering, The Pennsylvania State University, University Park, PA 16802, USA
Interests: cold spray; additive manufacturing; materials characterization; multiphase flow; solid state consolidation

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Guest Editor
Army Research Laboratory, Aberdeen Proving Ground, MD 21005-5201, USA
Interests: cold spray process; coating technology; corrosion protection; powder technology; heat treatment; failure analysis; additive manufacturing
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Special Issue Information

Dear Colleagues,

Research on cold spray technology is rapidly expanding in a number of critical areas that include coatings for corrosion resistance, wear resistance, material restoration, additive manufacturing, structural repair, bio-compatible materials, reactive materials, and direct-write processes.  The successful implementation of cold spray has been the focus of research and development efforts in powder composition, processing and characterization, multiphase flow and structural modeling, equipment design and optimization, process parameters, and material testing. This research spans a number of different disciplines and requires the coordination of all aspects of cold spray. New applications that exploit the advantages of cold spray are being developed at an increasing rate. Research is expanding into the fundamental physics of the cold spray process, such as the high strain rate behavior, bonding mechanism, and effects of oxide deposition quality, as well as its areas of application.

This Special Issue welcomes papers on cold spray that cover the a spectrum of works, from basic, fundamental research to applications such as additive manufacturing. The Special Issues aims to present cutting edge results from a broad spectrum of technologies.

Dr. Timothy John Eden
Dr. Victor K. Champagne
Guest Editors

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Keywords

  • Cold spray
  • Additive manufacturing
  • Corrosion
  • Wear
  • Multiphase flow

Published Papers (1 paper)

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Research

14 pages, 6695 KiB  
Article
Effect of Post-Deposition Solution Treatment and Ageing on Improving Interfacial Adhesion Strength of Cold Sprayed Ti6Al4V Coatings
by Dibakor Boruah and Xiang Zhang
Metals 2021, 11(12), 2038; https://0-doi-org.brum.beds.ac.uk/10.3390/met11122038 - 15 Dec 2021
Cited by 6 | Viewed by 2384 | Correction
Abstract
This study aims at investigating the effect of post-deposition solution treatment and ageing (STA) on improving the interfacial adhesion strength in cold spray (CS) Ti6Al4V coatings deposited on Ti6Al4V substrates, measured by the adhesive-free collar-pin pull-off (CPP) test. Solution treatment was performed at [...] Read more.
This study aims at investigating the effect of post-deposition solution treatment and ageing (STA) on improving the interfacial adhesion strength in cold spray (CS) Ti6Al4V coatings deposited on Ti6Al4V substrates, measured by the adhesive-free collar-pin pull-off (CPP) test. Solution treatment was performed at 940 °C for 1 h and ageing was carried out at 480 °C for 8 h. Investigations were carried out for specimens with three different pre-treatments of the substrate surface, namely grit-blasted, as-machined (faced on lathe machine), and ground. Additionally, the effect of post-deposition STA was studied in terms of phase analysis, microstructure, and porosity level. It was observed that STA led to complete interfacial mixing resulting in significantly improved adhesion strength (by more than 520%) with the maximum measured value of greater than 766 MPa for ground substrates, reaching 81% of the ultimate tensile strength of mill annealed Ti6Al4V. Full article
(This article belongs to the Special Issue Modern Cold Spray Technique)
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