{"title":"Efficient additive manufacturing of 2209 duplex stainless steel using multi-stranded wire plasma arc: Numerical simulation, microstructure and mechanical properties","authors":"Haoquan Zhang , Kang Peng , Wenjun Wu , Liang Yu , Ramachandra Arvind Singh , Xizhang Chen","doi":"10.1016/j.vacuum.2025.114251","DOIUrl":null,"url":null,"abstract":"<div><div>This study combines multi-stranded wires with plasma arc additive manufacturing (PAAM) to produce 2209 duplex stainless steel (2209 DSS). The PAAM process for multi-stranded 2209 DSS wire is explored through numerical simulation and experiments. Results show a 40 % increase in deposition rate compared to single wire. Numerical simulations suggest that depositing 10 layers under reciprocating deposition (RD) conditions at 1.4 kJ/cm thermal input stabilizes fabrication, minimizing residual stresses and harmful brittle phase formation. The resulting 2209 DSS thin-walled component exhibits excellent forming characteristics. Microstructure shows that overall two-phase ratio is close to ideal state (ferrite: austenite = 1:1), and there is no precipitation of detrimental brittle phase. Above experimental results demonstrate reliability of simulation model and validity of simulation results. In addition, component has excellent mechanical properties, and its overall average hardness is about 5 % higher than GB/T 4237-2015. Ultimate tensile strength (UTS) of whole component exceeds ASTM-A890 standard, with best tensile performance in middle region. Compared with GB/T 4237-2015, UTS, yield strength and elongation of middle region are 12 %, 45 % and 63 % higher, respectively.</div></div>","PeriodicalId":23559,"journal":{"name":"Vacuum","volume":"238 ","pages":"Article 114251"},"PeriodicalIF":3.8000,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Vacuum","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0042207X25002416","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
This study combines multi-stranded wires with plasma arc additive manufacturing (PAAM) to produce 2209 duplex stainless steel (2209 DSS). The PAAM process for multi-stranded 2209 DSS wire is explored through numerical simulation and experiments. Results show a 40 % increase in deposition rate compared to single wire. Numerical simulations suggest that depositing 10 layers under reciprocating deposition (RD) conditions at 1.4 kJ/cm thermal input stabilizes fabrication, minimizing residual stresses and harmful brittle phase formation. The resulting 2209 DSS thin-walled component exhibits excellent forming characteristics. Microstructure shows that overall two-phase ratio is close to ideal state (ferrite: austenite = 1:1), and there is no precipitation of detrimental brittle phase. Above experimental results demonstrate reliability of simulation model and validity of simulation results. In addition, component has excellent mechanical properties, and its overall average hardness is about 5 % higher than GB/T 4237-2015. Ultimate tensile strength (UTS) of whole component exceeds ASTM-A890 standard, with best tensile performance in middle region. Compared with GB/T 4237-2015, UTS, yield strength and elongation of middle region are 12 %, 45 % and 63 % higher, respectively.
期刊介绍:
Vacuum is an international rapid publications journal with a focus on short communication. All papers are peer-reviewed, with the review process for short communication geared towards very fast turnaround times. The journal also published full research papers, thematic issues and selected papers from leading conferences.
A report in Vacuum should represent a major advance in an area that involves a controlled environment at pressures of one atmosphere or below.
The scope of the journal includes:
1. Vacuum; original developments in vacuum pumping and instrumentation, vacuum measurement, vacuum gas dynamics, gas-surface interactions, surface treatment for UHV applications and low outgassing, vacuum melting, sintering, and vacuum metrology. Technology and solutions for large-scale facilities (e.g., particle accelerators and fusion devices). New instrumentation ( e.g., detectors and electron microscopes).
2. Plasma science; advances in PVD, CVD, plasma-assisted CVD, ion sources, deposition processes and analysis.
3. Surface science; surface engineering, surface chemistry, surface analysis, crystal growth, ion-surface interactions and etching, nanometer-scale processing, surface modification.
4. Materials science; novel functional or structural materials. Metals, ceramics, and polymers. Experiments, simulations, and modelling for understanding structure-property relationships. Thin films and coatings. Nanostructures and ion implantation.