PDF

Wire+Arc Additively Manufactured Inconel 718: Effect of post-deposition heat treatments on microstructure and tensile properties

C. E. Seow, H. E. Coules

2019eninconelmanufacturingmicrostructuretensileheat treatment

Abstract

Language:

Wire + Arc Additive Manufacturing (WAAM) has emerged as a promising technique for producing large free-form components from advanced materials like nickel-base superalloys, particularly Inconel 718, which is favored due to its superior weldability. This study aims to investigate the effects of post-deposition heat treatments on the microstructure and tensile properties of WAAM Inconel 718. A series of experiments were conducted to analyze the microstructural changes and the corresponding mechanical properties after different heat treatment processes. The findings reveal that the as-deposited WAAM Inconel 718 exhibits Laves phase in its microstructure, which can adversely affect its performance. Application of a modified heat treatment effectively dissolved the Laves phase without leading to the precipitation of the δ phase. Furthermore, alterations in the grain structure induced by the heat treatments contributed to a reduction in anisotropy, resulting in enhanced elevated temperature tensile properties that meet the minimum specifications for cast materials, although they still fall short of those for wrought materials. This research underscores the significance of optimizing post-deposition treatments to improve the mechanical performance of WAAM Inconel 718 components.

Download

Cite This Work

@article{3a9c70dc-521e-45a1-a4cd-de37a6bcea35,
  title={Wire+Arc Additively Manufactured Inconel 718: Effect of post-deposition heat treatments on microstructure and tensile properties},
  author={C. E. Seow and H. E. Coules},
  year={2019},
  language={en}
}
TY  - JOUR
TI  - Wire+Arc Additively Manufactured Inconel 718: Effect of post-deposition heat treatments on microstructure and tensile properties
AU  - C. E. Seow
AU  - H. E. Coules
PY  - 2019
LA  - en
ER  -

Similar Items

Metal Casting Processes

Unknown, Unknown

This chapter discusses metal casting processes, highlighting the diversity and common characteristics among them. The objective is to elucidate the fu

2023enPDF

Quenching theory and technology B Liéséciâc; International Federation for Heat Treatment and ( WeLib.org )

2026enPDF

THE EFFECT VANADIUM CONTENT AND HEAT TREATMENT ON WEAR RESISTANCE AND FRACTURE TOUGHNESS OF FE-CR-C-V ALLOY

Mirjana Filipović, Željko Kamberović, Marija Korać

Experimental results indicate that the volume fraction of the carbide phase, carbide size and distribution had an important influence on the wear resi

2014enPDF

AN INTRODUCTION TO THE METALLURGY OF STEEL AND ITS ALLOYS

Robert A. Francis

This document serves as a comprehensive introduction to the metallurgy of steel and its alloys, focusing on various aspects of iron and steel manufact

2017enPDF

Artificial intelligence-aided materials design: AI-algorithms and case studies on alloys and metallurgical processes

Rajesh Jha, Bimal Kumar Jha

This book describes the application of artificial intelligence (AI) and machine learning (ML) concepts to develop predictive models that can be used t

2022enPDF

Process Engineering and Plant Design

Siddhartha Mukherjee

This book provides a comprehensive overview of the critical aspects of industrial process engineering and plant design, addressing the complexities an

2022enPDF