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Title: A Road Map for the Advanced Manufacturing of Ferritic-Martensitic Steels

Abstract

Advanced manufacturing (AM) is a disruptive manufacturing process often referred to as “the next industrial revolution” because of its ability to fabricate components with complex geometries and site-specific materials and properties. While other industries, like automotive, aerospace, and fossil-fired power companies, are adopting and evaluating AM processes, the nuclear industry, including the fusion materials community, has been somewhat slow to capitalize on the seemingly beneficial aspects of AM. To address this gap, Oak Ridge National Laboratory is evaluating candidate AM techniques to fabricate nuclear-relevant materials including ferritic-martensitic (FM) steels. This paper discusses the development of a road map for AM approaches for FM steels. Specifically, the connection among alloy composition, additive processes, processing conditions, and postprocessing and the resulting microstructure using both wire-based and powder-based directed energy deposition techniques is detailed. Lastly, strategies to develop specialized alloys for additive manufacturing are outlined.

Authors:
ORCiD logo [1]; ORCiD logo [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1524882
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Fusion Science and Technology
Additional Journal Information:
Journal Volume: 75; Journal Issue: 4; Journal ID: ISSN 1536-1055
Publisher:
American Nuclear Society
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 22 GENERAL STUDIES OF NUCLEAR REACTORS; additive manufacturing; 9–12%Cr steels; postprocessing; characterization

Citation Formats

Sridharan, Niyanth S., and Field, Kevin G. A Road Map for the Advanced Manufacturing of Ferritic-Martensitic Steels. United States: N. p., 2019. Web. doi:10.1080/15361055.2019.1577124.
Sridharan, Niyanth S., & Field, Kevin G. A Road Map for the Advanced Manufacturing of Ferritic-Martensitic Steels. United States. doi:10.1080/15361055.2019.1577124.
Sridharan, Niyanth S., and Field, Kevin G. Mon . "A Road Map for the Advanced Manufacturing of Ferritic-Martensitic Steels". United States. doi:10.1080/15361055.2019.1577124.
@article{osti_1524882,
title = {A Road Map for the Advanced Manufacturing of Ferritic-Martensitic Steels},
author = {Sridharan, Niyanth S. and Field, Kevin G.},
abstractNote = {Advanced manufacturing (AM) is a disruptive manufacturing process often referred to as “the next industrial revolution” because of its ability to fabricate components with complex geometries and site-specific materials and properties. While other industries, like automotive, aerospace, and fossil-fired power companies, are adopting and evaluating AM processes, the nuclear industry, including the fusion materials community, has been somewhat slow to capitalize on the seemingly beneficial aspects of AM. To address this gap, Oak Ridge National Laboratory is evaluating candidate AM techniques to fabricate nuclear-relevant materials including ferritic-martensitic (FM) steels. This paper discusses the development of a road map for AM approaches for FM steels. Specifically, the connection among alloy composition, additive processes, processing conditions, and postprocessing and the resulting microstructure using both wire-based and powder-based directed energy deposition techniques is detailed. Lastly, strategies to develop specialized alloys for additive manufacturing are outlined.},
doi = {10.1080/15361055.2019.1577124},
journal = {Fusion Science and Technology},
number = 4,
volume = 75,
place = {United States},
year = {2019},
month = {5}
}

Journal Article:
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