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Carbon nanotube (CNT) reinforced 316L stainless steel composites made by laser powder bed fusion: Microstructure and wear response

Journal Article · · Wear
Carbon nanotube (CNT) reinforced 316L stainless steel (SS) composites were fabricated by laser powder bed fusion (LPBF) additive manufacturing (AM). This study focuses on microstructure evolution, hardness, and wear behavior. The wear behavior for AM 316L SS and 1 wt% CNT/316L SS was studied by a dry sliding test under normal loads of 10, 15, and 25 N. The addition of CNT to 316L SS led to the change of solidification mode from cellular/columnar to dendritic growth, producing grain refinement. Nanoscale dendrites were observed. Although TEM characterization confirmed the existence of CNT in cell interior, most CNT were damaged, resulting in carbon material segregation along cellular/dendritic boundaries. The wear rate was found dramatically decreased due to the improved hardness. Compared to the adhesive and abrasive wear in AM 316L SS, the wear mechanism of CNT/316L composite was adhesion and oxidative wear. Furthermore, enhanced cellular/dendritic boundary strengthening by carbon segregation was the main strengthening mechanism of CNT/316L composite.
Research Organization:
Auburn University, AL (United States)
Sponsoring Organization:
USDOE Office of Nuclear Energy (NE)
Grant/Contract Number:
NE0009016
OSTI ID:
1977708
Journal Information:
Wear, Journal Name: Wear Journal Issue: C Vol. 496-497; ISSN 0043-1648
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

References (56)

Oxide Formation, Morphology, and Nanohardness of Laser-Patterned Steel Surfaces journal January 2015
Phase instabilities during high temperature exposure of 316 austenitic stainless steel journal April 1972
Theoretical and Finite Element Analysis of Static Friction Between Multi-Scale Rough Surfaces journal October 2018
Metal Additive Manufacturing: A Review journal April 2014
The nucleation of M23C6 carbide particles in the grain boundaries of an austenitic stainless steel journal October 1971
Indentation size effects in crystalline materials: A law for strain gradient plasticity journal March 1998
Effects of yttrium on microstructure, mechanical properties and high-temperature wear behavior of cast Stellite 6 alloy journal August 2003
Processing and properties of particulate reinforced steel matrix composites journal May 1998
Improving the wettability of aluminum on carbon nanotubes journal May 2011
Laser powder-bed fusion additive manufacturing: Physics of complex melt flow and formation mechanisms of pores, spatter, and denudation zones journal April 2016
Origin of dislocation structures in an additively manufactured austenitic stainless steel 316L journal October 2020
New insights on cellular structures strengthening mechanisms and thermal stability of an austenitic stainless steel fabricated by laser powder-bed-fusion journal January 2021
Enhanced tribological properties of MWCNT/Ni bulk composites – Influence of processing on friction and wear behaviour journal January 2014
Effect of ball-milling time on mechanical properties of carbon nanotubes reinforced aluminum matrix composites journal December 2012
Microstructure, microhardness and thermal expansion of CNT/Al composites prepared by flake powder metallurgy journal February 2018
Novel TiB2-reinforced 316L stainless steel nanocomposites with excellent room- and high-temperature yield strength developed by additive manufacturing journal January 2019
Selective laser melting of dispersed TiC particles strengthened 316L stainless steel journal October 2020
Selective laser melting of carbon/AlSi10Mg composites: Microstructure, mechanical and electronical properties journal April 2016
Rapid fabrication of bulk-form TiB2/316L stainless steel nanocomposites with novel reinforcement architecture and improved performance by selective laser melting journal September 2016
In-situ formation of novel TiC-particle-reinforced 316L stainless steel bulk-form composites by selective laser melting journal June 2017
Thermal behavior of the molten pool, microstructural evolution, and tribological performance during selective laser melting of TiC/316L stainless steel nanocomposites: Experimental and simulation methods journal July 2018
The influence of carbon nanotube addition on the phase composition, microstructure and mechanical properties of 316L stainless steel consolidated by spark plasma sintering journal January 2019
Microstructure and fatigue behavior of laser-powder bed fusion austenitic stainless steel journal June 2020
The relationship between hardness and yield stress in irradiated austenitic and ferritic steels journal February 2005
Intragranular cellular segregation network structure strengthening 316L stainless steel prepared by selective laser melting journal March 2016
Crack and wear behavior of SiC particulate reinforced aluminium based metal matrix composite fabricated by direct metal laser sintering process journal January 2011
Selective laser melting of TiC reinforced 316L stainless steel matrix nanocomposites: Influence of starting TiC particle size and volume content journal August 2016
Microstructural characteristics and mechanical properties of carbon nanotube reinforced Inconel 625 parts fabricated by selective laser melting journal December 2016
Densification behavior, microstructural evolution, and mechanical properties of TiC/316L stainless steel nanocomposites fabricated by selective laser melting journal January 2018
The influence of CNTs on the microstructure and ductility of CNT/Mg composites journal October 2016
Hardened austenite steel with columnar sub-grain structure formed by laser melting journal February 2015
Strengthening of stainless steel by titanium carbide addition and grain refinement during selective laser melting journal January 2018
Preparation and mechanical properties of CNTs-AlSi10Mg composite fabricated via selective laser melting journal September 2018
Effect of heat treatment on microstructure and mechanical properties of 316L steel synthesized by selective laser melting journal March 2019
Evolution of carbon nanotubes and their metallurgical reactions in Al-based composites in response to laser irradiation during selective laser melting journal September 2019
Microstructure evolution, mechanical properties, and strengthening mechanism of TiC reinforced Inconel 625 nanocomposites fabricated by selective laser melting journal August 2020
Microstructure and electrochemical corrosion properties of nickel-plated carbon nanotubes composite Inconel718 alloy coatings by laser melting deposition journal November 2019
Mixing of carbon nanotubes (CNTs) and aluminum powder for powder metallurgy use journal March 2011
Laser powder bed fusion additive manufacturing, microstructure evolution, and mechanical performance of carbon nanotube-decorated titanium alloy powders journal April 2021
Effect of SiC particles on the laser sintering of Al–7Si–0.3Mg alloy journal July 2008
Structural, mechanical and tribological investigations of CNT-316 stainless steel nanocomposites processed via spark plasma sintering journal December 2020
Abrasive wear behaviour of laser sintered iron–SiC composites journal October 2009
Effect of solution treatment on cavitation erosion behavior of high-nitrogen austenitic stainless steel journal April 2019
Additively manufactured hierarchical stainless steels with high strength and ductility journal October 2017
Simultaneously enhanced strength and ductility for 3D-printed stainless steel 316L by selective laser melting journal April 2018
A comprehensive study on microstructure and tensile behaviour of a selectively laser melted stainless steel journal May 2018
Load transfer in carbon nanotube epoxy composites journal December 1998
Laser sintering of separated and uniformly distributed multiwall carbon nanotubes integrated iron nanocomposites journal March 2014
A nano-indentation study of the contact resistance and resistivity of a bi-layered Au/multi-walled carbon nanotube composite journal March 2015
The Behavior of Thrust Washer Bearings Considering Mixed Lubrication and Asperity Contact journal July 2006
Strength versus ductility in carbon nanotube reinforced nickel matrix nanocomposites journal March 2014
Self-Organization during Friction in Complex Surface Engineered Tribosystems journal February 2010
Tribo-Mechanisms of Carbon Nanotubes: Friction and Wear Behavior of CNT-Reinforced Nickel Matrix Composites and CNT-Coated Bulk Nickel journal April 2016
An Experimental Study of Temperature Effect on Properties of Nitride Layers on X37CrMoV51 Tool Steel Used in Extrusion Aluminium Industry journal May 2020
Microstructure, Solidification Texture, and Thermal Stability of 316 L Stainless Steel Manufactured by Laser Powder Bed Fusion journal August 2018
Microstructure and Mechanical Properties of TiC-Reinforced 316L Stainless Steel Composites Fabricated Using Selective Laser Melting journal February 2019