Additive manufacturing of high-quality NiCu/diamond composites through powder bed fusion

Ruochong Wang; Rui Zhou; Jingzhuo Zhou; Juzheng Chen; Huixia Li; Weiwei He; Wei Zhang; Li Wang; Yang Lu; Yong Liu

doi:10.1016/j.addma.2024.104288

Additive manufacturing of high-quality NiCu/diamond composites through powder bed fusion

Ruochong Wang
, Rui Zhou^*
, Jingzhuo Zhou
, Juzheng Chen
, Huixia Li
, Weiwei He
, Wei Zhang
, Li Wang
, Yang Lu^*
, Yong Liu^*

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

17 Citations (Scopus)

Abstract

Diamond composites exhibit exceptional hardness, chemical stability and thermal conductivity, but poor machinability limits their widespread applications. This work for the first time reported the use of electron beam melting technique for powder bed fusion (PBF) of 3D-structured NiCu/diamond composites, resulting in a high relative density (>95 %) and avoidance of graphitization, thereby offering overall excellent mechanical properties. Detailed analyses of the interactions between electron beams and NiCu/diamonds revealed that adjusting the linear energy density (LED) can control densification and local graphitization behavior. A dimensionless volumetric energy density (DVED) range derived from a semi-quantitative model has been proposed. The optimized values of DVED (4.1＜E_D*＜5.1) are useful guideline for producing metal/diamond composites with complex 3D geometries for various engineering applications. © 2024 Elsevier B.V.

Original language	English
Article number	104288
Journal	Additive Manufacturing
Volume	89
DOIs	https://doi.org/10.1016/j.addma.2024.104288
Publication status	Published - 5 Jun 2024

Funding

This research was supported by the National Key Research and Development Program of China ( 2021YFB3701800 ), the Fundamental Research Funds for the Central Universities of Central South University ( 2023ZZTS0709 ), Hong Kong RGC General Research Fund ( 11200623 ) and Collaborative Research Fund ( C7074-23G ). The authors are particularly grateful to Yong Yang group from the Department of Mechanical Engineering, City University of Hong Kong, and Libao Chen group from the State Key Laboratory of Powder Metallurgy, Central South University for their support to this work.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 9 Industry, Innovation, and Infrastructure

Research Keywords

Diamond composites
Graphitization
NiCu alloys
Powder bed fusion (PBF)

RGC Funding Information

RGC-funded

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10.1016/j.addma.2024.104288

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title = "Additive manufacturing of high-quality NiCu/diamond composites through powder bed fusion",

abstract = "Diamond composites exhibit exceptional hardness, chemical stability and thermal conductivity, but poor machinability limits their widespread applications. This work for the first time reported the use of electron beam melting technique for powder bed fusion (PBF) of 3D-structured NiCu/diamond composites, resulting in a high relative density (>95 \%) and avoidance of graphitization, thereby offering overall excellent mechanical properties. Detailed analyses of the interactions between electron beams and NiCu/diamonds revealed that adjusting the linear energy density (LED) can control densification and local graphitization behavior. A dimensionless volumetric energy density (DVED) range derived from a semi-quantitative model has been proposed. The optimized values of DVED (4.1＜ED*＜5.1) are useful guideline for producing metal/diamond composites with complex 3D geometries for various engineering applications. {\textcopyright} 2024 Elsevier B.V.",

keywords = "Diamond composites, Graphitization, NiCu alloys, Powder bed fusion (PBF)",

author = "Ruochong Wang and Rui Zhou and Jingzhuo Zhou and Juzheng Chen and Huixia Li and Weiwei He and Wei Zhang and Li Wang and Yang Lu and Yong Liu",

year = "2024",

month = jun,

day = "5",

doi = "10.1016/j.addma.2024.104288",

language = "English",

volume = "89",

journal = "Additive Manufacturing",

issn = "2214-8604",

publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Additive manufacturing of high-quality NiCu/diamond composites through powder bed fusion

AU - Wang, Ruochong

AU - Zhou, Rui

AU - Zhou, Jingzhuo

AU - Chen, Juzheng

AU - Li, Huixia

AU - He, Weiwei

AU - Zhang, Wei

AU - Wang, Li

AU - Lu, Yang

AU - Liu, Yong

PY - 2024/6/5

Y1 - 2024/6/5

N2 - Diamond composites exhibit exceptional hardness, chemical stability and thermal conductivity, but poor machinability limits their widespread applications. This work for the first time reported the use of electron beam melting technique for powder bed fusion (PBF) of 3D-structured NiCu/diamond composites, resulting in a high relative density (>95 %) and avoidance of graphitization, thereby offering overall excellent mechanical properties. Detailed analyses of the interactions between electron beams and NiCu/diamonds revealed that adjusting the linear energy density (LED) can control densification and local graphitization behavior. A dimensionless volumetric energy density (DVED) range derived from a semi-quantitative model has been proposed. The optimized values of DVED (4.1＜ED*＜5.1) are useful guideline for producing metal/diamond composites with complex 3D geometries for various engineering applications. © 2024 Elsevier B.V.

AB - Diamond composites exhibit exceptional hardness, chemical stability and thermal conductivity, but poor machinability limits their widespread applications. This work for the first time reported the use of electron beam melting technique for powder bed fusion (PBF) of 3D-structured NiCu/diamond composites, resulting in a high relative density (>95 %) and avoidance of graphitization, thereby offering overall excellent mechanical properties. Detailed analyses of the interactions between electron beams and NiCu/diamonds revealed that adjusting the linear energy density (LED) can control densification and local graphitization behavior. A dimensionless volumetric energy density (DVED) range derived from a semi-quantitative model has been proposed. The optimized values of DVED (4.1＜ED*＜5.1) are useful guideline for producing metal/diamond composites with complex 3D geometries for various engineering applications. © 2024 Elsevier B.V.

KW - Diamond composites

KW - Graphitization

KW - NiCu alloys

KW - Powder bed fusion (PBF)

UR - https://www.scopus.com/pages/publications/85197304126

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-85197304126&origin=recordpage

U2 - 10.1016/j.addma.2024.104288

DO - 10.1016/j.addma.2024.104288

M3 - RGC 21 - Publication in refereed journal

SN - 2214-8604

VL - 89

JO - Additive Manufacturing

JF - Additive Manufacturing

M1 - 104288

ER -

Additive manufacturing of high-quality NiCu/diamond composites through powder bed fusion

Abstract

Funding

UN SDGs

Research Keywords

RGC Funding Information

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CRF-ExtU-Lead: Medium Entropy Alloy (MEA)-based Cubic Shell Lattice Metamaterials for Lightweight, Impact Resistance Applications

Cite this

Additive manufacturing of high-quality NiCu/diamond composites through powder bed fusion

Abstract

Funding

UN SDGs

Research Keywords

RGC Funding Information

Access Output

Other Access Options

Permanent Link

Other Files and Links

Fingerprint

Projects

CRF-ExtU-Lead: Medium Entropy Alloy (MEA)-based Cubic Shell Lattice Metamaterials for Lightweight, Impact Resistance Applications

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