Porosity control of in situ forming tungsten carbide in laser additive manufacturing (LAM)

P. Sevcenko; A. Chrysanthou; C. Y. Kong; P. Nicolson

Porosity control of in situ forming tungsten carbide in laser additive manufacturing (LAM)

P. Sevcenko, A. Chrysanthou, C. Y. Kong, P. Nicolson

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

51 Downloads (Pure)

Abstract

The effect of powder compression on the formation of porosity when heating with a laser beam has been investigated. The starting materials were elemental powders of Fe, W and C which were locally melted to form WC in Fe matrix by an in situ laser additive manufacturing (LAM) process. The resulting microstructures have been studied and chemical analysis has been performed. The main application for the process is for the production of WC based or carbide cutting tooling by very accurate deposition of hard-facing materials onto a steel substrate. Fe is used as the matrix material since ferrous alloys are employed as the substrate for these applications.

Original language	English
Pages (from-to)	313-320
Number of pages	8
Journal	Lasers in Engineering
Volume	46
Issue number	5-6
Publication status	Published - 2020

Keywords

Fibre laser
In situ tungsten carbide formation
Laser additive manufacturing (LAM)
Porosity control
Tungsten carbide
WC

Access to Document

LIEv46n5-6p313-320Sevcenko
© 2020 Old City Publishing, Inc. Published by license under the OCP Science imprint, a member of the Old City Publishing Group.
Final published version, 544 KBLicence: Unspecified

https://www.oldcitypublishing.com/journals/lie-home/lie-issue-contents/lie-volume-46-number-5-6-2020/lie-46-5-6-p-313-320/Licence: Unspecified

Cite this

@article{9da4d3b24786460789bf34f3644fe7c2,

title = "Porosity control of in situ forming tungsten carbide in laser additive manufacturing (LAM)",

abstract = "The effect of powder compression on the formation of porosity when heating with a laser beam has been investigated. The starting materials were elemental powders of Fe, W and C which were locally melted to form WC in Fe matrix by an in situ laser additive manufacturing (LAM) process. The resulting microstructures have been studied and chemical analysis has been performed. The main application for the process is for the production of WC based or carbide cutting tooling by very accurate deposition of hard-facing materials onto a steel substrate. Fe is used as the matrix material since ferrous alloys are employed as the substrate for these applications.",

keywords = "Fibre laser, In situ tungsten carbide formation, Laser additive manufacturing (LAM), Porosity control, Tungsten carbide, WC",

author = "P. Sevcenko and A. Chrysanthou and Kong, {C. Y.} and P. Nicolson",

note = "{\textcopyright} 2020 Old City Publishing, Inc. Published by license under the OCP Science imprint, a member of the Old City Publishing Group.",

year = "2020",

language = "English",

volume = "46",

pages = "313--320",

journal = "Lasers in Engineering",

issn = "0898-1507",

publisher = "Old City Publishing",

number = "5-6",

}

TY - JOUR

T1 - Porosity control of in situ forming tungsten carbide in laser additive manufacturing (LAM)

AU - Sevcenko, P.

AU - Chrysanthou, A.

AU - Kong, C. Y.

AU - Nicolson, P.

PY - 2020

Y1 - 2020

N2 - The effect of powder compression on the formation of porosity when heating with a laser beam has been investigated. The starting materials were elemental powders of Fe, W and C which were locally melted to form WC in Fe matrix by an in situ laser additive manufacturing (LAM) process. The resulting microstructures have been studied and chemical analysis has been performed. The main application for the process is for the production of WC based or carbide cutting tooling by very accurate deposition of hard-facing materials onto a steel substrate. Fe is used as the matrix material since ferrous alloys are employed as the substrate for these applications.

AB - The effect of powder compression on the formation of porosity when heating with a laser beam has been investigated. The starting materials were elemental powders of Fe, W and C which were locally melted to form WC in Fe matrix by an in situ laser additive manufacturing (LAM) process. The resulting microstructures have been studied and chemical analysis has been performed. The main application for the process is for the production of WC based or carbide cutting tooling by very accurate deposition of hard-facing materials onto a steel substrate. Fe is used as the matrix material since ferrous alloys are employed as the substrate for these applications.

KW - Fibre laser

KW - In situ tungsten carbide formation

KW - Laser additive manufacturing (LAM)

KW - Porosity control

KW - Tungsten carbide

KW - WC

UR - http://www.scopus.com/inward/record.url?scp=85091602790&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:85091602790

SN - 0898-1507

VL - 46

SP - 313

EP - 320

JO - Lasers in Engineering

JF - Lasers in Engineering

IS - 5-6

ER -

Porosity control of in situ forming tungsten carbide in laser additive manufacturing (LAM)

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this