Semiempirical method for process analysis on electric arc spray forming of Fe-0.06%C steel rings

H. K. Seok, H. J. Llewellyn, Jae-chul Lee, P. S. Grant

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A numerical program, which calculates the temperature profiles of electric arc spray formed (EASF) preforms, is coded on the basis of a shape forming model, droplet flight dynamics, and the boundary fitted coordinate (BFC) method for the calculation of heat transfer equations. Some thermophysical input data for the calculations, such as average droplet temperature impinging on the deposit surface, effective thermal conductivity of the deposit, and heat transfer coefficient at the interface and surface, are given by matching the experimental results with the numerical calculation results. Using the program, the temperature changes of the Fe-0.06%C steel ring deposit during the EASF process are calculated. The effects of the EASF parameters, such as substrate rotation velocity, average droplet temperature, and wire feedrate, on the temperature changes of the Fe-0.06%C steel ring preforms are also estimated.

Original languageEnglish
Pages (from-to)139-145
Number of pages7
JournalPowder Metallurgy
Volume45
Issue number2
Publication statusPublished - 2002 Dec 1
Externally publishedYes

Fingerprint

electric arcs
Electric arcs
Carbon steel
sprayers
steels
preforms
rings
deposits
Deposits
Temperature
temperature
heat transfer coefficients
Flight dynamics
temperature profiles
thermal conductivity
heat transfer
Heat transfer coefficients
flight
wire
Thermal conductivity

ASJC Scopus subject areas

  • Metals and Alloys

Cite this

Semiempirical method for process analysis on electric arc spray forming of Fe-0.06%C steel rings. / Seok, H. K.; Llewellyn, H. J.; Lee, Jae-chul; Grant, P. S.

In: Powder Metallurgy, Vol. 45, No. 2, 01.12.2002, p. 139-145.

Research output: Contribution to journalArticle

Seok, H. K. ; Llewellyn, H. J. ; Lee, Jae-chul ; Grant, P. S. / Semiempirical method for process analysis on electric arc spray forming of Fe-0.06%C steel rings. In: Powder Metallurgy. 2002 ; Vol. 45, No. 2. pp. 139-145.
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