A new approach for analyzing the temperature rise and heat partition at the interface of coated tool tip-sheet incremental forming systems

Xin Zhang, Tao He, Hirotaka Miwa, Toshikazu Nanbu, Ryou Murakami, Shuangbiao Liu, Jian Cao, Q Jane Wang

Research output: Contribution to journalArticle

Abstract

This paper reports a semi-analytical model for studying general and critical heat-transfer characteristics at the interface between a coated sheet and a moving coated tool tip in incremental forming considering heat partition. Both of the tool tip and the sheet can be treated as a coating-substrate material system. The frequency response functions (FRFs) for temperature rise in each material system are analytically derived, in which the tool-tip velocity is incorporated by means of the Galilean transform. The FRFs are then converted into influence coefficients (ICs) in the frequency domain for solution efficiency and convenience. Fast numerical techniques are applied, such as the conjugate gradient method (CGM) for searching the distributed tool-tip/sheet heat partition and the fast Fourier transform (FFT) for obtaining temperature solutions. The proposed model is implemented to analyze the combined influences of Péclet number, coating thicknesses of the tool tip and the sheet, sheet thickness, and heat conductivity of each material on the temperature rise and the heat partition at the interface, and the sensitivity of the dependence of the peak temperature on these system parameters.

LanguageEnglish (US)
Pages1172-1183
Number of pages12
JournalInternational Journal of Heat and Mass Transfer
Volume129
DOIs
StatePublished - Feb 1 2019

Fingerprint

partitions
heat
frequency response
Frequency response
Temperature
influence coefficient
temperature
Coatings
conjugate gradient method
Peclet number
Conjugate gradient method
Fast Fourier transforms
coating
Analytical models
Thermal conductivity
heat transfer
Hot Temperature
Heat transfer
coatings
conductivity

Keywords

  • Coating
  • Heat partition
  • Incremental forming
  • Sensitivity analysis
  • Thermal analysis

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

Cite this

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title = "A new approach for analyzing the temperature rise and heat partition at the interface of coated tool tip-sheet incremental forming systems",
abstract = "This paper reports a semi-analytical model for studying general and critical heat-transfer characteristics at the interface between a coated sheet and a moving coated tool tip in incremental forming considering heat partition. Both of the tool tip and the sheet can be treated as a coating-substrate material system. The frequency response functions (FRFs) for temperature rise in each material system are analytically derived, in which the tool-tip velocity is incorporated by means of the Galilean transform. The FRFs are then converted into influence coefficients (ICs) in the frequency domain for solution efficiency and convenience. Fast numerical techniques are applied, such as the conjugate gradient method (CGM) for searching the distributed tool-tip/sheet heat partition and the fast Fourier transform (FFT) for obtaining temperature solutions. The proposed model is implemented to analyze the combined influences of P{\'e}clet number, coating thicknesses of the tool tip and the sheet, sheet thickness, and heat conductivity of each material on the temperature rise and the heat partition at the interface, and the sensitivity of the dependence of the peak temperature on these system parameters.",
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A new approach for analyzing the temperature rise and heat partition at the interface of coated tool tip-sheet incremental forming systems. / Zhang, Xin; He, Tao; Miwa, Hirotaka; Nanbu, Toshikazu; Murakami, Ryou; Liu, Shuangbiao; Cao, Jian; Wang, Q Jane.

In: International Journal of Heat and Mass Transfer, Vol. 129, 01.02.2019, p. 1172-1183.

Research output: Contribution to journalArticle

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AU - Liu, Shuangbiao

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