The effects of alloying and thermal factors on the solidification and mechanical properties of gray iron

Yunfeng Yang, Arno Louvo, Tapio Rantala

Research output: Book/ReportReport

1 Citation (Scopus)

Abstract

A derivative thermal analysis system and several computer programs are established and employed in the present quantitative studies of the combined effects of thermal factors and alloying on the solidification processes and properties of low alloy grey iron. Among the thermal factors demonstrated by the thermal analysis curves the cooling rate at 900 °C has been shown to provide the best prediction of the final properties and microstructures under fixed composition. This makes it possible to use solidification simulation in property prediction. Some alloying effects of molybdenum, chromium and vanadium etc. are revealed, also taking the cooling rate into consideration. The combined effects of both the alloying and the cooling rate and some other metallurgical relations are approximated in several mathematical expressions which should be useful for the computer simulation of casting properties as well as for chemical composition design.
Original languageEnglish
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Number of pages34
ISBN (Print)951-38-3428-X
Publication statusPublished - 1989
MoE publication typeD4 Published development or research report or study

Publication series

SeriesValtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports
Number611
ISSN0358-5077

Fingerprint

solidification
alloying
mechanical properties
iron
cooling
thermal analysis
predictions
vanadium
molybdenum
chromium
chemical composition
computerized simulation
computer programs
microstructure
curves
simulation

Keywords

  • gray iron
  • cast iron
  • chemical composition
  • thermal analysis
  • solidification
  • mechanical properties

Cite this

Yang, Y., Louvo, A., & Rantala, T. (1989). The effects of alloying and thermal factors on the solidification and mechanical properties of gray iron. Espoo: VTT Technical Research Centre of Finland. Valtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports, No. 611
Yang, Yunfeng ; Louvo, Arno ; Rantala, Tapio. / The effects of alloying and thermal factors on the solidification and mechanical properties of gray iron. Espoo : VTT Technical Research Centre of Finland, 1989. 34 p. (Valtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports; No. 611).
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Yang, Y, Louvo, A & Rantala, T 1989, The effects of alloying and thermal factors on the solidification and mechanical properties of gray iron. Valtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports, no. 611, VTT Technical Research Centre of Finland, Espoo.

The effects of alloying and thermal factors on the solidification and mechanical properties of gray iron. / Yang, Yunfeng; Louvo, Arno; Rantala, Tapio.

Espoo : VTT Technical Research Centre of Finland, 1989. 34 p. (Valtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports; No. 611).

Research output: Book/ReportReport

TY - BOOK

T1 - The effects of alloying and thermal factors on the solidification and mechanical properties of gray iron

AU - Yang, Yunfeng

AU - Louvo, Arno

AU - Rantala, Tapio

PY - 1989

Y1 - 1989

N2 - A derivative thermal analysis system and several computer programs are established and employed in the present quantitative studies of the combined effects of thermal factors and alloying on the solidification processes and properties of low alloy grey iron. Among the thermal factors demonstrated by the thermal analysis curves the cooling rate at 900 °C has been shown to provide the best prediction of the final properties and microstructures under fixed composition. This makes it possible to use solidification simulation in property prediction. Some alloying effects of molybdenum, chromium and vanadium etc. are revealed, also taking the cooling rate into consideration. The combined effects of both the alloying and the cooling rate and some other metallurgical relations are approximated in several mathematical expressions which should be useful for the computer simulation of casting properties as well as for chemical composition design.

AB - A derivative thermal analysis system and several computer programs are established and employed in the present quantitative studies of the combined effects of thermal factors and alloying on the solidification processes and properties of low alloy grey iron. Among the thermal factors demonstrated by the thermal analysis curves the cooling rate at 900 °C has been shown to provide the best prediction of the final properties and microstructures under fixed composition. This makes it possible to use solidification simulation in property prediction. Some alloying effects of molybdenum, chromium and vanadium etc. are revealed, also taking the cooling rate into consideration. The combined effects of both the alloying and the cooling rate and some other metallurgical relations are approximated in several mathematical expressions which should be useful for the computer simulation of casting properties as well as for chemical composition design.

KW - gray iron

KW - cast iron

KW - chemical composition

KW - thermal analysis

KW - solidification

KW - mechanical properties

M3 - Report

SN - 951-38-3428-X

T3 - Valtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports

BT - The effects of alloying and thermal factors on the solidification and mechanical properties of gray iron

PB - VTT Technical Research Centre of Finland

CY - Espoo

ER -

Yang Y, Louvo A, Rantala T. The effects of alloying and thermal factors on the solidification and mechanical properties of gray iron. Espoo: VTT Technical Research Centre of Finland, 1989. 34 p. (Valtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports; No. 611).