Secondary yielding of forged components due to unloading

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Secondary yielding of the workpiece material is a new phenomenon recently recognised, which can occur in some bulk metal forming operations. It is caused by contracting dies as a result of unloading. Since secondary yielding involves dimensional changes of the workpiece, it becomes one of the factors which should be taken into account when attempting net-shape forming.This paper contains a comprehensive study of secondary yielding. A simplified theoretical model will serve as a means of explaining the notion of secondary yielding. It will also be used to predict dimensional changes of the workpiece. Experimental verification of these results will be presented. Observed discrepancies will be rectified by an improved analysis using the finite element technique and thoroughly discussed.
LanguageEnglish
Pages233-239
Number of pages6
JournalJournal of Materials Processing Technology
Volume115
Issue number2
DOIs
Publication statusPublished - 2001

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Metal forming
Unloading
Metal Forming
Theoretical Model
Discrepancy
Die
Finite Element
Predict

Keywords

  • secondary yielding
  • design engineering
  • processing technology

Cite this

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title = "Secondary yielding of forged components due to unloading",
abstract = "Secondary yielding of the workpiece material is a new phenomenon recently recognised, which can occur in some bulk metal forming operations. It is caused by contracting dies as a result of unloading. Since secondary yielding involves dimensional changes of the workpiece, it becomes one of the factors which should be taken into account when attempting net-shape forming.This paper contains a comprehensive study of secondary yielding. A simplified theoretical model will serve as a means of explaining the notion of secondary yielding. It will also be used to predict dimensional changes of the workpiece. Experimental verification of these results will be presented. Observed discrepancies will be rectified by an improved analysis using the finite element technique and thoroughly discussed.",
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author = "A. Rosochowski and R. Balendra",
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Secondary yielding of forged components due to unloading. / Rosochowski, A.; Balendra, R.

In: Journal of Materials Processing Technology, Vol. 115, No. 2, 2001, p. 233-239.

Research output: Contribution to journalArticle

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AU - Rosochowski, A.

AU - Balendra, R.

PY - 2001

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N2 - Secondary yielding of the workpiece material is a new phenomenon recently recognised, which can occur in some bulk metal forming operations. It is caused by contracting dies as a result of unloading. Since secondary yielding involves dimensional changes of the workpiece, it becomes one of the factors which should be taken into account when attempting net-shape forming.This paper contains a comprehensive study of secondary yielding. A simplified theoretical model will serve as a means of explaining the notion of secondary yielding. It will also be used to predict dimensional changes of the workpiece. Experimental verification of these results will be presented. Observed discrepancies will be rectified by an improved analysis using the finite element technique and thoroughly discussed.

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KW - design engineering

KW - processing technology

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EP - 239

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