Short-run tools of Zn-Al alloys for forming high-strength steel sheet

Arto Ranta-Eskola, Heikki Kleemola

Research output: Book/ReportReport

Abstract

The investigation is a part of a Scandinavian research project "Nord-plade", in which the formability of high-strength low-alloy (HSLA) --steels and high-strength aluminium alloys is studied. The press behav-iour of these materials is in many ways inferior to mild steel. Conse-quently, there is a great need for test runs where reusable prototype or short production run tools are needed. However; the high strength of the sheet material limits the choice of possible prototype tool materials. In the present work the mechanical and tribological properties of zinc-aluminium casting alloys containing 4 - 16 % Al were investi-gated. Laboratory and production tools were manufactured from the alloys showing preferable properties in the preliminary study. Their castability and durability in practical deep drawing were tested. The strength and ductility of the alloys generally improved with in-creasing aluminium content. On the other hand their castability and tribological properties deteriorated when higher amounts of aluminium were used. The alloys containing 8 or 12 % Al were found to meet the practical requirements for successful forming of high strength steel sheets up to 400 MPa yield strength.
Original languageEnglish
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Number of pages32
ISBN (Print)951-38-2740-2
Publication statusPublished - 1986
MoE publication typeD4 Published development or research report or study

Publication series

SeriesValtion teknillinen tutkimuskeskus. Tiedotteita
Number640
ISSN0358-5085

Fingerprint

Steel sheet
High strength steel
Aluminum castings
Aluminum
High strength alloys
Deep drawing
Formability
Carbon steel
Yield stress
Ductility
Aluminum alloys
Durability
Zinc

Keywords

  • metal sheet
  • high strength steels
  • tools
  • zinc alloys
  • metal working

Cite this

Ranta-Eskola, A., & Kleemola, H. (1986). Short-run tools of Zn-Al alloys for forming high-strength steel sheet. Espoo: VTT Technical Research Centre of Finland. Valtion teknillinen tutkimuskeskus. Tiedotteita, No. 640
Ranta-Eskola, Arto ; Kleemola, Heikki. / Short-run tools of Zn-Al alloys for forming high-strength steel sheet. Espoo : VTT Technical Research Centre of Finland, 1986. 32 p. (Valtion teknillinen tutkimuskeskus. Tiedotteita; No. 640).
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Ranta-Eskola, A & Kleemola, H 1986, Short-run tools of Zn-Al alloys for forming high-strength steel sheet. Valtion teknillinen tutkimuskeskus. Tiedotteita, no. 640, VTT Technical Research Centre of Finland, Espoo.

Short-run tools of Zn-Al alloys for forming high-strength steel sheet. / Ranta-Eskola, Arto; Kleemola, Heikki.

Espoo : VTT Technical Research Centre of Finland, 1986. 32 p. (Valtion teknillinen tutkimuskeskus. Tiedotteita; No. 640).

Research output: Book/ReportReport

TY - BOOK

T1 - Short-run tools of Zn-Al alloys for forming high-strength steel sheet

AU - Ranta-Eskola, Arto

AU - Kleemola, Heikki

PY - 1986

Y1 - 1986

N2 - The investigation is a part of a Scandinavian research project "Nord-plade", in which the formability of high-strength low-alloy (HSLA) --steels and high-strength aluminium alloys is studied. The press behav-iour of these materials is in many ways inferior to mild steel. Conse-quently, there is a great need for test runs where reusable prototype or short production run tools are needed. However; the high strength of the sheet material limits the choice of possible prototype tool materials. In the present work the mechanical and tribological properties of zinc-aluminium casting alloys containing 4 - 16 % Al were investi-gated. Laboratory and production tools were manufactured from the alloys showing preferable properties in the preliminary study. Their castability and durability in practical deep drawing were tested. The strength and ductility of the alloys generally improved with in-creasing aluminium content. On the other hand their castability and tribological properties deteriorated when higher amounts of aluminium were used. The alloys containing 8 or 12 % Al were found to meet the practical requirements for successful forming of high strength steel sheets up to 400 MPa yield strength.

AB - The investigation is a part of a Scandinavian research project "Nord-plade", in which the formability of high-strength low-alloy (HSLA) --steels and high-strength aluminium alloys is studied. The press behav-iour of these materials is in many ways inferior to mild steel. Conse-quently, there is a great need for test runs where reusable prototype or short production run tools are needed. However; the high strength of the sheet material limits the choice of possible prototype tool materials. In the present work the mechanical and tribological properties of zinc-aluminium casting alloys containing 4 - 16 % Al were investi-gated. Laboratory and production tools were manufactured from the alloys showing preferable properties in the preliminary study. Their castability and durability in practical deep drawing were tested. The strength and ductility of the alloys generally improved with in-creasing aluminium content. On the other hand their castability and tribological properties deteriorated when higher amounts of aluminium were used. The alloys containing 8 or 12 % Al were found to meet the practical requirements for successful forming of high strength steel sheets up to 400 MPa yield strength.

KW - metal sheet

KW - high strength steels

KW - tools

KW - zinc alloys

KW - metal working

M3 - Report

SN - 951-38-2740-2

T3 - Valtion teknillinen tutkimuskeskus. Tiedotteita

BT - Short-run tools of Zn-Al alloys for forming high-strength steel sheet

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ER -

Ranta-Eskola A, Kleemola H. Short-run tools of Zn-Al alloys for forming high-strength steel sheet. Espoo: VTT Technical Research Centre of Finland, 1986. 32 p. (Valtion teknillinen tutkimuskeskus. Tiedotteita; No. 640).