Dry progressive stamping of copper-alloy snaps by the plasma nitrided punches

Tatsuhiko Aizawa, Hiroshi Morita

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The dry progressive stamping was strongly required to make mass production of clothing parts and beverage cans. The duplex coating was one of the most reliable means to protect the dies and punches from wear and friction and to prolong their life time. In this coating, the die and punch was first surface-treated to have sufficient hardness in compatible to the hard ceramic coatings. In the present study, the low temperature plasma nitriding at 673 K was employed to harden the six kinds of punches and dies for progressive stamping of copper alloyed fucks. The micro-structure and nitrogen mapping were investigated by SEM with EDS to demonstrate that the hardening took place by nitrogen super saturation into SKD11 matrix without nitride precipitations. These nitrogen super-saturated punches and dies were fix into the progressive die set for dry stamping. No significant wear of tools as well as reduction of stamping loads even after a million shots proved that the low temperature plasma nitriding should be suitable to make hardening of dry stamping die substrates even without use of hard ceramic coatings.

Original languageEnglish
Title of host publicationTechnology of Plasticity
PublisherTrans Tech Publications Ltd
Pages28-33
Number of pages6
ISBN (Print)9783035713039
DOIs
Publication statusPublished - 2018 Jan 1
Event1st Asia Pacific Symposium on Technology of Plasticity, APSTP 2017 - Taichung, Taiwan, Province of China
Duration: 2017 Nov 222017 Nov 25

Publication series

NameMaterials Science Forum
Volume920 MSF
ISSN (Print)0255-5476

Other

Other1st Asia Pacific Symposium on Technology of Plasticity, APSTP 2017
CountryTaiwan, Province of China
CityTaichung
Period17/11/2217/11/25

Fingerprint

stamping
punches
copper alloys
Stamping
Copper alloys
Plasmas
Hard coatings
ceramic coatings
Nitrogen
Ceramic coatings
nitriding
Nitriding
cold plasmas
nitrogen
hardening
Hardening
Wear of materials
beverages
clothing
coatings

Keywords

  • American snaps
  • Copper-alloy sheet
  • Dry progressive stamping
  • Hardness control
  • Homogeneous nitriding
  • Plasma nitriding

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Aizawa, T., & Morita, H. (2018). Dry progressive stamping of copper-alloy snaps by the plasma nitrided punches. In Technology of Plasticity (pp. 28-33). (Materials Science Forum; Vol. 920 MSF). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/MSF.920.28

Dry progressive stamping of copper-alloy snaps by the plasma nitrided punches. / Aizawa, Tatsuhiko; Morita, Hiroshi.

Technology of Plasticity. Trans Tech Publications Ltd, 2018. p. 28-33 (Materials Science Forum; Vol. 920 MSF).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aizawa, T & Morita, H 2018, Dry progressive stamping of copper-alloy snaps by the plasma nitrided punches. in Technology of Plasticity. Materials Science Forum, vol. 920 MSF, Trans Tech Publications Ltd, pp. 28-33, 1st Asia Pacific Symposium on Technology of Plasticity, APSTP 2017, Taichung, Taiwan, Province of China, 17/11/22. https://doi.org/10.4028/www.scientific.net/MSF.920.28
Aizawa T, Morita H. Dry progressive stamping of copper-alloy snaps by the plasma nitrided punches. In Technology of Plasticity. Trans Tech Publications Ltd. 2018. p. 28-33. (Materials Science Forum). https://doi.org/10.4028/www.scientific.net/MSF.920.28
Aizawa, Tatsuhiko ; Morita, Hiroshi. / Dry progressive stamping of copper-alloy snaps by the plasma nitrided punches. Technology of Plasticity. Trans Tech Publications Ltd, 2018. pp. 28-33 (Materials Science Forum).
@inproceedings{dab00f7537b6417aab65e2145c45a8dc,
title = "Dry progressive stamping of copper-alloy snaps by the plasma nitrided punches",
abstract = "The dry progressive stamping was strongly required to make mass production of clothing parts and beverage cans. The duplex coating was one of the most reliable means to protect the dies and punches from wear and friction and to prolong their life time. In this coating, the die and punch was first surface-treated to have sufficient hardness in compatible to the hard ceramic coatings. In the present study, the low temperature plasma nitriding at 673 K was employed to harden the six kinds of punches and dies for progressive stamping of copper alloyed fucks. The micro-structure and nitrogen mapping were investigated by SEM with EDS to demonstrate that the hardening took place by nitrogen super saturation into SKD11 matrix without nitride precipitations. These nitrogen super-saturated punches and dies were fix into the progressive die set for dry stamping. No significant wear of tools as well as reduction of stamping loads even after a million shots proved that the low temperature plasma nitriding should be suitable to make hardening of dry stamping die substrates even without use of hard ceramic coatings.",
keywords = "American snaps, Copper-alloy sheet, Dry progressive stamping, Hardness control, Homogeneous nitriding, Plasma nitriding",
author = "Tatsuhiko Aizawa and Hiroshi Morita",
year = "2018",
month = "1",
day = "1",
doi = "10.4028/www.scientific.net/MSF.920.28",
language = "English",
isbn = "9783035713039",
series = "Materials Science Forum",
publisher = "Trans Tech Publications Ltd",
pages = "28--33",
booktitle = "Technology of Plasticity",

}

TY - GEN

T1 - Dry progressive stamping of copper-alloy snaps by the plasma nitrided punches

AU - Aizawa, Tatsuhiko

AU - Morita, Hiroshi

PY - 2018/1/1

Y1 - 2018/1/1

N2 - The dry progressive stamping was strongly required to make mass production of clothing parts and beverage cans. The duplex coating was one of the most reliable means to protect the dies and punches from wear and friction and to prolong their life time. In this coating, the die and punch was first surface-treated to have sufficient hardness in compatible to the hard ceramic coatings. In the present study, the low temperature plasma nitriding at 673 K was employed to harden the six kinds of punches and dies for progressive stamping of copper alloyed fucks. The micro-structure and nitrogen mapping were investigated by SEM with EDS to demonstrate that the hardening took place by nitrogen super saturation into SKD11 matrix without nitride precipitations. These nitrogen super-saturated punches and dies were fix into the progressive die set for dry stamping. No significant wear of tools as well as reduction of stamping loads even after a million shots proved that the low temperature plasma nitriding should be suitable to make hardening of dry stamping die substrates even without use of hard ceramic coatings.

AB - The dry progressive stamping was strongly required to make mass production of clothing parts and beverage cans. The duplex coating was one of the most reliable means to protect the dies and punches from wear and friction and to prolong their life time. In this coating, the die and punch was first surface-treated to have sufficient hardness in compatible to the hard ceramic coatings. In the present study, the low temperature plasma nitriding at 673 K was employed to harden the six kinds of punches and dies for progressive stamping of copper alloyed fucks. The micro-structure and nitrogen mapping were investigated by SEM with EDS to demonstrate that the hardening took place by nitrogen super saturation into SKD11 matrix without nitride precipitations. These nitrogen super-saturated punches and dies were fix into the progressive die set for dry stamping. No significant wear of tools as well as reduction of stamping loads even after a million shots proved that the low temperature plasma nitriding should be suitable to make hardening of dry stamping die substrates even without use of hard ceramic coatings.

KW - American snaps

KW - Copper-alloy sheet

KW - Dry progressive stamping

KW - Hardness control

KW - Homogeneous nitriding

KW - Plasma nitriding

UR - http://www.scopus.com/inward/record.url?scp=85046345126&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85046345126&partnerID=8YFLogxK

U2 - 10.4028/www.scientific.net/MSF.920.28

DO - 10.4028/www.scientific.net/MSF.920.28

M3 - Conference contribution

AN - SCOPUS:85046345126

SN - 9783035713039

T3 - Materials Science Forum

SP - 28

EP - 33

BT - Technology of Plasticity

PB - Trans Tech Publications Ltd

ER -