Relation between equivalent contact resistance and resistance seam weldability for beverage cans

Nobuyoshi Shimizu, Takahiro Hayashida, Nobuyuki Nishimoto, Jun Fukai, Osamu Miyatake

Research output: Contribution to journalArticle

Abstract

Welded cans for beverages amount to over 1 million cans/year and take an important role in the field of steel package industry. Under the intense competition among other materials, can cost reduction and high productivity, which usually lead to the worse weldability, must be overcome steadily. Until recently, several authors reported that the static electric contant resistance between welded materials strongly influenced weldability. However, the static contact resistance could not be the index of the dynamic high speed welding. The weldability using high speed seam welder was hardly experimented and discussed quantitatively because the dynamic electric resistance could not be divided into the contact resistance and the bulk resistance. In this report, the effects of the main parameters on weldability, namely tin coating weight, steel thickness and welding speed, were investigated in connection with the equivalent contact resistance by subtracting the calculated bulk resistance from the measured total resistance during high speed welding. It made clear that the contact length between material and electrode correlates with the available welding current range. The weldability deteriorated with the decrease of tin coating weight and the decrease of steel thickness because of the increased contact resistance and with the increase of welding speed because of the increased discontinuity of HAZ pattern.

Original languageEnglish
Pages (from-to)7-12
Number of pages6
JournalTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
Volume84
Issue number4
Publication statusPublished - Dec 1 1998

Fingerprint

weldability
beverages
Beverages
Weldability
Contact resistance
contact resistance
welding
Welding
Steel
Tin
high speed
steels
tin
coatings
Coatings
cost reduction
heat affected zone
Heat affected zone
Cost reduction
productivity

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Metals and Alloys
  • Materials Chemistry

Cite this

Relation between equivalent contact resistance and resistance seam weldability for beverage cans. / Shimizu, Nobuyoshi; Hayashida, Takahiro; Nishimoto, Nobuyuki; Fukai, Jun; Miyatake, Osamu.

In: Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan, Vol. 84, No. 4, 01.12.1998, p. 7-12.

Research output: Contribution to journalArticle

Shimizu, Nobuyoshi ; Hayashida, Takahiro ; Nishimoto, Nobuyuki ; Fukai, Jun ; Miyatake, Osamu. / Relation between equivalent contact resistance and resistance seam weldability for beverage cans. In: Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 1998 ; Vol. 84, No. 4. pp. 7-12.
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