Effect of differential tin coatings on resistance seam weldability of low tin-coated steel for beverage cans

Nobuyoshi Shimizu, Nobuyuki Nishimoto, Shun Ichi Morita, Jun Fukai, Shunichiro Baba, Osamu Miyatake

Research output: Contribution to journalArticle

Abstract

Under the intense competition among many packages, the welded can such as beverage can, food can and aerosol can occupies a dominant position owing to the rational manufucturing process of resistance seam welding. However, the seam welding process itself is further needed to increase the welding speed to improve the productivity without increasing the steel thickness and also the coating weight. To overcome this subject, the authors investigated the effect of main parameters on weldability and established two-dimensional model for calculation in the former reports. As a result, it was exemplified the importance of the current path length during welding at the interfaces. The above result reminds us that the actual welding machine has a pair of different size electrode, therefore the current path length is considered to be different. The differencially coated tinplate sheet was prepared to change the current path length at the interfaces. Incidentally, tin free steel was prepared to change the current path lengths at the interfaces by pre-pressing of welding part. The same model was applied to compare the culculation results of the differentially coated tinplate with that of equally coated one. Finally, the calculation proved the results that the heat balance between two interfaces is very important and the weldability can be improved by the balance of current path lengths by decreasing the tin coating weight of upper side.

Original languageEnglish
Pages (from-to)519-525
Number of pages7
JournalTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
Volume86
Issue number8
DOIs
Publication statusPublished - Jan 1 2000

Fingerprint

weldability
beverages
Beverages
Weldability
Tin
Steel
welding
Seam welding
tin
Welding
steels
coatings
Coatings
Welding machines
Resistance welding
Aerosols
welding machines
heat balance
Productivity
pressing

All Science Journal Classification (ASJC) codes

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

Cite this

Effect of differential tin coatings on resistance seam weldability of low tin-coated steel for beverage cans. / Shimizu, Nobuyoshi; Nishimoto, Nobuyuki; Morita, Shun Ichi; Fukai, Jun; Baba, Shunichiro; Miyatake, Osamu.

In: Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan, Vol. 86, No. 8, 01.01.2000, p. 519-525.

Research output: Contribution to journalArticle

Shimizu, Nobuyoshi ; Nishimoto, Nobuyuki ; Morita, Shun Ichi ; Fukai, Jun ; Baba, Shunichiro ; Miyatake, Osamu. / Effect of differential tin coatings on resistance seam weldability of low tin-coated steel for beverage cans. In: Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 2000 ; Vol. 86, No. 8. pp. 519-525.
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