Technology:
A
research team led by Hidetoshi Fujii of Osaka University developed a technology
to halve the production cost of high intensity automotive steel sheets. The
research team successfully made rare metals unnecessary by improving the crystal
architecture inside a metal. The existing high-intensity enduring steel sheet mostly
contains about 10% nickel.
The
new technology utilizes the phenomenon that atoms inside a metal move and change
their configuration to harden the metal should pressure be applied on it externally.
The research team made a 2-centimeter-square steel sheet on trial and tested
its tension strength for 10 minutes. The test showed that the trial steel sheet
extended more and stronger than the high tension steel sheet. The new
technology is expected to open up the road to the application of high intensity steel sheets to housing. The research team plans to put the new
technology into practical application in five years.
Applications of automotive steel sheets
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