SURFACE COATED FORMING DIE AND PRODUCTION THEREOF

Title:

SURFACE COATED FORMING DIE AND PRODUCTION THEREOF

Document Type and Number:

Japanese Patent JP2000271699

Kind Code:

A

Abstract:

To provide a surface coated forming die and the producing method thereof in which the heat crack resistance and the oxidizing resistance can simultaneously be improved.

On the surface of a base material composed of the kind of steel, JIS SKH, SKD or the corresponding material to these, (Al1-x Crx) N film is formed (wherein, x is atomic ratio, 1.0>x ≥0.02). To the base material, it is desirable to apply a nitriding treatment. The surface coated forming die provided with both of heat crack resistance and oxidizing resistance, is obtd. with the synergistic effect of the coating and the nitriding treatment.

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Inventors:

OHARA HISANORI
OKUBO SOICHIRO
SETOYAMA MAKOTO
ISHII TAKAYA

Application Number:

JP7866799A

Publication Date:

October 03, 2000

Filing Date:

March 23, 1999

Export Citation:

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Assignee:

SUMITOMO ELECTRIC INDUSTRIES
NIPPON ITF KK

International Classes:

B21J13/02; B22C3/00; B22C9/06; C23C14/06; C23C14/32; C23C14/58; C23C28/00; (IPC1-7): B22C3/00; B21J13/02; B22C9/06; C23C14/06; C23C14/32; C23C14/58; C23C28/00

Attorney, Agent or Firm:

Hiroshi Yamano (1 person outside)

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