Title:
HARD AU ALLOY TIP MATERIAL JOINED TO SUBSTRATE MEMBER AND USED
Document Type and Number:
Japanese Patent JPS6052540
Kind Code:
A
Abstract:
PURPOSE: To obtain the titled hard Au alloy tip material with superior wear resistance by adding a specified amount of Cr to Au and forming a hardened layer on the surface by boriding.
CONSTITUTION: An Au alloy tip material having a composition consisting of 0.5W15wt% Cr and the balance Au with inevitable impurities is borided to form a hardened layer on the surface. To the composition may be added 3W35wt% Ag and/or Cu, and/or 1W10wt% one or two among Ni, Fe, Co and Pd. A tip material with superior wear resistance, corrosion resistance and electric conductivity is obtd. The tip material is joined to the wire of a dot printer or the like.
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Inventors:
MORIKAWA MASAKI
YOSHIDA HIDEAKI
HIJI TOSHIHARU
MATSUDA FUKUHISA
NAKADA KAZUHIRO
YOSHIDA HIDEAKI
HIJI TOSHIHARU
MATSUDA FUKUHISA
NAKADA KAZUHIRO
Application Number:
JP16114783A
Publication Date:
March 25, 1985
Filing Date:
September 01, 1983
Export Citation:
Assignee:
MITSUBISHI METAL CORP
International Classes:
C22C5/02; B41J2/25; B43K1/00; C23C8/68; H01R39/20; (IPC1-7): C22C5/02
Domestic Patent References:
| JPS5923835A | 1984-02-07 |
Attorney, Agent or Firm:
Kazuo Tomita
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