JPS57210970A - Surface coated sintered hard alloy member - Google Patents

Surface coated sintered hard alloy member

Info

Publication number
JPS57210970A
JPS57210970A JP9616481A JP9616481A JPS57210970A JP S57210970 A JPS57210970 A JP S57210970A JP 9616481 A JP9616481 A JP 9616481A JP 9616481 A JP9616481 A JP 9616481A JP S57210970 A JPS57210970 A JP S57210970A
Authority
JP
Japan
Prior art keywords
titanium
alloy member
hard alloy
layer
sintered hard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP9616481A
Other languages
Japanese (ja)
Inventor
Taijiro Sugisawa
Akio Nishiyama
Shunichi Murai
Noribumi Kikuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Metal Corp
Original Assignee
Mitsubishi Metal Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Metal Corp filed Critical Mitsubishi Metal Corp
Priority to JP9616481A priority Critical patent/JPS57210970A/en
Publication of JPS57210970A publication Critical patent/JPS57210970A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates

Abstract

PURPOSE:To obtain a coated layer having superior wear resistance, adhesive strength and a long service life by coating the surface of a sintered hard alloy member with Al2O3 contg. oxycarbo-titanium and/or oxycarbonitro-titanium. CONSTITUTION:A homogeneous coated layer having a composition consisting of 20-80vol% oxycarbo-titanium (TiCO) and/or oxycarbonitro-titanium (TiNCO) and the balance Al2O3 with inevitable impurities is formed by a chemical vapor deposition method on the surface of a sintered hard alloy member composed of a hard phase made chiefly of >=1 kind of compound selected from carbides and nitrides of IVa, Va and VIa group metals in the periodic table and a binding phase made chiefly of >=1 kind of iron group metal. Said TiCO and TiNCO satisfy a compositional formula Ti(C1-x-yNxOy)z (where 0<=x<=0.75, 0.05<=y<=0.5, (w+y)<=0.8 and 0.8<=z<=1.0). The structure of the layer is a fine homogeneous structure having <=1mum average grain size, and the thickness is 1-10mum. These layer is obtained by chemical deposition.
JP9616481A 1981-06-22 1981-06-22 Surface coated sintered hard alloy member Pending JPS57210970A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9616481A JPS57210970A (en) 1981-06-22 1981-06-22 Surface coated sintered hard alloy member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9616481A JPS57210970A (en) 1981-06-22 1981-06-22 Surface coated sintered hard alloy member

Publications (1)

Publication Number Publication Date
JPS57210970A true JPS57210970A (en) 1982-12-24

Family

ID=14157693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9616481A Pending JPS57210970A (en) 1981-06-22 1981-06-22 Surface coated sintered hard alloy member

Country Status (1)

Country Link
JP (1) JPS57210970A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61166974A (en) * 1985-01-17 1986-07-28 Hitachi Choko Kk Coated sintered hard alloy
JPS6299467A (en) * 1985-10-25 1987-05-08 Hitachi Carbide Tools Ltd Surface-coated sintered hard alloy

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61166974A (en) * 1985-01-17 1986-07-28 Hitachi Choko Kk Coated sintered hard alloy
JPH0555598B2 (en) * 1985-01-17 1993-08-17 Hitachi Tool
JPS6299467A (en) * 1985-10-25 1987-05-08 Hitachi Carbide Tools Ltd Surface-coated sintered hard alloy

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