JPS5488821A - Coated sintered hard alloy member - Google Patents

Coated sintered hard alloy member

Info

Publication number
JPS5488821A
JPS5488821A JP15826777A JP15826777A JPS5488821A JP S5488821 A JPS5488821 A JP S5488821A JP 15826777 A JP15826777 A JP 15826777A JP 15826777 A JP15826777 A JP 15826777A JP S5488821 A JPS5488821 A JP S5488821A
Authority
JP
Japan
Prior art keywords
type solid
metallic elements
solid soln
hard alloy
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
JP15826777A
Other languages
Japanese (ja)
Inventor
Minoru Nakano
Masaaki Tobioka
Takeshi Asai
Masaya Miyake
Koji Yamamoto
Akio Hara
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP15826777A priority Critical patent/JPS5488821A/en
Publication of JPS5488821A publication Critical patent/JPS5488821A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To provide the title member with superior toughness and wear resistance which takes the place of WC by coating a B-1 type hard phase on a sintered hard alloy consisting of Mo or Mo and W-based hexagonal monocarbide, iron group metal-based binder metal and a specific amt. of free carbon.
CONSTITUTION: A sintered hard alloy is formed consisting of hexagonal monocarbide based on MoC1-x or (Mo,W)C1-x (0≤x≤1), iron group metal-based binder metal, 0.01W0.50 wt% of free carbon and zero or more of a B-1 type solid soln. The alloy is then coated with a B-1 type solid soln. contg. Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and W as metallic elements, and C, N and O as non-metallic elements. Esp. a B-1 type solid soln. contg. more than 50% of Ti out of the metallic elements and more than 50% of C out of the non-metallic elements shows desirable characteristics. It is effective to further coat the resulting B-1 type solid soln. film with a B-1 type solid soln. such as Al2O3 or ZrO2.
COPYRIGHT: (C)1979,JPO&Japio
JP15826777A 1977-12-26 1977-12-26 Coated sintered hard alloy member Pending JPS5488821A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15826777A JPS5488821A (en) 1977-12-26 1977-12-26 Coated sintered hard alloy member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15826777A JPS5488821A (en) 1977-12-26 1977-12-26 Coated sintered hard alloy member

Publications (1)

Publication Number Publication Date
JPS5488821A true JPS5488821A (en) 1979-07-14

Family

ID=15667870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15826777A Pending JPS5488821A (en) 1977-12-26 1977-12-26 Coated sintered hard alloy member

Country Status (1)

Country Link
JP (1) JPS5488821A (en)

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