KR930008176A - Cemented Carbide Minimized Metal - Google Patents

Cemented Carbide Minimized Metal Download PDF

Info

Publication number
KR930008176A
KR930008176A KR1019910017979A KR910017979A KR930008176A KR 930008176 A KR930008176 A KR 930008176A KR 1019910017979 A KR1019910017979 A KR 1019910017979A KR 910017979 A KR910017979 A KR 910017979A KR 930008176 A KR930008176 A KR 930008176A
Authority
KR
South Korea
Prior art keywords
carbide
metal
less
sintering
powder
Prior art date
Application number
KR1019910017979A
Other languages
Korean (ko)
Other versions
KR940006288B1 (en
Inventor
홍준표
Original Assignee
홍준표
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 홍준표 filed Critical 홍준표
Priority to KR1019910017979A priority Critical patent/KR940006288B1/en
Publication of KR930008176A publication Critical patent/KR930008176A/en
Application granted granted Critical
Publication of KR940006288B1 publication Critical patent/KR940006288B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/04—Alloys based on tungsten or molybdenum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)

Abstract

본 발명은 결합금속을 최소화시킨 합금소재를 고온 단열가압(Hot Isotatic Pressing) 이나, 전방향 압축(Rapid Omnidirectional Compaction) 소결이 아닌 진공 소결 또는 수소로 소결 방법으로 소결하여서 된 초경 합금에 관한 것으로서, 코발트, 철, 니켈, 몰리브덴, 크롬금속 분말중의 어떤금속 분말이 1종 또는 2종 이상 혼합된것 2wt% 이하와 텅스텐 카바이드, 탄탈륨 카바이드, 몰리브덴 카바이드, 크톰 카바이드 등의 금속 카바이드 중에서 한가지 금속 카바이드가 98wt%를 넘지 않으며, 한가지 이상의 금속 카바이드가 98wt% 이상으로 된 합금 소재를 진공 소결 또는 상압수소로 소설 하여서 된 초경 합금에 관한 것이다.The present invention relates to a cemented carbide alloy obtained by sintering an alloy material in which a bonding metal is minimized by hot sintering pressing or rapid omnidirectional compaction sintering by vacuum sintering or hydrogen sintering. 1 wt% or less than 2 wt% of any metal powder of iron, nickel, molybdenum and chromium metal powders and 98 wt% of one metal carbide among tungsten carbide, tantalum carbide, molybdenum carbide, thorium carbide Carbide alloys are made by alloying a alloy material of not less than% and at least 98% by weight of metal carbide with vacuum sintering or atmospheric hydrogen.

Description

결합금속을 최소화한 초경 합금Cemented Carbide Minimized Metal

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (7)

금속분말 2wt% 이하와 한가지의 금속 카바이드가 98wt%를 넘지 않으며, 한가지 이상의 금속 카바이드가 98wt% 이상으로 된 합금 소재를 진공 소결 또는 상압수소로 소결하여서 된 초경 합금.A cemented carbide alloy obtained by vacuum sintering or atmospheric hydrogen sintering of an alloy material containing 2 wt% or less of metal powder and not more than 98 wt% of one metal carbide and 98 wt% or more of metal carbide. 제1항에 있어서, 금속분말이 코발트, 철, 니켈, 몰리브덴, 크롬 이거나, 그중 2종 이상을 혼합하여서 된것.The metal powder according to claim 1, wherein the metal powder is cobalt, iron, nickel, molybdenum, chromium, or a mixture of two or more thereof. 제2항에 있어서, 금속 분말이 그들의 합금 분말로 된 것.The metal powder according to claim 2, wherein the metal powder is made of their alloy powder. 제1항에 있어서, 금속 카바이드가 텅스텐 카바이드 또는 탄탈록 카바이드 또는 티타늄 카바이드 또는 몰리브덴 카바이드 또는 크롬 카바이드가 포함된 금속 카바이드인 것.The metal carbide according to claim 1, wherein the metal carbide is tungsten carbide or tantalum carbide or titanium carbide or molybdenum carbide or chromium carbide. 제1항에 있어서, 0.5wt% 이하의 코발트 분말과 80wt% 이상의 텅스텐 카바이드와 20wt% 이하의 몰리브덴 카바이드로 된 것.2. The method of claim 1, wherein the cobalt powder is 0.5 wt% or less, tungsten carbide at least 80 wt%, and molybdenum carbide at most 20 wt%. 제1항에 있어서, 60wt% 이상의 텅스텐 카바이드, 5wt% 이하의 탄탈륨 카바이드, 4wt% 이하의 티타늄 카바이드, 4wt% 이하의 크롬 카바이드와 0.5wt% 이하의 코발트 분말로 된 것.The method of claim 1, wherein the composition comprises 60 wt% or more of tungsten carbide, 5 wt% or less of tantalum carbide, 4 wt% or less of titanium carbide, 4 wt% or less of chromium carbide and 0.5 wt% or less of cobalt powder. 제1항에 있어서, 6Owt% 이상의 텅스텐 카바이드, 5wt% 이하의 탄탈륨 카바이드, 5wt% 이하의 티타늄 카바이드, 5wt% 이하의 크롬 카바이드의 0.55wt% 이하의 코발트 분말로 된 것.The method of claim 1, wherein the cobalt powder is 0.55 wt% or less of 60 wt% or more tungsten carbide, 5 wt% or less tantalum carbide, 5 wt% or less titanium carbide, and 5 wt% or less chromium carbide. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910017979A 1991-10-12 1991-10-12 Cemented tungsten carbide alloy KR940006288B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910017979A KR940006288B1 (en) 1991-10-12 1991-10-12 Cemented tungsten carbide alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910017979A KR940006288B1 (en) 1991-10-12 1991-10-12 Cemented tungsten carbide alloy

Publications (2)

Publication Number Publication Date
KR930008176A true KR930008176A (en) 1993-05-21
KR940006288B1 KR940006288B1 (en) 1994-07-14

Family

ID=19321174

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910017979A KR940006288B1 (en) 1991-10-12 1991-10-12 Cemented tungsten carbide alloy

Country Status (1)

Country Link
KR (1) KR940006288B1 (en)

Also Published As

Publication number Publication date
KR940006288B1 (en) 1994-07-14

Similar Documents

Publication Publication Date Title
US4784690A (en) Low density tungsten alloy article and method for producing same
US4940404A (en) Method of making a high velocity armor penetrator
US3741733A (en) Sintered hard alloy and method of making
DE3069055D1 (en) Sintered carbide
US4919718A (en) Ductile Ni3 Al alloys as bonding agents for ceramic materials
SE7408050L (en)
US5015290A (en) Ductile Ni3 Al alloys as bonding agents for ceramic materials in cutting tools
ES8103188A1 (en) Wear-resistant iron-nickel-cobalt alloys
US2116400A (en) Hard substance alloy
KR950000906A (en) Heavy metal alloy containing tungsten and its manufacturing method
US2588007A (en) Titanium-molybdenum-chromium alloys
SE9202090D0 (en) SINTERED CARBONITRIDE ALLOY WITH IMPROVED TOUGHNESS BEHAVIOUR
KR930008176A (en) Cemented Carbide Minimized Metal
GB1301024A (en) Molybdenum base alloys or composites
US3113863A (en) Columbium base alloy
GB1486964A (en) Sintered alloy
GB1032106A (en) Improvements in the manufacture of articles from hard metal alloys
JPS572867A (en) Wear resistant sintered fe alloy
GB1404734A (en) Boride containing hard alloy
Sadahiro et al. Fracture toughness of Ni-bonded WC Base cemented carbides
JPS6483637A (en) Aluminum alloy material for powder metallurgy
US3525999A (en) Carbide alloys
ES426814A2 (en) Ferrous alloys
GB1499278A (en) Titanium carbide composition useful for cutting tools
SU1096034A1 (en) Method of obtaining sintered articles from chromium carbide-base alloys

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E902 Notification of reason for refusal
G160 Decision to publish patent application
O035 Opposition [patent]: request for opposition
O122 Withdrawal of opposition [patent]
E701 Decision to grant or registration of patent right
O073 Decision to grant registration after opposition [patent]: decision to grant registration
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20040713

Year of fee payment: 11

LAPS Lapse due to unpaid annual fee