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Metal ceramic material

A cermet and auxiliary material technology, applied in the field of cermet materials, can solve the problems of narrow tool application range, poor toughness, poor strength, etc., and achieve the effects of good bonding effect, increased fracture toughness, and high strength.

Inactive Publication Date: 2019-08-16
自贡市希力数控工具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the disadvantages of the above-mentioned ceramic materials such as poor strength and poor toughness, which narrow the application range of the prepared cutting tool, the invention provides a cermet material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A cermet material, the raw material is 60 parts of main phase, 16 parts of binder phase, 5 parts of carbide, 3 parts of additive, 5 parts of whiskers, and 5 parts of auxiliary materials, wherein the whiskers are SiC, and the The auxiliary material is carbon nanotubes, the main phase is Ti (C & N) and WC, in parts by weight, wherein the Ti (C & N) is 50 parts, the WC is 10 parts, and the bonding phase is Co and Ni , by weight, the Co is 8 parts, the Ni is 8 parts, the carbide is TaC, and the additive is Mo.

[0035] A preparation process of a cermet material, comprising the following steps:

[0036](1) Mix the raw materials, and add 30L of alcohol in every 100 kilograms of raw materials, and mix evenly to obtain the mixed raw materials, then add 2% PEG forming agent of the mixed raw material quality, add the ball mill after mixing evenly, and use the ball mill to wet Grinding, filtering after wet grinding to obtain a mixed slurry; (2) passing the mixed slurry through a ...

Embodiment 2

[0041] A cermet material, the raw material is 70 parts of main phase, 18 parts of binder phase, 7 parts of carbide, 6 parts of additive, 8 parts of whiskers, and 8 parts of auxiliary materials, wherein the whiskers are TiC, and the The auxiliary material is carbon nanotubes, the main phase is Ti (C & N) and WC, in parts by weight, wherein the Ti (C & N) is 55 parts, the WC is 15 parts, and the binding phase is Co and Ni , by weight, the Co is 9 parts, the Ni is 9 parts, the carbide is NbC, and the additive is MoC.

[0042] A preparation process of a cermet material, comprising the following steps:

[0043] (1) Mix the raw materials, and add 35L of alcohol in every 100 kilograms of raw materials, and mix evenly to obtain the mixed raw materials, then add 3% PEG forming agent of the mixed raw material quality, add the ball mill after mixing evenly, and use the ball mill to wet Grind, filter after wet grinding, and mix a slurry;

[0044] (2) Pass the mixed slurry through a clos...

Embodiment 3

[0049] A cermet material, the raw material is 80 parts of main phase, 20 parts of bonding phase, 10 parts of carbide, 10 parts of additive, 5 parts of whiskers, and 10 parts of auxiliary materials, wherein the whiskers are SiC and TiC, The auxiliary material is carbon nanotubes, the main phase is Ti (C & N) and WC, in parts by weight, wherein the Ti (C & N) is 60 parts, the WC is 20 parts, and the binding phase is Co and Ni, by weight, the Co is 10 parts, the Ni is 10 parts, the carbides are TaC and NbC, and the additives are Mo and MoC.

[0050] A preparation process of a cermet material, comprising the following steps:

[0051] (1) Mix the raw materials, and add 40L of alcohol in every 100 kilograms of raw materials, and mix evenly to obtain the mixed raw materials, then add 4% PEG forming agent of the mixed raw material quality, add the ball mill after mixing evenly, and use the ball mill to wet Grind, filter after wet grinding, and mix a slurry;

[0052] (2) Pass the mix...

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Abstract

The invention discloses a metal ceramic material, and belongs to the technical field of metal ceramic materials. The metal ceramic material comprises, by weight, 60-80 parts of a principal phase, 16-20 parts of a binding phase, 5-10 parts of carbide, 3-10 parts of an additive, 5-10 parts of whiskers and 5-10 parts of auxiliaries. SiC and / or TiC serve / serves as the whiskers, and carbon nano tubes serve as the auxiliaries. Through adding of the whiskers Sic and / or TiC and the auxiliary carbon nano tubes, the strength of the metal ceramic material is high, toughness is enhanced, and the application range of a metal ceramic cutter manufactured through a powder metallurgy manner is wide.

Description

technical field [0001] The invention relates to the field of cermet materials, in particular to a cermet material. Background technique [0002] Cermet is a composite material, which is a structural material composed of a ceramic hard phase and a metal or alloy binder phase. Cermet not only maintains the high strength, high hardness, wear resistance, high temperature resistance, oxidation resistance and chemical stability of ceramics, but also has good metal toughness and plasticity. [0003] According to the different percentages of each constituent phase, cermets are divided into two types: ceramic-based and metal-based. Ceramic-based cermets mainly include: oxide-based cermets, carbide-based cermets, nitride-based cermets, boride-based cermets, and silicide-based cermets; It is made of powder, also known as dispersion reinforced material. [0004] Cermet has the advantages of both metal and ceramics. It has low density, high hardness, wear resistance, good thermal cond...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C49/00C22C47/14C22C101/12C22C101/14
CPCC22C47/14C22C49/00
Inventor 熊健松
Owner 自贡市希力数控工具有限公司
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