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Titanium carbonitride metal ceramic material for extrusion die and preparation method thereof

A technology of titanium carbonitride and cermet, applied in the direction of metal extrusion dies, etc., can solve the problems of high consumption cost of extrusion dies, lack of wear resistance, high temperature hardness extrusion die materials, etc., to improve high temperature performance and thermal shock properties, improve material toughness and high temperature performance, and improve processing efficiency

Active Publication Date: 2020-08-07
CHENGDU MET CERAMIC ADVANCED MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the prior art, the consumption cost of the extrusion die is relatively high, and there is a lack of extrusion die materials with good wear resistance, high temperature hardness and long life

Method used

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  • Titanium carbonitride metal ceramic material for extrusion die and preparation method thereof
  • Titanium carbonitride metal ceramic material for extrusion die and preparation method thereof
  • Titanium carbonitride metal ceramic material for extrusion die and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] A titanium carbonitride cermet material for an extrusion die is prepared, and the preparation steps are as follows:

[0058] (1) Prepare the components and the metal binder phase matrix for preparing hard particles according to the proportioning ratio;

[0059] (2) Preparation of hard particles:

[0060] ① Pour the components for preparing hard particles into the ball milling tank, and at the same time add carbon source, forming agent and ball milling medium to carry out wet milling for 50 hours. The ball-to-material ratio of ball milling is 6:1, and the mixture is obtained after ball milling;

[0061] ② Then dry the mixture and granulate to obtain granules;

[0062] The method used for granulation is spray drying granulation, and the slurry is prepared before spraying, and the weight ratio of the solid and liquid for preparing the slurry is 55:50 (preparing the slurry: the solid is the mixture obtained after ball milling in step ①; the liquid is Alcohol), the tempera...

Embodiment 2

[0071] A titanium carbonitride cermet material for an extrusion die is prepared, and the preparation steps are as follows:

[0072] (1) Prepare the components and the metal binder phase matrix for preparing hard particles according to the proportioning ratio;

[0073] (2) Preparation of hard particles:

[0074] ① Pour the components for preparing hard particles into the ball milling tank, and at the same time add carbon source, forming agent and ball milling medium to carry out wet milling for 60 hours. The ball-to-material ratio of ball milling is 8:1, and the mixture is obtained after ball milling;

[0075] ② Then dry the mixture and granulate to obtain granules;

[0076] The method used for granulation is spray drying granulation, and the slurry is prepared before spraying, and the weight ratio of the solid and liquid for preparing the slurry is 30:70 (preparing the slurry: the solid is the mixture obtained after ball milling in step ①; the liquid is Alcohol), the tempera...

Embodiment 3

[0085] A titanium carbonitride cermet material for an extrusion die is prepared, and the preparation steps are as follows:

[0086] (1) Prepare the components and the metal binder phase matrix for preparing hard particles according to the proportioning ratio;

[0087] (2) Preparation of hard particles:

[0088] ① Pour the components for preparing hard particles into the ball milling tank, and at the same time add carbon source, forming agent and ball milling medium to carry out wet milling for 55 hours. The ball-to-material ratio of ball milling is 8:1, and the mixture is obtained after ball milling;

[0089] ② Then dry the mixture and granulate to obtain granules;

[0090] The method that granulation adopts is spray drying granulation, prepares slurry before spraying, and the weight ratio of the solid and liquid of preparation slurry is 70:30 (preparation slurry: solid is the mixture obtained after ball milling in step 1; liquid is Alcohol), the temperature of entering the ...

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Abstract

The invention provides a titanium carbonitride metal ceramic material for an extrusion die and a preparation method thereof, and solves the technical problems of high consumption cost of the extrusiondie and lack of extrusion die materials with good wear resistance, high-temperature hardness and long service life in the prior art. The titanium carbonitride metal ceramic material is prepared fromthe following main materials in percentage by weight: 70-95% of hard particles and 5-30% of metal binding phase matrix, wherein the sum of the weight percentages of the hard particles and the metal binding phase matrix is 100%; and the metal binding phase matrix comprises VIII B platinum group transition metal element powder. The titanium carbonitride metal ceramic material for the extrusion die has the advantages of good wear resistance, high-temperature hardness and low friction coefficient, and can effectively prolong the service life of the extrusion die, improve the processing efficiencyand reduce the processing cost.

Description

technical field [0001] The invention relates to a titanium carbonitride cermet material, in particular to a titanium carbonitride cermet material for an extrusion die and a preparation method thereof. Background technique [0002] With the continuous expansion of industrial scale, the demand for parts in the manufacturing industry has always maintained a high level. There are a large number of mechanical parts, which are very suitable for production by hot extrusion process, because hot extrusion process equipment is common, easy to install, and the process is simple. Material utilization. Therefore, as an advanced and mature pressure processing technology, the hot extrusion process can bring huge economic benefits in mass production of corresponding parts with suitable shapes. Due to the high process temperature and harsh working environment, the hot extrusion process is affected by many factors. The hot extrusion die is an extremely important part in the hot extrusion p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C29/04C22C1/05B21C25/02
CPCB21C25/025C22C1/051C22C29/005C22C29/04
Inventor 刘毅颜焰
Owner CHENGDU MET CERAMIC ADVANCED MATERIALS
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