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Medical cermet material and preparation method thereof

A cermet and metal matrix technology, which is applied in the field of medical cermet materials and its preparation, can solve the problem of uneven distribution of metal and ceramic phases in wear-resistant composite materials, insufficient mixing of metal and ceramic particles, and wear-resistant composite materials. Poor abrasiveness and other problems to achieve the effect of low processing efficiency, good contact and high compressive strength

Inactive Publication Date: 2019-08-20
CHANGSHA QIUDIANBING INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Cermet is a composite material made of metal and ceramics as raw materials. It has the advantages of both metals and ceramics, overcomes the brittleness of ceramics and makes up for the shortcomings of metals in terms of high strength, high hardness, high temperature resistance, and wear resistance. , has received widespread attention and research, and is widely used. However, some existing cermet materials, especially in medicine, cannot fully mix the metal and ceramic particles during sintering, resulting in wear-resistant composite materials. The uneven distribution of the ceramic phase leads to poor wear resistance of the composite material, and it is easy to reduce the fracture degree of the appliance when the medical appliance is manufactured in the later stage. Therefore, how to improve the uniform distribution of metal and ceramics in the composite material is the key of the present invention.

Method used

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  • Medical cermet material and preparation method thereof

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Effect test

Embodiment 1

[0028] Embodiment 1, a medical cermet material and its preparation method, comprises the following components in parts by mass: 58 parts of metal matrix, 22 parts of ceramic particles, 4 parts of kaolin, and 1 part of binder.

[0029] Element metal substrate ceramic particles Kaolin Binding agent Ratio / part 58 22 4 1

[0030] A method for preparing a medical cermet material, comprising the following steps:

[0031] S1, Weigh the raw materials of each component according to the requirements and carry out mixing treatment;

[0032] S2, open the ball mill, carry out dry ball milling on the metal matrix, and ball mill to obtain small materials;

[0033] S3, after uniformly mixing the ceramic particles, the binder and the small material, trapping the material at 30°C for 16 hours, and mixing evenly after the trapping, to obtain the granular material;

[0034] S4, putting the granular material into the mold, and putting it into a drying furnace to obt...

Embodiment 2

[0045] Embodiment 2, a medical cermet material and its preparation method, comprises the following components in parts by mass: 60 parts of metal matrix, 24 parts of ceramic particles, 6 parts of kaolin, and 2 parts of binder.

[0046] Element metal substrate ceramic particles Kaolin Binding agent Ratio / part 60 24 6 2

[0047] S1, Weigh the raw materials of each component according to the requirements and carry out mixing treatment;

[0048] S2, open the ball mill, carry out dry ball milling on the metal matrix, and ball mill to obtain small materials;

[0049] S3, after uniformly mixing the ceramic particles, the binder and the small material, trapping the material at 38°C for 28 hours, and mixing evenly after the trapping, to obtain the granular material;

[0050] S4, putting the granular material into the mold, and putting it into a drying furnace to obtain a dry billet;

[0051] S5, put the dry billet in step S3 into a hot-press furnace, rai...

Embodiment 3

[0061] Embodiment 3, a medical cermet material and its preparation method, comprising the following components in parts by mass: 63 parts of a metal matrix, 26 parts of ceramic particles, 8 parts of kaolin, and 3 parts of a binder.

[0062] Element metal substrate ceramic particles Kaolin Binding agent Ratio / part 63 26 8 3

[0063] A method for preparing a medical cermet material, comprising the following steps:

[0064] S1, Weigh the raw materials of each component according to the requirements and carry out mixing treatment;

[0065] S2, open the ball mill, carry out dry ball milling on the metal matrix, and ball mill to obtain small materials;

[0066] S3, after uniformly mixing the ceramic particles, the binder and the small material, trapping the material at 42°C for 48 hours, and mixing evenly after the trapping, to obtain the granular material;

[0067] S4, putting the granular material into the mold, and putting it into a drying furnace ...

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Abstract

The invention discloses a medical cermet material. The medical cermet material comprises following components by weight part: metal matrixes of 58-64 parts, ceramic particles of 22-26 parts, kaolin of4-8 parts and binding agents of 1-3 parts. The medical cermet material has the beneficial effects that a ball mill is used to break up metal into small material before processing by arranging the ball mill, metal particles and ceramic particles are enabled to contact well and distribute evenly by adopting a mode of decreasing the particle diameter of the metal matrixes, and therefore the preparedmedical cermet material is enabled to have performance of high pressure strength and high breaking strength, and secondly, the preparation process of the cermet material is clear, specific operationof all steps is detailed, the flow path of the preparation process is clear, the problem that low processing efficiency is caused by undefined description of a traditional processing method is solved,and processing equipment used for preparing the medical cermet material are simple, convenient to use, and capable of greatly reducing production cost.

Description

technical field [0001] The invention discloses a medical cermet material and a preparation method thereof, belonging to the technical field of composite materials. Background technique [0002] Cermet is a composite material made of metal and ceramics as raw materials. It has the advantages of both metals and ceramics, overcomes the brittleness of ceramics and makes up for the shortcomings of metals in terms of high strength, high hardness, high temperature resistance, and wear resistance. , has received widespread attention and research, and is widely used. However, some existing cermet materials, especially in medicine, cannot fully mix the metal and ceramic particles during sintering, resulting in wear-resistant composite materials. The uneven distribution of the ceramic phase leads to poor wear resistance of the composite material, and it is easy to reduce the fracture degree of the appliance when the medical appliance is manufactured in the later stage. Therefore, how t...

Claims

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Application Information

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IPC IPC(8): B22F1/00B22F9/04B22F3/14
CPCB22F9/04B22F3/14B22F2009/043B22F1/10
Inventor 不公告发明人
Owner CHANGSHA QIUDIANBING INFORMATION TECH CO LTD
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