Porous sintered metal materials

Metal powder sintered porous material is made of metal or alloy powder by forming and sintering at high temperature and with a rigid structure.

Feature: The material contains a large number of connected or semi-connected pores, the pore structure is composed of regular and irregular powder particles, the size and distribution of pores and the size of porosity can be adjusted according to the powder particle size combination and preparation process to meet the actual needs of customers.

Advantage: Good permeability、pore size and porosity are controllable、shape stability、high filtration accuracy、wear proof、good mechanical properties、good thermal conductivity, heat resistance, heat dissipation performance, back flush and reuse.

1.Porous sintered titanium materials

1)Titanium sintered porous materials have the characteristics of low density, high specific strength, good corrosion resistance and good biocompatibility.

2)Properties of titanium sintered porous materials：

a.Pore diameter uniformity, pore stability, high separation efficiency.

b.High porosity, low filtration resistance and high permeability.

c.Good chemical stability, acid and alkali corrosion resistance, oxidation resistance.

d.Morphological stability, no particle shedding, comply with food hygiene and pharmaceutical GMP requirements.                              

e.Good mechanical properties, low differential pressure, large flow.

f.Strong anti-microbial ability, does not interact with microorganisms.

g.Online regeneration, easy cleaning, long service life.

h.Excellent biocompatibility, can be widely used in biological, food, pharmaceutical, medical industry.

i.Excellent electromagnetic shielding performance.

j.Good damping and shock resistance.

3).Application of titanium sintered porous mateirals

Titanium sintered porous materials are mostly used for filtering materials、electrodes、heat transfer materials、catalyst carrier materials、noise cancelling materials according to their physical and structural properties.

a.Decarburization filtration of pharmaceutical liquids.

b.Electrolytic gas industry precision filtration, gas distribution.

c.The medical industry makes biological implants.

d.Water treatment industry odor sterilization filtration and ozone aeration.

e.Clarification and filtration in food and beverage processing.

f.Prefiltration of reverse osmosis system for electronics industry.

g.Terminal filtration of petroleum products in petrochemical industry and filtration of carbonic alkali liquid in chemical industry.

h.High pressure air filtration in aerospace industry.

i.Filtration and recovery of precious metal catalyst in fine chemical industry.

j.The electrode matrix of a fuel cell.

k.Catalyst carrier in gas and liquid catalytic reactions.

2.Porous sintered titanium materials

1)Properties of stainless steel sintered porous materials：

a.High temperature resistance, in normal use under 500 ℃.

b.High mechanical strength, good plasticity, can be machined.

c.Corrosion resistance, oxidation resistance, can be used in nitric acid, sulfuric acid, dilute hydrochloric acid (5%), acetic acid, liquid hydrogen, liquid nitrogen environment.

d.Good molding process, according to customer drawings for processing a molding.

e.High filtration precision and good purification effect.

f.The pores are uniform, the internal structure is stable, and no particles fall off.

g.Good air permeability, easy to back blow cleaning, can be used repeatedly online regeneration.

h.Wear resistance and impact resistance, good mechanical properties.

2)Application of stainless steel sintered porous materials:

According to its physical and structural characteristics, stainless steel sintered porous materials are mostly used in the fields of noise elimination, filtration and separation, fluid distribution, flow limiting, capillary core and so on.

a.Chemical raw material production process in addition to impurity filtration, material decarburization filtration and fine filtration.

b.Ultrafiltration, RO, EDI system security filtration in water treatment.

c.Food and beverage industry finished product clarification filtration.

d.Filtration and recovery of precious metal catalyst in petrochemical industry.

e.Precision filtration of liquid raw materials, products and pharmaceutical intermediates in the chemical industry.

f.Reverse osmosis security filtration in the field of water injection filtration.

g.Gas purification of steam, compressed air deoiling purification.

h.Medium purification and flow limitation for pneumatic components, lubricants, fuels and hydraulic pressure systems.

i.Chemical dye industry of high - temperature decarburization.