Metal powder sintered core
Metal powder sintered core -- microporous metal powder sintered filter core a material (or product) with a porous internal structure manufactured by powder metallurgy, generally made of spherical or irregularly shaped metal or alloy powder by forming and sintering, also known as sintered porous material.
Metal powder sintered core -- Microporous metal powder sintered filter core material is a crisscross, interpenetrating porous body, usually with 30 ~ 60% volume porosity, pore size 1 ~ 200 microns. Commonly used metals or alloys are bronze, stainless steel, iron, nickel, titanium, tungsten, molybdenum and refractory metal compounds. Products made of crucible, dish, tube, plate, film and so on.
Metal powder sintered core - The characteristics of microporous metal powder sintered filter core are:
(1) Pore size and porosity can be controlled;
Excellent transmission performance, and can be regenerated after use, so long service life;
③ Heat and electricity conduction;
High temperature resistance, low temperature resistance, thermal shock resistance;
(5) Resistance to medium corrosion;
⑥ large specific surface area;
⑦ can be welded and processed.
Metal powder sintered core -- microporous metal powder sintered filter core its comprehensive performance is better than the traditional paper, cotton and chemical fiber fabric, ceramic, glass, wire mesh and other filtering materials. In modern technology, porous materials increasingly play an important role, with two main uses.
(1) For the filter - the use of its porous filtration and separation function to purify liquid and gas. For example, to clean fuel oil and air from airplanes and cars; Filtration of various liquids and gases in the chemical industry; Filtration of radioactive particles in exhaust gases in the atomic energy industry.
(2) Using the function of its pores, the manufacture of porous electrodes, fire extinguishing devices, anti-freezing devices, high temperature resistant nozzles, etc. Porous electrodes are mainly used in electrochemistry. Fire extinguishing device is the use of its anti-flow effect to prevent explosion, such as gas welding flame explosion-proof device, etc. The antifreeze device is used to prevent the wing and tail from icing through its porous preheated air or special liquid. High temperature resistant nozzle is the use of surface sweating and hot surface cooling principle, known as sweat material.