Key Characteristics and Applications of Sintered Metal Filters

November 21, 2022

Filtration is the process of separating elements from a mixture by using a filter medium. This filter medium would boast a complex structure that only allows fluid or specific elements to pass. Many materials can be used in producing this filter medium. But one material that is often maximised by many manufacturers is metal powder.

Metal powders are alloys often processed into fine, grain-like powders. They can be made from brass, bronze, copper, iron, or stainless steel. These materials can then be mixed with other alloys to attain improvements in terms of their characteristics and properties.

When producing filters out of metal powders, manufacturers would often carry out the sintering process. Once sintering is done, businesses in various industries and even households can invest in and take advantage of sintered filters.

A Quick Overview of Sintered Metal Filters

As mentioned earlier, filters made from metal powders turn into sintered metal filters. These filters are created through sintering, a process wherein compacted metal powders in furnaces are heated at a lower temperature than their melting point. As their temperature reaches the optimal level, the particles of the metal powders weld together, producing parts and products that can be beneficial for a lot of industries.

The resulting filters from the sintering process are expected to feature a mesh that can be effective in filtering impurities from various types of liquid, gases, and other materials.

Sintered Metal Filters Key Characteristics

Sintered metal filters can be made from copper, aluminium, nickel, and other high-quality metal powders, allowing them to boast the following characteristics.

• High Level of Filtration: One of the most notable characteristics of sintered metal filters is their high level of filtration. Sintering can help generate filters with an optimal level of porosity, which makes filtration possible. The metal powders used for the filters are likewise expected to not corrode, preventing contaminants from ruining the filtered materials.
• Resistance to Elements: Another characteristic of sintered metal filters is their natural resistance to elements. The mixture of various metal powders allows sintered filters to maintain a certain level of corrosion, temperature, and pressure resistance, preventing them from obtaining damage while being exposed to varying surrounding conditions.
• Versatile Appearance: Not all sintered metal filters boast similar appearances. Since sintering utilises a die or furnace in crafting the filters, manufacturers can freely change its design and form factor before proceeding with the process. The versatility of sintering allows industries to utilise filters with different designs.

Industries That Use Sintered Metal Filters

With these characteristics of sintered metal filters, they can effectively be maximised by many industries. The automotive industry, for instance, uses sintered metal filters to get rid of dust, dirt, and unwanted liquid from the exhaust system of vehicles. These filters can likewise be used as sound dampers in exhaust systems and throttle.

The electronics industries, alternatively, integrate sintered metal filters in filtration units, blenders, water purifiers, and vacuum cleaners. Even the tiniest parts of electronics take advantage of these filters so they can remain functional for a long time.

Other industries that can benefit from sintered metal filters are pharmaceutical, chemical, and energy industries. To gain access to these products, feel free to contact us at PM Distributors.

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