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Features of Iron-based powder metallurgy parts

Features of Iron-based powder metallurgy parts

  • Categories:Industry News
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  • Time of issue:2022-12-30
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(Summary description)Iron-based powder metallurgy structural parts are structural parts manufactured by powder metallurgy process with iron powder or alloy steel powder as the main raw material.

Features of Iron-based powder metallurgy parts

(Summary description)Iron-based powder metallurgy structural parts are structural parts manufactured by powder metallurgy process with iron powder or alloy steel powder as the main raw material.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2022-12-30 09:34
  • Views:
Information

Iron-based powder metallurgy structural parts are structural parts manufactured by powder metallurgy process with iron powder or alloy steel powder as the main raw material. The requirements for such parts are to have sufficiently good mechanical properties, wear resistance, good machinability, and sometimes heat and corrosion resistance. Iron-based powder metallurgy parts are widely used in various fields of national economy. Especially in the automobile industry, 60%~70% of powder metallurgy iron-based parts in developed countries are used in automobiles, such as camshafts, exhaust valve seats, water pump impellers and various gears.

Low price Iron-based powder metallurgy from China manufacturer
Features of Iron-based powder metallurgy structural parts:
(1) The dimensional accuracy of the parts is high, with little or no cutting;
(2) Porosity. Compared with dense metals, iron-based powder metallurgy structural parts have uniformly distributed pores. Uniformly distributed pores can improve the anti-friction properties of materials without lubricating oil, and uniformly distributed spherical pores are also beneficial to the anti-fatigue performance of parts under the condition of small energy and multiple impacts. However, the pores can reduce the mechanical properties of the material such as tensile strength, elongation after fracture, and impact toughness, and affect the corrosion resistance, thermal conductivity, electrical conductivity, and magnetic permeability of the material. Iron-based powder metallurgy manufacturers tell you that according to the application requirements, the pore size and pore distribution can be controlled by adjusting the material composition, particle size and process. But the smaller the pore size, the higher the manufacturing cost.
(3) There is no segregation of alloying elements and fine and uniform grains. The alloying elements in iron-based structural materials are realized by adding alloying element powders and mixing. The manufacturer of Iron-based powder metallurgy tells you that because the amount and type of alloying elements are added without smelting, it is not affected by solubility limitations and density segregation, and segregation-free alloys and pseudo-alloys can be produced. Pores hinder the growth of grains, so the grains of iron-based structural materials are finer.

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