Special-shaped Alloy Top PM Sintered Parts
A powder metallurgy superalloy is a superalloy prepared by the powder metallurgy process. Superalloy refers to an alloy with higher temperature resistance, which can maintain its physical and chemical properties at higher temperatures. Powder metallurgy superalloys are prepared by pressing, sintering, and densifying alloy powders. Special-shaped alloy top PM sintered parts have high density and strength, fine grain structure, and high-temperature resistance.
Product Introduction
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Special-shaped alloy top PM sintered parts |
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Item |
Material |
Production Process |
Sintering Temperature |
Mold |
Custom |
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Shaped alloy top powder metallurgy |
Carbide |
Powder metallurgy pressing |
1380℃ |
To be customized |
Yes |
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Available Materials |
Low carbon stainless steel, titanium alloy (Ti, TC4), copper alloy, tungsten alloy, hard alloy, high temperature alloy (718, 713) |
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Smoothness |
Dimensional accuracy |
Product density |
Appearance treatment |
Appropriate weight |
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Roughness 1～5μm |
(±0.1%～±0.5%) |
7.3-7.6g/CM³ |
According to customer requirements |
0.03g～400g) |
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A powder metallurgy superalloy is a superalloy prepared by the powder metallurgy process. Superalloy refers to an alloy with higher temperature resistance, which can maintain its physical and chemical properties at higher temperatures. Powder metallurgy superalloys are prepared by pressing, sintering, and densifying alloy powders. Special-shaped alloy top PM sintered parts have high density and strength, fine grain structure, and high-temperature resistance.
Preparation process steps of powder metallurgy superalloy
Alloy composition design: According to the required high-temperature performance and mechanical properties, design a reasonable alloy composition.
Alloy powder preparation: Various metal elements are smelted, atomized, or electrolyzed to prepare alloy powder.
Powder pressing: Put the alloy powder into the mold and press it by hydraulic or mechanical means to make a green body of the desired shape.
Sintering: Sintering at high temperatures to form a metallurgical bond between alloy powder particles to form a material with higher strength and density.
Densification: Through hot pressing, hot isostatic pressing, or hot forging, the sintered material is further densified to improve its high-temperature performance and mechanical properties.
Advantages of powder metallurgy superalloys
With high strength and density, it can achieve a high thrust-to-weight ratio (thrust/weight). With a finer grain structure and uniform composition distribution, it can improve high-temperature performance and mechanical properties. By controlling the alloy composition and preparation process, the customized production of the alloy can be realized to meet the needs of different high-temperature applications. The preparation process is simple and efficient, and the production cost can be reduced.
Powder metallurgy superalloys are widely used in aerospace, energy, automobile, and other fields. For example, several powder superalloys developed in Britain, the United States, and other countries have been used to manufacture high-pressure compressor disks and turbine disks for high thrust-to-weight ratio (thrust/weight) engines. The new alloy made by the rapid solidification pulverization process in the United States has been processed into air-cooled turbine blades and is being tested.
In short, a powder metallurgy superalloy is a superalloy with high-temperature resistance and mechanical properties, which is prepared by a powder metallurgy process. It has high strength and density, fine grain structure, and uniform composition distribution, which can achieve a high thrust-to-weight ratio (thrust/weight). Powder metallurgy superalloys are widely used in aerospace, energy, automobile, and other fields, and are an important part of modern high-temperature materials.
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