Preparation method of self-lubricating copper-based powder metallurgy structural part for helicopter
A copper-based powder, self-lubricating technology, applied in the field of powder metallurgy, can solve problems such as the service life does not meet the requirements
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[0024] Next, the helicopter provided by the present invention is explained using the preparation method of self-lubricating copper-based powder metallurgical structural members.
[0025] It is an object of the present invention to prepare a graphite, a tensile strength σb ≥ 92 MPa, a tensile strength σb ≥ 92 MPa, and a self-lubricating function with a self-lubricating function. It is equipped as a helicopter from the meter assembly to ensure the smooth implementation of its own instrument function.
[0026] The present invention adds a certain amount of graphite and paraffin to the copper, tin metal powder, and is mixed evenly, and after the suppression is molded, the sintering is performed under the protective atmosphere, and the comprehensive properties meet the requirements of the copper-based powder metallurgical member required for use. By adding graphite, the self-lubrication performance of the structure can be improved; a paraffin is added as a binder, which ensures that th...
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