Preparation method for steel fiber copper-covered steel wire
A copper-clad steel wire and steel fiber technology, which is applied in the field of steel fiber copper-clad steel wire preparation, can solve the problems of slow precipitation at low temperature, decline in electrical conductivity, and coarsening of fibers
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[0013] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
[0014] The preparation method of the steel fiber copper clad steel wire of the present invention includes the following steps:
[0015] (1) Put the 1mm diameter degreasing and derusting agent in the degreasing and derusting agent, heating to 60℃, keeping it for 10 minutes, after degreasing and derusting, rinse with water and dry in a 100℃ oven. Then the dried steel fiber is sheathed in a copper tube with an outer diameter of 2mm and a wall thickness of 0.2mm, and it is drawn three times continuously, and the deformation amount is controlled between 15%-20% each time.
[0016] In this embodiment, the oil and rust remover is: 150g / L-200g / L HCl, 15g / L-20g / LH 2 SO 4 , 1g / L-3g / L urotropine, 5g / L-10g / L thiourea, 20g / L NaNO2, 1g / L sodium dodecyl sulfonate and the balance water.
[0017] (2) Heat the drawn copper-clad steel fiber to 600℃, and then anneal for 1h. ...
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