A device and process for covering wire rods with amorphous alloy strips
A technology of amorphous alloy and wire rod, which is applied in the field of amorphous metal forming, can solve the problems of complex mold structure, high processing cost, and low mold life, and achieve the effect of simple tooling structure, low processing cost and uniform thickness
Active Publication Date: 2016-08-24
SHANDONG UNIV OF SCI & TECH
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Problems solved by technology
[0006] When coating the wire or rod with an amorphous alloy, if the wire or rod is covered by a unidirectional extrusion process, the shunt chamber, coating chamber and forming chamber must be designed in the extrusion die , the structure of the mold is complex, the processing cost is high, and the extrusion force required is relatively large, and the life of the mold is low
Method used
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Embodiment
[0063] The material of the wire rod is copper wire with a diameter of 1 mm; the thickness of the amorphous alloy strip is 0.05 mm. The amorphous alloy is Zr58.5Cu15.6Ni12.8Al10.3Nb2.8. The glass transition temperature and crystallization temperature of Zr58.5Cu15.6Ni12.8Al10.3Nb2.8 are 385°C and 470°C respectively. When the heating temperature is 405°C, it can be kept for 30 minutes without crystallization, which can meet the coating process requirements.
[0064] When coating the amorphous alloy, the heating temperature of the preheating device, coating roller, trimming roller and shaping roller is controlled at 403°C to 407°C by a temperature controller, and the coating speed is 50mm / s.
[0065] The traction force used for cladding was 100N.
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Abstract
The invention relates to an apparatus and a technology for coating a wire rod by utilizing an amorphous alloy belt. The apparatus comprises a wire-rod supply device, amorphous alloy belt supply devices at two sides of the wire-rod supply device, a wire-rod traction collecting device, and a driving device driving motion of the amorphous alloy belt; and a preheating device, a cladding roller, a trimming roller, a shaping roller and a cooling gas jet pipe are successively between the wire-rd supply device and the wire-rod traction collecting device along the motion direction of a wire rod and the amorphous alloy belt. The amorphous alloy belt is used to coat the surface of the wire rod, so that the surface quality of the wire rod is improved, the wire rod is endowed with excellent corrosion resistance and wear resistance, the application field of the wire rod is expanded, and the service life of the wire rod is prolonged.
Description
technical field [0001] The invention relates to a device and a process for covering wire rods with amorphous alloy strips, and belongs to the technical field of amorphous metal forming. Background technique [0002] Metallic glasses, also known as amorphous alloys, have the advantages of metals and glasses while overcoming their respective disadvantages due to their unique disordered microstructure. Glass is fragile and has no ductility; but metallic glass is stronger than steel, harder than high-hard tool steel, and has certain toughness and rigidity. Therefore, people call metallic glass "unbreakable and unbreakable". The King of Glass". Amorphous alloys have good mechanical, physical and chemical properties such as high strength, high hardness, good wear resistance and corrosion resistance, which determine their wide application fields and broad application prospects. Zirconium-based amorphous has lower requirements on the limit cooling rate, and a complete amorphous st...
Claims
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IPC IPC(8): B21C37/04
CPCB21C37/042
Inventor 李辉平贺连芳杨慧张春芝
Owner SHANDONG UNIV OF SCI & TECH