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Surface-modification amorphous alloy and preparation method thereof

An amorphous alloy, surface modification technology, applied in the direction of surface reaction electrolytic coating, electrolytic coating, coating, etc., can solve the problem of low plastic strain of amorphous alloy, achieve no three waste emissions, good toughness, easy to operate. Effect

Active Publication Date: 2015-09-02
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the plastic strain of the existing amorphous alloy is very low, and provide a surface-modified amorphous alloy and its preparation method

Method used

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  • Surface-modification amorphous alloy and preparation method thereof
  • Surface-modification amorphous alloy and preparation method thereof
  • Surface-modification amorphous alloy and preparation method thereof

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specific Embodiment approach 1

[0024] Specific Embodiment 1: This embodiment is a surface-modified amorphous alloy. The surface-modified amorphous alloy is obtained by modifying the surface of the amorphous alloy using micro-arc oxidation technology. The surface modification The room temperature compressive plastic strain of the amorphous alloy is 6% to 20%.

specific Embodiment approach 2

[0025] Specific embodiment two: the difference between this embodiment and specific embodiment one is: the amorphous alloy is Zr 46 (Cu 4.5 / 5.5 Ag 1 / 5.5 ) 46 al 8 Amorphous alloy, Zr 51.9 Cu 23.3 Ni 10.5 al 14.3 Amorphous alloy, Zr 50.7 Cu 28 Ni 9 al 12.3 Amorphous alloy, Zr 51 Ti 5 Ni 10 Cu 25 al 9Amorphous alloy, Zr 57 Ti 5 Cu 20 Ni 8 al 10 Amorphous alloy, Ti 40 Zr 25 Ni 12 Cu 3 be 20 Amorphous alloy, Ti 45 Zr 16 Ni 9 Cu 10 be 20 Amorphous alloy, Zr 41.2 Ti 13.8 Ni 12 Cu 12.5 be 22.5 Amorphous alloy or Zr 53 al 16 (Co 1-x Ag x ) 31 Amorphous alloys in which the Zr 53 al 16 (Co 1-x Ag x ) 31 where x=0, 0.1 or 0.25. Others are the same as the first embodiment.

specific Embodiment approach 3

[0026] Specific Embodiment Three: This embodiment is a method for preparing a surface-modified amorphous alloy, which is specifically completed by the following steps: pour the electrolyte into the electrolytic cell, then use the amorphous alloy as the anode, and use the Ti alloy As the cathode, the asymmetric pulse power supply is used as the power supply, at a temperature of 45-55°C, an asymmetric pulse power supply voltage of 300V-500V, an asymmetric pulse power supply frequency of 600Hz, an asymmetric pulse power supply duty cycle of 8% and a stirring speed Under the condition of 500r / min, the micro-arc oxidation treatment is carried out for 5min-9min to obtain the surface-modified amorphous alloy; the room-temperature compressive plastic strain of the surface-modified amorphous alloy is 6%-20%.

[0027] In order to facilitate the control of the temperature of the electrolyte, the electrolytic cell is placed on a cooling water device, and the temperature of the electrolyte ...

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Abstract

The invention discloses a surface-modification amorphous alloy and a preparation method thereof, and belongs to the field of material surface modification. The surface-modification amorphous alloy aims to solve the problem that an existing amorphous alloy is very low in anelastic strain. The surface-modification amorphous alloy is obtained by carrying out surface modification to amorphous alloy, the room temperature compressed anelastic strain of the surface-modification amorphous alloy is 6-20%. The method comprises the steps of taking the amorphous alloy as an anode, taking Ti (Titanium) alloy as a cathode, and taking an asymmetric pulsed power supply as a power supply for micro-arc oxidation processing, so as to obtain the surface-modification amorphous alloy. The surface-modification amorphous alloy provided by the invention has the advantages: firstly, the equipment is simple and convenient to operate, is economic and efficient, is free from three wastes discharge, and neither protective gas nor a vacuum environment is needed; secondly, the room temperature compressed anelastic strain is 6-20%. The surface-modification amorphous alloy is mainly used for preparing the amorphous alloy with high room temperature compressed anelastic strain.

Description

technical field [0001] The invention belongs to the field of material surface modification, and in particular relates to a surface-modified amorphous alloy and a method for modifying the amorphous alloy. Background technique [0002] Amorphous alloy is the product of non-equilibrium solidification under extreme conditions. The arrangement of its atoms presents the structural characteristics of short-range order and long-range disorder, so it has unique mechanical properties, such as high strength, high hardness, high wear resistance and corrosion resistance. Excellent magnetic properties, etc. Based on this, researchers have done a lot of research, development and application research on amorphous alloys since the 1960s, when the research on amorphous alloys was pioneered. At present, amorphous alloys have broad application prospects in the fields of micro-electromechanical systems, precision optics, medical equipment, electronic packaging, biomedicine, and military industr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C45/00C22C45/10C25D11/26
Inventor 黄永江程翔范洪波王亚明刘静孙剑飞
Owner HARBIN INST OF TECH