阅读说明：本技术 一种块体非晶合金的制造方法和块体非晶合金 (Manufacturing method of block amorphous alloy and block amorphous alloy ) 是由 王成勇 唐梓敏 杜策之 丁峰 于 2021-08-04 设计创作，主要内容包括：本发明涉及非晶合金连接技术领域,特别是涉及一种块体非晶合金的制造方法和块体非晶合金,该制造方法包括以下步骤,S1、采用待焊接的第一非晶合金和第二非晶合金,分别对第一非晶合金和第二非晶合金二者的待连接界面进行表面处理；S2、将第一非晶合金与第二非晶合金拼接在一起,且在第一非晶合金与第二非晶合金的连接界面处填充非晶合金粉末；S3、在气氛的环境下,分别对第一非晶合金的连接界面和第二非晶合金的连接界面进行控温,将第一非晶合金与第二非晶合金相互压合；S4、重复S1～S3步骤,直至获得目标厚度的块体非晶合金板,该块体非晶合金的制造方法能提高非晶连接质量,且该制造方法具有容易操作的优点。(The invention relates to the technical field of amorphous alloy connection, in particular to a manufacturing method of a block amorphous alloy and the block amorphous alloy, wherein the manufacturing method comprises the following steps of S1, adopting a first amorphous alloy and a second amorphous alloy to be welded, and respectively carrying out surface treatment on interfaces to be connected of the first amorphous alloy and the second amorphous alloy; s2, splicing the first amorphous alloy and the second amorphous alloy together, and filling amorphous alloy powder in the connecting interface of the first amorphous alloy and the second amorphous alloy; s3, respectively controlling the temperature of the connection interface of the first amorphous alloy and the connection interface of the second amorphous alloy in an atmosphere environment, and mutually pressing the first amorphous alloy and the second amorphous alloy; and S4, repeating the steps S1-S3 until a bulk amorphous alloy plate with the target thickness is obtained, wherein the manufacturing method of the bulk amorphous alloy can improve the amorphous connection quality and has the advantage of easy operation.)

1. A method for manufacturing a bulk amorphous alloy, comprising: comprises the following steps of (a) carrying out,

s1, respectively performing surface treatment on interfaces to be connected of the first amorphous alloy and the second amorphous alloy by using the first amorphous alloy and the second amorphous alloy to be welded;

s2, splicing the first amorphous alloy and the second amorphous alloy together, and filling amorphous alloy powder in the connecting interface of the first amorphous alloy and the second amorphous alloy;

s3, respectively controlling the temperature of the connection interface of the first amorphous alloy and the connection interface of the second amorphous alloy in an atmosphere environment, and mutually pressing the first amorphous alloy and the second amorphous alloy until the first amorphous alloy and the second amorphous alloy are connected in a forming way;

and S4, forming the connected amorphous alloy by adopting S3, repeating the steps from S1 to S3 to obtain the bulk amorphous alloy with increased thickness, and continuously repeating the steps from S1 to S3 until the bulk amorphous alloy plate with the target thickness is obtained.

2. The method of manufacturing bulk amorphous alloy according to claim 1, wherein: and in the step S3, the method further includes ultrasonically vibrating the connection interface of the first amorphous alloy and the connection interface of the second amorphous alloy.

3. The method of manufacturing bulk amorphous alloy according to claim 1, wherein: the surface treatment includes grinding, polishing, roughening, or microstructured surface treatment.

4. The method of manufacturing bulk amorphous alloy according to claim 3, wherein: the step of surface treatment of the microstructure comprises the steps of respectively arranging a plurality of tooth teeth on a connecting interface of a first amorphous alloy and a connecting interface of a second amorphous alloy, mutually meshing the first amorphous alloy and the second amorphous alloy through the tooth teeth, and filling the amorphous alloy powder between the adjacent tooth teeth.

5. The method of manufacturing bulk amorphous alloy according to claim 1, wherein: the first amorphous alloy and the second amorphous alloy are connected in a forming mode in a working cavity, and the working cavity provides the atmosphere.

6. The method of manufacturing bulk amorphous alloy according to claim 5, wherein: the atmosphere includes vacuum, inert atmosphere, air atmosphere or pure oxygen atmosphere.

7. The method of manufacturing bulk amorphous alloy according to claim 1, wherein: and in the step S3, the temperature of the connection interface of the first amorphous alloy and the temperature of the connection interface of the second amorphous alloy are controlled by adopting one of electromagnetic heating discharge plasma heating and atmosphere heating.

8. The method of manufacturing bulk amorphous alloy according to claim 1, wherein: the amorphous alloy powder is amorphous alloy powder with a cross supercooled liquid region between the first amorphous alloy and the second amorphous alloy.

9. The method of manufacturing bulk amorphous alloy according to claim 1, wherein: the grain diameter of the amorphous alloy powder is not more than 300 mu m.

10. A bulk amorphous alloy, characterized by: the bulk amorphous alloy according to any one of claims 1 to 9 is manufactured by the method.

Technical Field

The invention relates to the technical field of amorphous alloy connection, in particular to a manufacturing method of a block amorphous alloy and the block amorphous alloy.

Background

The amorphous alloy has the structural characteristics of short-range order and long-range disorder, has the characteristics of metal, amorphous, solid and liquid due to the special structural characteristics, is an engineering material with great application prospect, and can be applied to the fields of aerospace, 3C consumer electronics, medical appliances and the like. However, the amorphous alloy has limited forming capability, and the application of the amorphous alloy in various fields is severely restricted because the one-step forming of the large-size amorphous alloy is difficult to realize by using the traditional vacuum die-casting method.

At present, the preparation of large-size amorphous alloy is usually carried out by adopting a welding method. Patent CN201911228983.3 discloses a vacuum welding device and method for amorphous alloy, the method uses vacuum laser welding technology to weld amorphous alloy in vacuum environment, effectively solves the problem of joint oxidation, is beneficial to increase of penetration depth, reduces the occurrence probability of defects such as weld width, air holes and undercut, and obtains good weld surface, but is limited by the reason of laser characteristics, the method is more suitable for large-breadth welding, and can not realize large-scale breakthrough of thickness and size. Patent CN201410501089.X discloses an ultrasonic welding method of metallic glass, utilizes ultrasonic tool to produce vibration about, and drive metallic glass or welding workpiece vibration about, and the contact surface of metallic glass and welding workpiece rubs each other to form the welding, and this welding method has production efficiency height, energy-concerving and environment-protective advantage, and makes the quality of metallic glass product good, but this method utilizes the linear friction welding that ultrasonic vibration provided in essence, has friction welding's shortcoming such as the heat dissipation is uneven.

At present, when the amorphous alloy is in the supercooled liquid region, the plasticity and the forming capability of the amorphous alloy are greatly improved, the plasticity and the forming capability of the amorphous alloy can be improved by heating the amorphous alloy to the supercooled liquid region, at the moment, different amorphous alloy materials can be extruded and flowed mutually to realize connection through pressurization, and at the moment, the amorphous alloy cannot be crystallized. However, the traditional method of connecting amorphous alloys by using a supercooled liquid region still has the following disadvantages: due to the existence of oil stains, air and the like at the connection interface of the amorphous alloy, the nonexclusive smoothness of the surface of the amorphous alloy and other reasons, the connection interface of the bulk amorphous alloy obtained by connection has the defects of cracks, cavities and the like, the defects can become positions for concentrated release of internal stress, the strength of the prepared bulk amorphous alloy is greatly weakened, and the problems are more serious along with the increase of the connection size.

Disclosure of Invention

The invention aims to avoid the defects in the prior art and provides the manufacturing method of the bulk amorphous alloy, the manufacturing method can fill up the cracks and the defects at the interface connection part of the amorphous alloy and improve the amorphous connection quality, and the manufacturing method has the advantage of easy operation.

The purpose of the invention is realized by the following technical scheme:

there is provided a method for manufacturing a bulk amorphous alloy, comprising the steps of,

s1, respectively performing surface treatment on interfaces to be connected of the first amorphous alloy and the second amorphous alloy by using the first amorphous alloy and the second amorphous alloy to be welded;

s2, splicing the first amorphous alloy and the second amorphous alloy together, and filling amorphous alloy powder in the connecting interface of the first amorphous alloy and the second amorphous alloy;

s3, respectively controlling the temperature of the connection interface of the first amorphous alloy and the connection interface of the second amorphous alloy in an atmosphere environment, and mutually pressing the first amorphous alloy and the second amorphous alloy until the first amorphous alloy and the second amorphous alloy are connected in a forming way;

and S4, forming the connected amorphous alloy by adopting S3, repeating the steps from S1 to S3 to obtain the bulk amorphous alloy with increased thickness, and continuously repeating the steps from S1 to S3 until the bulk amorphous alloy plate with the target thickness is obtained.

The working principle of the steps is as follows: amorphous alloy powder is filled in a connecting interface of the amorphous alloy, when the temperature rises to a cross supercooled liquid phase region of the amorphous alloy, the connecting interface of the first amorphous alloy and the second amorphous alloy generates plastic flow and is connected under the mutual extrusion action, the temperature also enables the amorphous alloy powder to reach the supercooled liquid phase region, and the crystalline alloy powder also generates plastic flow under the pressure action, wherein the large specific surface area of the amorphous alloy powder is beneficial to the contact connection of the first amorphous alloy and the second amorphous alloy, and the crystalline alloy powder is small in size and is also beneficial to moving on the connecting interface of the first amorphous alloy and the second amorphous alloy, cracks and defects are filled, and the amorphous connection quality is improved.

In addition, only the temperature rise treatment is carried out on the connecting interface of the amorphous alloy, so that the heat of the heated amorphous alloy part can be diffused to the unheated amorphous alloy part, the temperature reduction speed is improved, and the crystallization probability is reduced; in addition, only the temperature rise treatment is carried out on the connecting interface of the amorphous alloy, the possibility of material property change caused by heating the whole amorphous alloy can be avoided, and meanwhile, the energy consumption is reduced.

Further, in S3, the method further includes ultrasonically vibrating the bonding interface of the first amorphous alloy and the bonding interface of the second amorphous alloy. The ultrasonic vibration can effectively promote the uniform distribution of the temperature and the movement of the amorphous alloy powder, thereby improving the filling effect.

Further, the surface treatment includes grinding, polishing, roughening, or micro-structured surface treatment. The surface treatment for increasing the roughness can improve the connection effect and is convenient for stabilizing the amorphous alloy powder.

Further, the step of surface treatment of the microstructure comprises the steps of respectively arranging a plurality of rolling teeth on the connection interface of the first amorphous alloy and the connection interface of the second amorphous alloy, mutually meshing the first amorphous alloy and the second amorphous alloy through the rolling teeth, and filling the amorphous alloy powder between the adjacent rolling teeth. The rodent can well lock the amorphous alloy and lock the amorphous alloy powder.

Further, the first amorphous alloy and the second amorphous alloy are connected in a forming mode in a working cavity, and the working cavity provides the atmosphere.

Further, the atmosphere includes vacuum, an inert atmosphere, an air atmosphere, or a pure oxygen atmosphere.

Further, in S3, one of electromagnetic heating, discharging, plasma heating, and atmosphere heating is used to control the temperature of the connection interface of the first amorphous alloy and the connection interface of the second amorphous alloy, respectively. Preferably, the electromagnetic heating is better able to heat the connection interface of the first amorphous alloy and the connection interface of the second amorphous alloy.

Further, the amorphous alloy powder has a supercooled liquid region intersecting with the first amorphous alloy and the second amorphous alloy, which facilitates the amorphous alloy powder to be well connected to the first amorphous alloy and the second amorphous alloy.

Further, the grain size of the amorphous alloy powder is not more than 300 μm.

The manufacturing method of the block amorphous alloy has the beneficial effects that:

(1) amorphous alloy powder is filled in a connecting interface of the amorphous alloy, when the temperature rises to a cross supercooled liquid phase region of the amorphous alloy, the first amorphous alloy and the second amorphous alloy are in plastic flow and are connected under the mutual extrusion action, at the moment, the temperature of the amorphous alloy powder also reaches the supercooled liquid phase region, and the crystalline alloy powder is also in plastic flow under the action of pressure, wherein the large specific surface area of the amorphous alloy powder is favorable for being in contact connection with the first amorphous alloy and the second amorphous alloy, the crystalline alloy powder is small in size, and the amorphous alloy powder is also favorable for moving on the connecting interface of the first amorphous alloy and the second amorphous alloy, filling cracks and defects, and improving the quality of amorphous connection.

(2) Only the temperature rise treatment is carried out on the connecting interface of the amorphous alloy, so that the heat of the heated amorphous alloy part can be diffused to the unheated amorphous alloy part, the temperature reduction speed is improved, and the crystallization probability is reduced; in addition, only the temperature rise treatment is carried out on the connecting interface of the amorphous alloy, so that the change of material properties caused by heating the whole amorphous alloy can be avoided, and meanwhile, the energy consumption is reduced.

Also provides a bulk amorphous alloy which is prepared by the manufacturing method of the bulk amorphous alloy.

Drawings

The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.

Fig. 1 is a schematic structural diagram of an amorphous alloy arrangement of example 1.

Fig. 2 is a schematic structural diagram of the arrangement of the amorphous alloy in example 2.

Fig. 3 is a schematic structural diagram of the amorphous alloy arrangement of example 3.

Reference numerals:

a first amorphous alloy 11; a second amorphous alloy 12; amorphous alloy powder 13; a working chamber 2; pressure 3; ultrasonic vibration 4; heating 5; a microstructure 6; a polishing surface 7; rough surface 8.

Detailed Description

The invention is further described with reference to the following examples.

Example 1

In the method for manufacturing bulk amorphous alloy disclosed in this embodiment, the first amorphous alloy 11 and the first amorphous alloy 12 both contain Zr_41.2Ti_13.8Cu_12.5Ni₁₀Be_22.5And Tg is 623K and Tx is 700K, and a microstructure 6 which is relatively engaged is processed at the to-be-connected interface of the first amorphous alloy 11 and the first amorphous alloy 12 and is installed in the working chamber 2, and vacuum is maintained in the working chamber 2.

As shown in fig. 1, the relative position is adjusted, powder medium filling is performed at the middle position of the connection interface, amorphous alloy powder 13 is selected, the material of the amorphous alloy powder 13 is the same as that of the first amorphous alloy 11 and the first amorphous alloy 12, the grain diameter of the amorphous alloy powder 13 is 70 μm, pressure 3 is applied to the first amorphous alloy 11 and the first amorphous alloy 12, the pressure 3 is 100MPa, the connection interface between the first amorphous alloy 11 and the first amorphous alloy 12 is heated 5 to control the temperature, the temperature rise speed is 10K/s to 650K, the connection interface of the first amorphous alloy 11 and the connection interface of the first amorphous alloy 12 are subjected to ultrasonic treatment, the frequency of ultrasonic vibration 4 is 25kHz, the ultrasonic amplitude is 2 μm, and the ultrasonic power is 2kW until the first amorphous alloy 11 and the first amorphous alloy 12 are connected in a forming manner.

And repeating the steps to obtain the bulk amorphous alloy with the increased thickness, and continuing repeating the steps until the bulk amorphous alloy with the target thickness is obtained.

Example 2

In the method for manufacturing bulk amorphous alloy disclosed in this embodiment, the first amorphous alloy 11 contains Zr₄₄Ti₁₁Cu₁₀Ni₁₀Be₂₅Tg of 624K, Tx of 745K, the composition of the first amorphous alloy 12 being Zr_58.5Nb_2.8Cu_15.6Ni_12.8Al_10.3Tg is 674K and Tx is 754K. Polishing the to-be-connected interface of the first amorphous alloy 11 and the first amorphous alloy 12 to obtain a polished surface 7, and installing the polished surface in the working chamber 2, wherein nitrogen is filled in the working chamber 2.

As shown in fig. 2, the relative position is adjusted, and amorphous alloy powder 13 is filled in the middle position of the connection interface, the amorphous alloy powder 13 is made of Zr_58.5Nb_2.8Cu_15.6Ni_12.8Al_10.3The diameter of the amorphous alloy powder 13 is 30 micrometers, pressure 3 is applied to the first amorphous alloy 11 and the first amorphous alloy 12, the pressure 3 is 85MPa, the temperature of a connecting interface between the first amorphous alloy 11 and the first amorphous alloy 12 is controlled by heating 5, the temperature rising speed is 10K/s to 700K, the connecting interface of the first amorphous alloy 11 and the connecting interface of the first amorphous alloy 12 are subjected to ultrasonic treatment, the frequency of ultrasonic vibration 4 is 30kHz, the ultrasonic amplitude is 2 micrometers, the ultrasonic power is 3kW, and the connection of the first amorphous alloy 11 and the first amorphous alloy 12 is completed.

And repeating the steps to obtain the bulk amorphous alloy with the increased thickness, and continuing repeating the steps until the bulk amorphous alloy with the target thickness is obtained.

Example 3

In the method for manufacturing bulk amorphous alloy disclosed in this embodiment, the first amorphous alloy 11 contains Zr_41.2Ti_13.8Cu_12.5Ni₁₀Be_22.5Tg of 639K, Tx of 693K, and the composition of the first amorphous alloy 12 is Pd₄₇Ni₁₀Cu₃₀P₁₃， Tg628K and 674K for Tx. Roughening the to-be-connected interface of the first amorphous alloy 11 and the first amorphous alloy 12 by using No. 200 abrasive paper to obtain a rough surface 8, installing the rough surface in a working chamber 2, and filling nitrogen into the working chamber 2.

As shown in FIG. 3, the relative position is adjusted, and the amorphous alloy powder 13 is filled at the connection interface, wherein the amorphous alloy powder 13 is made of Zr_41.2Ti_13.8Cu_12.5Ni₁₀Be_22.5And the diameter of the powder is 60 mu m, applying a pressure 3 to the first amorphous alloy 11 and the first amorphous alloy 12, wherein the pressure 3 is 85MPa, heating the connection interface between the first amorphous alloy 11 and the first amorphous alloy 12 at 5 ℃ and the temperature rising speed is 10K/s to 650K, and completing the connection of the first amorphous alloy 11 and the first amorphous alloy 12.

And repeating the steps to obtain the bulk amorphous alloy with the increased thickness, and continuing repeating the steps until the bulk amorphous alloy with the target thickness is obtained.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.