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Continuous semi-solid slurry preparing device and method capable of inhibiting segregation of Sn element in ZCuSn10P1 alloy

A semi-solid slurry and alloy technology, applied in the field of material science, can solve the problems of high production cost, difficult temperature control, easy oxidation during processing, etc., and achieve the effect of less intergranular segregation and reduced concentration

Active Publication Date: 2019-07-12
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still some shortcomings in semi-solid metal processing technology. For example, thixoforming has disadvantages such as high production cost, long production cycle, uneven structure, and easy oxidation during processing; The transportation is difficult and the temperature is difficult to control

Method used

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  • Continuous semi-solid slurry preparing device and method capable of inhibiting segregation of Sn element in ZCuSn10P1 alloy
  • Continuous semi-solid slurry preparing device and method capable of inhibiting segregation of Sn element in ZCuSn10P1 alloy
  • Continuous semi-solid slurry preparing device and method capable of inhibiting segregation of Sn element in ZCuSn10P1 alloy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as Figures 1 to 5 As shown, the device for continuously preparing semi-solid slurry that suppresses the segregation of ZCuSn10P1 alloy tin elements includes a control cooling device, a quasi-isothermal device and a pouring turntable device;

[0031] The control cooling device includes a sprue cup 1, an operating table 2 and an inclined plate 6, and the similar isothermal device includes a reaction kettle 10, a floating block 11, an induction heater 12, an induction heater control device 13 and a floating block 11, and a pouring turntable device Including a graphite crucible 3, a rotary table 4, a rotary control device 5 and a rotary power mechanism;

[0032]The sprue cup 1 is inserted into the operation table 2, the bottom of the sprue cup 1 is connected to the inclined plate 6, the outlet at the bottom of the inclined plate 6 is connected to the upper end of the top of the reaction kettle 10, and the reaction kettle 10 is uniformly equipped with induction heaters...

Embodiment 2

[0041] Such as Figures 1 to 5 As shown, the device for continuously preparing semi-solid slurry that suppresses the segregation of tin elements in the ZCuSn10P1 alloy includes a control cooling device, a quasi-isothermal device and a pouring turntable device;

[0042] The control cooling device includes a sprue cup 1, an operating table 2 and an inclined plate 6, and the isothermal device includes a reaction kettle 10, a floating block 11, an induction heater 12, an induction heater control device 13 and a floating block 11, and a pouring turntable device Including a graphite crucible 3, a rotary table 4, a rotary control device 5 and a rotary power mechanism;

[0043] The sprue cup 1 is inserted into the operation table 2, the bottom of the sprue cup 1 is connected to the inclined plate 6, the outlet at the bottom of the inclined plate 6 is connected to the upper end of the top of the reaction kettle 10, and the reaction kettle 10 is uniformly equipped with induction heaters...

Embodiment 3

[0047] Such as Figures 1 to 5 As shown, the device for continuously preparing semi-solid slurry that suppresses the segregation of tin elements in the ZCuSn10P1 alloy includes a control cooling device, a quasi-isothermal device and a pouring turntable device;

[0048] The control cooling device includes a sprue cup 1, an operating table 2 and an inclined plate 6, and the isothermal device includes a reaction kettle 10, a floating block 11, an induction heater 12, an induction heater control device 13 and a floating block 11, and a pouring turntable device Including a graphite crucible 3, a rotary table 4, a rotary control device 5 and a rotary power mechanism;

[0049] The sprue cup 1 is inserted into the operation table 2, the bottom of the sprue cup 1 is connected to the inclined plate 6, the outlet at the bottom of the inclined plate 6 is connected to the upper end of the top of the reaction kettle 10, and the reaction kettle 10 is uniformly equipped with induction heaters...

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Abstract

The invention relates to a continuous semi-solid slurry preparing device and method capable of inhibiting the segregation of an Sn element in ZCuSn10P1 alloy and belongs to the technical field of material science. The continuous semi-solid slurry preparing device capable of inhibiting the segregation of the Sn element in the ZCuSn10P1 alloy comprises a cooling control device, an isothermal-like device and a pouring rotating disc device. In a solidification process, segregation inhibiting treatment is carried out on the alloy slurry, staged cooling control is carried out on melt through an inclined board melt cooling channel, and then, isothermal-like treatment is carried out on the slurry so as to promote the solid dissolving of the Sn element in a primary solid phase and reduce the concentration of the Sn element in a liquid phase. Finally, an even semi-solid melt structure with little inter-crystalline segregation is obtained.

Description

technical field [0001] The invention relates to a device and method for continuously preparing semi-solid slurry for suppressing the segregation of ZCuSn10P1 alloy tin elements, belonging to the field of material science and technology. Background technique [0002] The research on semi-solid metal forming processes (SSM) began in the early 1970s. The principle is to change the nucleation and growth process of the primary phase in the metal solidification temperature range, including vigorous stirring, Add grain refiner, rapid solidification, etc., so as to obtain a liquid-solid mixed slurry with near-spherical primary phase particles. This semi-solid slurry has a lower temperature than liquid metal, but has good fluidity, which is conducive to Further processing and shaping. [0003] Semi-solid metal forming methods include rheological forming and thixoforming. The pulping process of rheological deformation is: during the cooling process, the metal melt is vigorously stir...

Claims

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Application Information

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IPC IPC(8): B22D1/00
CPCB22D1/00
Inventor 周荣锋王静波李璐李永坤蔡培霖蒋业华
Owner KUNMING UNIV OF SCI & TECH
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