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Electric shock repair treatment experimental method for hole defect of titanium alloy component

An experimental method and titanium alloy technology, applied in the field of titanium alloy structure repair, can solve the problems of high energy consumption and long processing time.

Inactive Publication Date: 2020-06-23
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although heat treatment can reduce the pores of additively manufactured titanium alloys, it consumes a lot of energy and takes a long time to process

Method used

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  • Electric shock repair treatment experimental method for hole defect of titanium alloy component
  • Electric shock repair treatment experimental method for hole defect of titanium alloy component

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0013] An experimental method for electrical shock repair treatment of pore defects in titanium alloy components, comprising the steps of:

[0014] 1) Preparation of experimental samples;

[0015] Using Ti-55531 powder as the raw material, a cylindrical titanium alloy sample (diameter Φ=4mm, height h=10mm) was obtained by laser direct forming additive manufacturing.

[0016] 2) Experimental process;

[0017] Place the additively manufactured cylindrical titanium alloy sample between the two electrodes of the electric shock treatment equipment, adjust the front-end input current and action time of the electric shock treatment equipment (current 70A, action time 0.08s), and perform electric shock treatment on the titanium alloy sample.

[0018] 3) Analysis of experimental results;

[0019] The changes in internal porosity of titanium alloy samples befo...

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PUM

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Abstract

The invention discloses an electric shock repair treatment experimental method for a hole defect of a titanium alloy component. The method includes the steps that 1), an experimental sample is prepared, wherein the cylindrical titanium alloy sample is manufactured; 2), the experimental process is carried out, wherein the titanium alloy sample is put between two electrodes of electric shock treatment equipment, the current and the action time of the electric shock treatment equipment are adjusted, and the titanium alloy sample is subjected to electric shock treatment; and 3), the experimental result is analyzed, wherein the change of the porosity in the titanium alloy sample before and after electric shock treatment is analyzed, and an experimental conclusion is obtained. By means of the method, the hole defect of titanium alloys is repaired and verification is obtained at low energy consumption within a short time, and the comprehensive performance of the titanium alloys can be improved.

Description

technical field [0001] The invention belongs to the field of titanium alloy structure repair, and in particular relates to an experimental method for electric shock repair treatment of pore defects in titanium alloy components. Background technique [0002] Metal additive manufacturing is a technology that uses metal powder as raw material, controls the size of parts and the parameters of additive manufacturing equipment through computer software, and uses digital models as the basis to construct physical objects by layer-by-layer printing. It can greatly shorten the product development cycle, reduce production costs and improve efficiency. However, due to the material additive forming process used in the additive manufacturing of titanium alloys, the titanium alloy materials continue to experience the alternating process of rapid heating and rapid cooling, resulting in the solidification and cooling speed of the laser beam molten pool and nearby parts faster than the surrou...

Claims

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Application Information

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IPC IPC(8): C22F3/00
CPCC22F3/00
Inventor 华林谢乐春郭豪杰
Owner WUHAN UNIV OF TECH
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