A method to improve the comprehensive performance of alloy materials based on the principle of "weaving injection molding"

Through the "injection molding" forming principle and hot isostatic pressing treatment, the internal "woven" structure of the alloy is prepared and particle-reinforced composite materials are used, which solves the problem of titanium alloy's strength, plasticity and wear resistance being difficult to strike a balance, and realizes the preparation of high-performance alloy materials to meet the needs of the aerospace field.

CN120394898BActive Publication Date: 2025-09-19INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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Patent Information

Application Number
CN202510900986.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-07-01
Publication Date
2025-09-19
Estimated Expiration
2045-07-01

AI Technical Summary

Technical Problem

Existing technologies make it difficult to simultaneously improve the strength, plasticity and wear resistance of titanium alloys. Existing methods are costly and have limited applicability, and cannot meet the demand for high-performance materials in the aerospace field.

Method used

Based on the 'injection molding' principle, the alloy's internal 'woven' structure is prepared and combined with hot isostatic pressing treatment, and a composite material of particle reinforcement phase and alloy powder is used to achieve enhanced plasticity and wear resistance of the material, making it suitable for alloy materials with different service conditions.

Benefits of technology

It significantly improves the comprehensive performance of alloy materials, including high strength, high plasticity and high wear resistance. It is suitable for a variety of alloy materials, breaks through the performance bottleneck of traditional methods, and meets the needs of the aerospace field.

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Abstract

The present invention relates to the field of metal manufacturing, and specifically to a method for improving the comprehensive performance of alloy materials based on the principle of "weaving injection molding". The method comprises the following steps: 1) determining the alloy composition for plasticization and enhancement based on the service requirements of the alloy; 2) preparing an internal "woven" structure of the alloy for enhancing plasticity and a solid frame for forming, and placing the "woven" structure for enhancing plasticity at a predetermined position in the frame; 3) injecting materials for increasing strength and wear resistance into the solid frame; 4) subjecting the filled formed frame structure to a vacuum degassing treatment and welding and sealing; 5) performing hot isostatic pressing to prepare the required alloy material. The present invention enables formed alloys or components to have the characteristics of high strength, high plasticity, high wear resistance and low weight, breaking through the current technical bottleneck of improving the comprehensive performance of materials in the aerospace field, and promoting the further application of metal materials in the aerospace field.
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