Semi-solid Thixo-forming of In-situ Reactive Spray Formed TiC<sub>p</sub>/7075Al Matrix Composites

Hu Nusitu1; Xu Ping2; Liu Huimin2

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Semi-solid Thixo-forming of In-situ Reactive Spray Formed TiC_p/7075Al Matrix Composites
Vol. 29, Issue 4, Pages: 331-333(2009)
Published： 2009 ，
DOI：

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[1]呼努斯图,许萍,刘慧敏.TiC_P/7075铝基复合材料的半固态触变成形[J].特种铸造及有色合金,2009,29(04):331-333+290.

Hu Nusitu1, Xu Ping2, Liu Huimin2. Semi-solid Thixo-forming of In-situ Reactive Spray Formed TiC_p/7075Al Matrix Composites. [J]. Special Casting & Nonferrous Alloys 29(4):331-333(2009)
[1]呼努斯图,许萍,刘慧敏.TiC_P/7075铝基复合材料的半固态触变成形[J].特种铸造及有色合金,2009,29(04):331-333+290. DOI：

Hu Nusitu1, Xu Ping2, Liu Huimin2. Semi-solid Thixo-forming of In-situ Reactive Spray Formed TiC_p/7075Al Matrix Composites. [J]. Special Casting & Nonferrous Alloys 29(4):331-333(2009) DOI：

摘要

用原位反应喷射沉积法制备TiCP/7075铝基复合材料

并进行半固态触变成形试验

研究了TiCP/7075铝基复合材料的半固态触变成形性及其成形后的微观组织与力学性能。结果表明

该材料具有良好的半固态触变成形性

在成形压力仅为20～25MPa的条件下

就能够进行半固态触变成形。在625℃进行半固态触变成形后

其组织仍能保持均匀的等轴晶特征

平均晶粒尺寸为30～40μm;半固态触变成形试件经T6处理后其硬度HRB为82～85。

Abstract

Semi-solid thixo-forming of in-situ reactive spray formed TiCp/7075 aluminum matrix composites was carried out. Thixoformability of in-situ reactive spray formed TiCp/7075 aluminum matrix composites

and microstructure and mechanical properties of the thixoformed products were investigated. It is found that the composites exhibit desirable semi-solid thixoformability

which can be performed semi-solid thixoforming with pressure at 20

5 MPa. Uniformly distributed equiaxed grain in the microstructure with average grain size in 30

0 μm can be still observed with semi-solid thixo-forming at 625 ℃. The hardness of the thixoformed composites reaches 82

5HRB after T6 heat treatment.

关键词

半固态触变成形原位反应喷射沉积TiCP/7075铝基复合材料

Keywords

Semi-solid ThixoformingIn-situ Reactive Spray FormationTiCp/7075 Aluminum Matrix Composites

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Semi-solid Thixoforming of In-situ Reactive Spray Formed TiC_p/7075 Al matrix Composites

Study Status of Semi Solid Forming for Light Alloys

Semi-solid Thixo-forming of In-situ Reactive Spray Formed TiCp/7075Al Matrix Composites

DOI：

摘要

Abstract

关键词

Keywords

references

Semi-solid Thixo-forming of In-situ Reactive Spray Formed TiC_p/7075Al Matrix Composites