期刊
MATERIALS RESEARCH EXPRESS
卷 8, 期 6, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/2053-1591/ac0923
关键词
Shear spinning; mechanical properties; EBSD; texture; anisotropy; strain paths
This study investigated the effect of the alteration in the direction of forming during the shear spinning of C11000 copper metal on mechanical properties, microstructure, texture, and anisotropy. The change in strain path resulted in finer grains, more grain refinement, and changes in mechanical properties and textures, reducing the anisotropy in the material.
In this study, the effect of alteration in the direction of forming during the shear spinning of C11000 copper metal on mechanical properties, microstructure, texture, and anisotropy was investigated. Shear spinning causes the grains stretching along the axial direction besides increasing the grain length in the circumferential direction. Strain-path change in the shear spinning specimens has somewhat resulted in finer grains, more grain refinement, and a higher percentage of high-angle boundaries. More change of strain direction in the shear spinning specimens resulted in approximately 9% to 11% reduction in strength, from 1% to 9% decrease in hardness, and increased elongation from 7% to 37% more than in the specimen without path change. Shear spinning specimens in different paths had different orientations and texture intensities. In the specimen without strain-path change, most of the texture is related to {123}< 412 > orientation and copper texture with {112}< 111 > orientation. In the shear spinning specimens in other paths, textures with {001}< 100 >, {011}< 011 >, and {211}< 011 > orientations and brass texture with {110}< 112 > orientation were strengthened. Due to the change in texture and mechanical properties, the strain-path change in the shear spinning process reduced the anisotropy in the C11000 copper metal.
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