Effect of Injection Speed on Microstructure and Mechanical Properties of Electroforming Copper
In order to prepare electroforming copper with good performance,the scanning jet process was applied to conduct electroforming for studying the effect of jet speed on the mechanical properties and cross-sectional microstructure of electroforming copper.The results show that the mechanical properties of the electroforming copper are not significantly enhanced at low injection speeds,but the elongation is optimized to a certain extent.The strength and hardness of the electroforming copper are greatly improved at a high injection speed,while the grain size is uniform and refined,and the grain orientation is more consistent.At the jet speed of 8.3 m/s,the tensile strength of the electroforming copper reaches 448 MPa.
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