Effect of high-density pulsed electric current on residual stress relief and microstructural modification of cold-bent commercially pure titanium
The effect of high-density pulsed electric current (HDPEC) on removing residual stress of the
cold-bent commercially pure titanium TP270 was investigated. After HDPEC treatment, the
tensile residual stress on the external surface decreased from 287.75 MPa to 77.33 MPa,
and the internal compressive residual stress recovered from− 166.56–1.28 MPa. In addition,
the hardness on the external and internal surfaces showed the same tendency and almost
recovered to the initial state. The microstructural characterization showed that the cold …
cold-bent commercially pure titanium TP270 was investigated. After HDPEC treatment, the
tensile residual stress on the external surface decreased from 287.75 MPa to 77.33 MPa,
and the internal compressive residual stress recovered from− 166.56–1.28 MPa. In addition,
the hardness on the external and internal surfaces showed the same tendency and almost
recovered to the initial state. The microstructural characterization showed that the cold …
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