Development and Performance Research of 1×1 Steel Cord
1×1 steel cord was developed and its performance was researched.The results showed that 1×1 steel cord that met the design requirements could be obtained by using both straightening with a straightener and twisting and revers-twisting processes,and the residual torsion of the steel cord straightened by the straightener was more stable,while the straightness of the steel cord twisted and revers-twisted was better.With the material determined,the bending stiffness and low load elongation of 1×1 steel cord were mainly related to the diameter,but had little relationship with the strength.Under the test pressure of 1500 MPa,the Hunter fatigue performance of 1×0.30ST steel cord was better than that of 2×0.30ST steel cord.
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