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为了合理的利用金属的塑性,减少裂纹和增加管子横截面的稳定性,必须减少空减径;空减径减少可以改善管材表面质量。给出了中等尺寸 BT_(1-0)钛合金管采用锌扩散涂层,空减径由1～2毫米减少到0.1～0.2毫米的冷轧工艺流程,退火间的道次延伸率和总延伸率。在轧制之前,管坯内外表面采用由表面活性物质 on—10,并以滑石粉作为充填剂组成的粘稠润滑剂进行润滑。轧制时管子外面浇锭子油。结果指出:锌涂层完全
In order to make reasonable use of metal plasticity, reduce cracks and increase the stability of the cross-section of the pipe, it is necessary to reduce the empty reduction; empty reduction can reduce the pipe surface quality. The results show that the zinc diffusion coating of the medium size BT_ (1-0) titanium alloy tube is reduced by 1 ~ 2 mm to 0.1 ~ 0.2 mm, the pass reduction rate and the total extension rate. Prior to rolling, the inner and outer surfaces of the tube were lubricated with a viscous lubricant consisting of the surfactant on-10 and with talc as a filler. Rolling pipe poured outside the spindle oil. The results indicate that the zinc coating is complete