More than 20 pieces of failure wire drawing diamonddies were analyzed by SEM.
用扫描电子正微镜观察20多个失效金刚石拉丝模的模口形貌。
2
The polycrystalline diamonddies have longer services life, more accurate wire roundness and surface smoothness. They are in particular fitted to draw wearable wires with oversized size.