拉棒。拭子透过镜头在枪口的方向。 顶。
Pull . the rod and swab out through the muzzle in the direction of the. shot…
GH105合金冷拉棒表面存在的碎晶层和其内部的显微裂纹是热处理裂纹源。
It is suggested that the broken crystal layer and microcracks in surface layer of the cold drawn rod is the source of the heat treatment induced cracks.
实验结果表明,热处理前去掉冷拉棒表面的碎晶层可以防止它在热处理过程中产生裂纹。
Experiment results show that removing the surface broken crystal layer of the cold drawn rod can prevent heat treatment induced cracks.
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