Copper Spacer Sleeve CNC Brass Machining Parts

The phase transformation stress is when the structure changes during the heat treatment of the forging, because the mass and volume of different structures are different, the mass and volume of the forging must change. Due to the temperature difference between the surface and the core of the forging, the surface and core structure are not changed in time, so that the internal and external mass and volume changes will cause internal stress. This kind of internal stress caused by the non-timeliness of the tissue transformation is called phase transformation stress.

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