The invention discloses a method for positioning the minimum
energy absorption position of a Charpy
impact sample and related equipment, and belongs to the field of weld Charpy
impact tests.The method comprises the steps that firstly,
Vickers hardness test data of the Charpy
impact sample are obtained; fitting
Vickers hardness test data to obtain a
hardness point matrix, and drawing a
hardness distribution color graph according to the
hardness point matrix; and finally, the minimum
energy absorption position of the Charpy impact sample is obtained through positioning by analyzing the hardness distribution color graph. According to the method, through fitting of
Vickers hardness test data and drawing of a hardness distribution color graph, the position of the center line of the Charpy impact sample can be accurately determined, namely, the position of the minimum
absorbed energy of the Charpy impact sample is positioned; according to the method, the distance between the center line of the Charpy impact sample of the pipeline steel
pipe with the same specification and the same process and the fusion line can be accurately positioned, an important reference basis is provided for determining the position of the center line of the Charpy impact sample in the subsequent inspection process, and the
data accuracy and the working efficiency are improved.