Abstract

An electromagnetic property control unit (EPCU) has been designed and fabricated at the machine-building enterprise AO NPO Pribor for nondestructive testing of the mechanical properties along the height of cylindrical vessels with a bottom made of grade 50 steel after hot deformation on a rolling–pressing line. A schematic diagram is given, the functioning of the unit is described, and a technique for nondestructive testing of the physical and mechanical properties of vessels on EPCU is presented. This technique is based on measuring the electromagnetic indicators of the properties of steel on vertically arranged samples. Relationships between the mechanical and physical properties are experimentally obtained, and the corresponding regression equations are derived. The experimental results simplify obtaining information about the quality of products, which makes it possible in the future to decrease the cost of production of wrought vessels made of grade 50 steel as compared to traditional product quality control.

中文翻译：

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轧压线出口沿钢容器高度控制机械性能的电磁装置的研制与使用

摘要

机械制造企业 AO NPO Pribor 设计并制造了一个电磁性能控制单元 (EPCU)，用于在滚压热变形后沿圆柱形容器的高度进行无损检测，底部由 50 钢制成——压线。给出了示意图，描述了该单元的功能，并提出了一种在 EPCU 上对容器的物理和机械性能进行无损检测的技术。该技术基于在垂直排列的样品上测量钢性能的电磁指标。通过实验得到了力学性能和物理性能之间的关系，并推导出了相应的回归方程。