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Effect of Mechanical Stresses on the Magnetic Characteristics of Pipeline Steels of Different Classes

机译:机械应力对不同等级管线钢磁性能的影响

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The paper is concerned with the effect of applied macrostress on the magnetic characteristics of pipeline steels. Magnetic hysteresis parameters are examined as a function of tensile stress, tangential stress, and internal pressure. The study is performed on the hot-rolled 1010 steel alloyed with Mn and Si, widely used in Russia, on the X42SS steel designed specially for operation in hydrogen-containing media and on the X70 steel produced by controlled rolling and intended for heavy-duty trunk pipelines. The results obtained are discussed in terms of the development of non-destructive physical techniques for the diagnosis of the current state of pipe material in course of operation.
机译:本文关注施加的宏观应力对管线钢磁性能的影响。将磁滞参数作为拉伸应力,切向应力和内部压力的函数进行检查。该研究针对的是在俄罗斯广泛使用的,与Mn和Si合金化的热轧1010钢,专为在含氢介质中运行而设计的X42SS钢以及通过受控轧制生产并用于重载的X70钢干线管道。根据无损物理技术的发展对所获得的结果进行了讨论,以用于诊断操作过程中管道材料的当前状态。

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