标题：The Measurement of Mechanical Properties of Pipeline Steels in Service through Continuous Ball Indentation Test
作者：Yan Yang;Weiqiang Wang;Mingda Song;
作者机构：[Yan Yang;Weiqiang Wang;Mingda Song]Shandong University
来源：Abstract Book of 14th International Conference on Pressure Vessel Technology(ICPVT-14)
关键词：Continuous ball indentation test;Mechanical properties;Non-destructive test;Pipe steel.
摘要：With the development of petroleum,chemical and energy industries and urban gas network,the amount of pipelines in China has grown rapidly in recent years,meanwhile it leads more accidents.The main reason is that some pipelines have grad lally served into their late period or even extend period of th...