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STUDY ON EFFECT OF BAND MICROSTRUCTURES OF DEFICIENT PEARLITE PIPELINE STEEL ON PROPERTY
Author(s): Zhou Maoqi, Guo Shibao, Zhang Zhenshen, Gusn Liuhui
Pages: 8-
11,39
Year: 2011
Issue:
5
Journal: Henan Metallurgy
Keyword: DWTT; HIC;
Abstract: 通过光学显微镜和扫描电子显微镜对贫珠光体型管线钢的带状组织形貌进行观察,发现带状组织主要出现在钢的厚度中心,以伴有少量M/A相的珠光体带为主.带状组织的形成与成分偏析和TMCP工艺有密切关系,受工艺波动带状组织呈现出不同级别.本文通过对管线钢卷板和钢管的工业生产数据的统计分析,以及不同带状组织级别样品的对比试验,发现带状组织级别与材料强度、冲击功、DWTT剪切面积等力学性能指标无明显相关性,对材料...
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