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利用金相显微镜、扫描电镜(SEM)和能谱分析(EDX)的方法对国内外帘线钢盘条夹杂物进行了对比研究。结果表明:日本神户、日本新日铁、国内A厂和C厂盘条夹杂物数量少,尺寸小;而韩国浦项、国内B厂和D厂所生产的盘条中夹杂物相对较多并发现一定数量较大尺寸夹杂。日本神户、日本新日铁、德国沙斯特、国内A厂和D厂盘条夹杂物大部分均处于相图的低熔点(不大于1400℃)可变形区域,韩国浦项、国内B厂和C厂盘条中的许多夹杂物不处在相图中的低熔点区。日本神户盘条的夹杂物中不含MgO,德国沙斯特、国内B厂和D厂盘条中夹杂物的MgO含量较高。
The comparison of inclusions in cord steel wire rod at home and abroad was carried out by means of metallographic microscope, scanning electron microscope (SEM) and energy dispersive spectroscopy (EDX). The results show that the number of wire rod inclusions in Kobe, Nippon Nippon Nippon Nippon Nippon Steel, domestic A and C plants is small and the size is small. However, there are relatively many inclusions in wire rods produced in Pohang, B and D in China A large number of larger inclusions were found. Most of the wire rod inclusions in Japan’s Kobe, Japan’s Nippon Steel and Germany’s Chaster, domestic A and D plants are in the low-melting (not more than 1400 ℃) deformable region of the phase diagram. Pohang, South Korea, Many of the inclusions in wire rod C are not in the low melting point zone in the phase diagram. Inclusion of Kobe wire rod in Japan does not contain MgO, the content of MgO is higher in inclusions in Chaster, Germany, domestic B and D wire rod.