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结合氧气瓶钢和重轨成品材中出现的探伤缺陷,剖析了其中存在的大型夹杂物的形态、组成及其来源;并对各类夹杂来源所占的百分含量进行了初步的检验和估算。证明探伤缺陷处的夹杂主要是耐火材料类夹杂。
Combining with flaw detection in oxygen cylinder steel and heavy rail finished products, the morphology, composition and origin of the large inclusions in it were analyzed. The preliminary tests and estimations of the percentages of various inclusions were carried out . Proof flaw detection inclusions are mainly refractory inclusions.