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B type inclusions
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B type inclusions
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工学
钢中非金属夹杂物
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B type inclusions
B型夹杂物
一种钢中的夹杂物。是氧化铝类夹杂。这类夹杂物大多不变形,形态比较小(一般小于3),黑色或带蓝色带角的颗粒,沿轧制方向排成一行,至少有三个颗粒,如氧化铁(FeO)、氧化锰(MnO)、二氧化硅(SiO2)、氧化铝(Al2O3)、氧化钙(CaO)等。
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