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用定量金相试验法研究了渗碳时形成的颗粒碳化物组织的长大。结果指出,为形成大量弥散分布的颗粒碳化物,必须在渗碳初期使碳化物大量形核。
The growth of granular carbides formed during carburizing was studied by quantitative metallographic method. The results indicate that a large amount of carbides must be nucleated early during carburization in order to form a large amount of dispersedly distributed particulate carbides.