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钢中夹杂物的性质主要决定于强脱氧元素的相对含量。为获得具有良好变形能力的塑性夹杂物，必须采用低铝铁合金合金化，然后用适宜组成的合成渣，通过渣-铜、夹杂物-钢之间建立的局部反应平衡控制钢液中强脱氧元素含量，达到控制夹杂物成分的目的。以弹簧钢为例，根据热力学理论．分析了炼钢工序中可能影响夹杂物组成的各种工艺因素，为夹杂物形态控制的实践提供理论依据。
The nature of inclusions in steel mainly depends on the relative content of strong deoxidizing elements. In order to obtain a good deformation of plastic inclusions, we must use low aluminum alloy alloying, and then with the appropriate composition of the synthetic slag, slag - copper, inclusions - steel to establish a local reaction between equilibrium control of strong deoxidizing molten steel Content, to achieve the purpose of controlling inclusions. Take spring steel as an example, according to thermodynamic theory. The various process factors that may affect the composition of the inclusions during the steelmaking process are analyzed, providing a theoretical basis for the practice of inclusion shape control.