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本发明是介绍一种制造单取向硅钢的改进工艺。晶粒取向硅钢的铁损是度量电磁设备优劣的一项重要参数。由于铁损高会产生不需要的热量使效率降低,特别是在高磁感下工作的先进设备必须有较低的铁损。本发明介绍了一种降低单取向含硼硅钢铁损的方法。更确切地说就是通过严格控制脱碳氢气的露点来降低铁损。根据这一目的,本发明提供一种改进的方法。
The present invention is to introduce an improved process for manufacturing unoriented silicon steel. Grain-oriented silicon steel iron loss is a measure of the pros and cons of electromagnetic equipment is an important parameter. Since iron loss is high, unwanted heat is generated, resulting in lower efficiency. In particular, advanced equipment that operates at high magnetic induction must have a low iron loss. The present invention describes a method of reducing iron loss in a unoriented boron-containing silicon steel. More precisely, iron loss is reduced by strictly controlling the dew point of the decarbonized hydrogen. In accordance with this object, the present invention provides an improved method.