磁化飽和特性

The magnetic specifications of ferromagnetic compounds can vary widely as a result of mechanical and/or thermal treatments. Specialists make us of these variations in magnetic specification to study the evolution of some solid state transitions. Magnetic measurements offer high sensitivity and allow the detection of very subtle metallurgical events.

磁化飽和特性 : Sigmameter

Sigmameter

独特的自动化质量控制仪器,用来测定铁磁混合物 Sigma仪是为测量材料的特殊饱和磁化而设计的。铁磁相变表征的参数原则上是与结构和样品形状无关的。当铁磁混合物放置在磁场内,它会被磁化。磁性随着磁场强度增加直到达到最高点。特殊饱和磁化是最大磁矩与材料质量的比率。(磁矩通过操作样品离开磁场来测定并测量线圈引起的电磁场强度)。鉴于样品在磁场内饱和,其整体是与样品值成比例的。读取单元微处理器与电磁场强度结合,计算值和铁磁相变的容量,把数据显示在数字显示装置上。

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