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- A method to measure the AC magnetic permeability of magnetic material by the change of the induced electromotive force when the material is inserted into or pulled out from the coil. 摘要介绍了一种利用放入介质前后线圈两端感应电动势的变化来测量交流磁导率的方法,并推导了计算公式。
- The AC magnetic permeabilities of stainless steel rod and amorphous ribbon are measured by the method and the result is in accordance with other reported values. 本文还利用该种测量方法测量了不锈钢棒和非晶薄带的交流磁导率,结果与文献报道相符。
- Standard Test Method for AC Magnetic Permeability of Materials Using Sinusoidal Current 使用正弦电流的材料的交流磁渗透性的标准测试方法
- AC magnetic permeability 交流磁导率
- High magnetic permeability, low coercivity, anti-corrodent, can be dispose at the atmosphere, high stability. 高导磁率,低矫顽力,耐磨耐蚀,可在大气下处理,稳定性好。
- Hyperthermia therapy with AC magnetic field heating magnetic nanoparticles is a new kind of treatment method. 介绍了利用交变磁场加热治疗肿瘤中所需的磁场发生装置和温度检测等方向的研究进展。
- In electronics, pertaining to a material such as iron or nickel that has a very high magnetic permeability. 电子技术中,修饰说明诸如铁、镍一类具有很高磁导率的材料。
- Effective magnetic permeability of Fe-based metal glass Fe_(36)Co_(36)B_(20)Si_4Nb_4 as mutual iron core was measured using mutual induction method. 磁导率与输入频率之间的关系,并采用互感方法测量了铁基金属玻璃Fe36Co36B20Si4Nb4作为互感器铁芯的有效磁导率。
- The refractive index of a substance is determined by two properties known as the electrical permittivity and the magnetic permeability. 物质的折射率由两项性质决定,分别是介电常数和磁导率。
- When the DC magnetic field is maintained at a fixed value,there is a good linearity between the output signal and the AC magnetic field which is below 1 kA/m. 在恒定直流磁场及调制磁场强度小于1kA/m的条件下,系统输出信号大小随调制磁场强度线性增加;
- By using pulse signal inspiriting, induction voltage of secondary coil may be measured to calculate magnetic permeability and cable stress. 选用脉冲式的恒定电流激励,测量感应线圈上感应电压的变化来反映拉力的情况。
- In this paper, a new method for measuring the microstructure of malleable iron by employing the magnetic permeability is put forward. 提出利用材料的磁导率检测可锻铸铁金相组织及硬度的新方法。
- All such indications are not necessarily imperfections, however, since excessive surface roughness, magnetic permeability variations, etc., May produce similar indications. 所有这种磁痕并非必然地都是缺陷,因为表面过分粗糙,磁导率的变化等都可以产生类似的磁痕。
- The results show that remanence, magnetic permeability and core losses increase after annealing in longitudinal magnetic field, while decrease in transverse magnetic field. 横向磁场处理后非晶合金铁芯的剩磁、最大磁导率、损耗和矫顽力减小;
- The design project of the cast-iron crack of ENDT (Electronic Non-Destructive Testing) is put forward, according to the rule of magnetic permeability testing. 针对钢铁电磁无损检测中某些特殊钢铁材质检测结果不理想的情况,根据初始磁导率原理,提出了铸铁裂纹的电磁无损检测试验装置设计方案。
- STUDY ON DC AND AC MAGNETIC PROPERTIES FOR THE ALLOY OF HIGH PERMEABILITY 高磁导率合金的直流与交流磁特性研究
- Negative refraction studies originated from left-hand materials (LHM), which are materials with simultaneously negative dielectric permittivity and negative magnetic permeability. 其中所采用的数值方法有平面波展开法,时域有限差分法和有限元素法。
- Remanence is eliminated effectively by using software technique of AC magnetism modulation. 装置采取软件交流磁调制检测技术,有效抵消了剩磁效应。
- AC magnetic field induction heating device is the key device of tumor thermotherapy, which is the most difficult monitoring and controlling middle and high frequency strong magnetic field. 摘要交变磁场感应加热装置是肿瘤磁感应热疗的关键设备,其中对中高频强磁场设备的监控是个难点。
- Working characteristic of Fe-based metal glass Fe_(36)Co_(36)B_(20)Si_4Nb_4 core,the relationship of frequency,field current and induced voltage,the relationship of magnetic permeability and input frequency were studied. 研究了Fe36Co36B20Si4Nb4铁基环状金属玻璃作为互感器铁芯材料的工作特性,即频率、励磁电流与感应电压之间的关系;