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The effect of Mn x Co (1-x) Fe 2 O 4 with x = 0, 0.25 and 0.5 as nanoparticles additives in magnethorheological fluid
Smart Materials and Structures ( IF 3.7 ) Pub Date : 2020-09-29 , DOI: 10.1088/1361-665x/abb354
Kacuk Cikal Nugroho 1 , Ubaidillah 1 , Budi Purnama 2 , Ahmad Mas’udi 3 , Nur Azmah Nordin 3 , Saiful Amri Mazlan 3 , Seung-Bok Choi 4
Affiliation  

This study focused on the effect of manganese substituted cobalt ferrite (Mn x Co 1– x Fe 2 O 4 ) nanoparticles with different mole ratios ( x = 0, 0.25 and 0.5) in magnetorheological fluids (MRF). The nanoparticles were synthesized using co-precipitation method. The irregularly–spherical form of the nanoparticles was observed/confirmed using a field emission scanning (FESEM) microscope. The vibrating sample magnetometer (VSM) was performed to analyze the effect of nanoparticles in MRF on their magnetic properties. The VSM test results show that the nanoparticles have a negative effect on the magnetic properties of MRF. The higher magnetic saturation of nanoparticles will reduce more magnetic saturation in MRF. This phenomenon shows that the direction of the magnetic field from the cobalt manganese ferrite has the opposite direction to MRF. It is also identified that the field-dependent rheological properties of MRF show ...

中文翻译:

Mn x Co(1-x)Fe 2 O 4(x = 0、0.25和0.5)作为纳米流变添加剂在磁流变液中的作用

这项研究集中于不同摩尔比(x = 0、0.25和0.5)的锰取代钴铁氧体(Mn x Co 1– x Fe 2 O 4)纳米粒子在磁流变流体(MRF)中的作用。使用共沉淀法合成纳米颗粒。使用场发射扫描(FESEM)显微镜观察/确认了纳米颗粒的不规则球形。进行了振动样品磁力计(VSM),以分析MRF中的纳米颗粒对其磁性的影响。VSM测试结果表明,纳米颗粒对MRF的磁性有负面影响。纳米粒子的较高磁饱和度将降低MRF中的更多磁饱和度。这种现象表明,来自钴锰铁氧体的磁场方向与MRF方向相反。
更新日期:2020-09-30
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