coercivity相关论文
The nanocrystalline magnets with nominal compositions of Sm1-xLuxCo6.8Zr0.2(x=0,0.2,0.4,0.6)were prepared directly by th......
THE INFLUENCES OF SOLUTION PH AND CURRENT DENSITY ON COERCIVITY OF ELECTROPLATING CoNdNiMnP PERMANEN
The influences of plating bath solution PH and current density on coercivity of electroplating CoNdNiMnP permanent magne......
Ferrous ion was transformed into feroxyhyte (δ-FeOOH) by oxidation. Then, manganese sulfate and zinc sulfate in some ra......
NiFe2O4 nanorods have been successfully synthesized via thermal treatment of the rod-like precursor fabricated by Ni-dop......
A simple method was developed to prepare the uniform hematite hollow submicro-spheres with controllable structure and di......
Experimental and theoretical researches on nanostructured exchange coupled magnets have been carried out since about 198......
A new strategy to chemically synthesize exchange-coupled SmCo5/Sm2Co17 nanocomposites by in situ decomposition of SmCox ......
The CoWP film with good magnetic performance and corrosion resistance was electrolessly plated from alkaline solution. T......
Coercivity and microstructure of sintered Nd-Fe-B magnets diffused with Pr-Co,Pr-Al,and Pr-Co-Al all
The commercial 42M Nd-Fe-B magnet was treated by grain boundary diffusion(GBD)with Pr70Co30(PC),Pr70Al30(PA)and Pr70Co15......
Optimization of both coercivity and knee-point magnetic field of Sm2Co17-type magnets via solid solu
It is confirmed that phase homogenization is very important for improving the magnetic properties of 2:17-type Sm-Co sin......
采用粉末冶金的方法制得2∶17型SmCo永磁体,通过对磁体进行X射线衍射(XRD)、振动样品磁强计(VSM)和磁力显微镜(MFM)等分析,较为系......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
将烧结NdFeB磁体进行机械破碎，得到粒径大小适用于制备粘结磁体的磁粉，其矫顽力很低．在700~1 050℃的温度范围内进行热处理．实验结果表......
设计了一种基于ARM的全自动矫顽磁力检测仪.该仪器以S3C2410为处理器,采用12位精度的串行AD TLV2544进行数据采集.将嵌入式Web服务......
The Fe/Pt multilayer films with different structures were deposited by RF magnetron sputtering on glass substrates, and ......
In order to study the magnetic properties and structure of very thin permalloy films, Ni81Fe19 films of 12 nm in thickne......
The two series of as-deposited and annealed Ti/Co/Ti thin films were deposited by magnetron sputtering onto glass substr......
In order to improve and stabilize the magnetic properties of nanocomposite Nd2Fe14B/α-Fe magnetic alloys by a compositi......
Amorphous (Nd,Pr)13Fe80Nb1B6 ribbons were crystallized at 670-730℃ for 5-25 min to study the effects of isothermal crys......
Sintered Sm(CobalFexCu0.1Zr0.03)7.5 (x=0.09-0.21) permanent magnets with higher Fe content were found to have higher rem......
FePt thin films and [FePt/Ag]n multilayer thin films were prepared by magnetron sputtering technique and subsequent anne......
Columnar Fe-N thin films with thickness ranging from 30 to 150 nm were deposited by direct current magnetron sputtering ......
Co/Pt multilayers with perpendicular anisotropy were deposited using a dc magnetron sputtering system under high vacuum.......
Microstructures and magnetic properties of Ce32.15Co49.36Cu9.84Fe9.65 magnet sintered at different t
The microstructures and magnetic properties of Ce32.15Co49.36Cu9.84Fe9.65 magnet sintered at the temperatures ranging fr......
FeNi multilayer films were prepared by EB-PVD technique. A modified TG-DSCapparatus was used to measure their Curie temp......
以交替真空溅射的方法使用成分分别为MnFe2O4与ZnFe2O4的双靶制备了成分变化的系列Mn1-xZnxFe2O4铁氧体薄膜,衬底为Si(100).薄膜的......
[FePt/Ag]n multilayers were deposited on glass substrates by RF magnetron sputtering and ex situ annealed at 550℃ for 3......
High coercivity was obtained in bulk RE(Dy)-Fe-C(B) alloys with RE=Nd, Pr and Mm. In the as-cast state, the samples show......
200 nm thick Fe-N magnetic thin films were deposited on glass substrates by RF sputtering. The as-deposited films havehi......
采用磁控溅射方法制备FePt(50 nm)和[FePt(2 nm,3 nm,5 nm)/C(1 nm)]n膜,并在550℃退火30 min,研究了周期数(n)对FePt/C系列多层膜......
软磁材料的矫顽力一般分布于零点附近。一方面 ,在零外加磁场状态下 ,测量易受到噪声的干扰 ;另一方面 ,相对使之达到饱和所施加的......
采用磁控溅射的方法,在石英玻璃上制备了Agx/FePd（67.5nm）（x=3.875、7.75、15.50、31、38.75nm）和FePd（67.5nm）/Agx（x=7.75、15.50、31nm）......
新冠肺炎疫情冲击全球经济的发展,使得企业之间的竞争更加激烈。增强企业产品的竞争力,拓宽企业的生存空间,开发质量稳定、性价比......
研究了 HDDR各向异性 NdFeB永磁材料的矫顽力机理.通过对材料磁化过程的研究以及对其显微组织结构的观察分析,发现其矫顽力机制起......
在SmCo/Cr薄膜中,Cr底层的取向结构对薄膜的磁学性能有很大的影响.设计了4因素3水平的正交实验L9(34),并通过数理统计的方法分析了......
在非线性项有一部分是次线性的条件下,运用临界点理论中的极小作用原理,得到了非自治二阶哈密尔顿系统周期解的存在性.......
通过溶胶-凝胶法制备了L10相CoPt磁性纳米颗粒.结果表明,不同热处理过程对CoPt纳米颗粒的结构和磁性有着明显的影响.磁性测试结果......
采用直流溅射多层膜结合退火技术,制备了不同富铁量的各向同性Fe-Pt纳米晶永磁薄膜.对这些永磁薄膜的研究表明:在500℃退火3 min～10......
采用直流磁控溅射法制备了Co1-xPtx合金薄膜,并详细研究了其结构和磁学性能随x变化的规律.通过XRD结构分析可知:溅射态的薄膜当x≤......
采用直流磁控溅射法制备了SmCo/Cr,SmCo/CrTi和SmCo/CrTi/Cr系列薄膜.SmCo薄膜的XRD结果表明:在Cr底层中添加Ti,得到的CrTi,CrTi/C......
研究了钙替代锶对钌氧化物磁学性质的影响,利用Curie-Weiss定律确定了样品的Weiss温度TP,利用交流磁化率随温度变化的关系确定样品......
在室温下,采用射频溅射模式和直流对靶溅射模式制备了C（60 nm）/CoCrPt（30 nm）/Ti（60 nm）系列薄膜.样品在高真空条件下进行30 min后退火,......
金属磁粉颗粒细小,具有较高的矫顽力和剩磁,是较为理想的高密度磁记录材料.金属磁粉自从1978年开始制作盒式磁带以来,其颗粒不断向......
采用磁控共溅射方法制备了非晶态的SmCo磁性薄膜，用振动样品磁强计（VSM）分析了薄膜的磁学性能，并通过原位后退火处理研究了其磁学性能......
采用射频磁控溅射法在玻璃基片上成功制得了TbFeCo系列非晶垂直磁化膜，研究了溅射工艺对SmTbFeCo薄膜性能的影响。结果表明：溅射气压......
利用磁控溅射法将厚度可控的B掺杂到FePt多层膜中，构成FePtB多层膜体系。多层膜结构采用中问层掺杂和底层掺杂等方式组合，由此研究热......
铁磁性材料构件处于不同生命周期阶段时,其矫顽力值处于磁滞回线特定位置点处。通过试验测试出起重机构件所用材料整个磁滞回线不......
利用改进的Preisach-DOK模型模拟得到了纵向钡铁硬磁盘及γ-Fe2O3软盘的磁滞回线、剩磁回线、可逆曲线，分析了两种样品的剩磁特性．研......
