Characterization of Creep Degradation of Modified 9Cr-1Mo Steel Using Magnetic Measurement

2019 ◽  
Vol 48 (5) ◽  
pp. 20180680
Author(s):  
Lin Zhu ◽  
Xinbao Liu ◽  
Ping Fan ◽  
Changlin Yang ◽  
Jianqiu Liu
Keyword(s):  
Magnetic Measurement ◽  
Creep Degradation

scholarly journals Synthesis and characterization of new complexes of Co+2 , Ni+2 , Cu+2 and Zn+2 with (Sodium acetate thio ) ethylene ligands

2013 ◽  
Vol 10 (3) ◽  
pp. 650-657
Author(s):  
Baghdad Science Journal
Keyword(s):  
Content Analysis ◽  
General Formula ◽  
Metal Content ◽  
Sodium Acetate ◽  
Magnetic Measurement ◽  
Synthesis And Characterization ◽  
Square Planar ◽  
Square Planar Complexes ◽  
Uv Visible

This research involves the preparation of new ligands 1,1,2,2- tetrakis (sodium acetate thio)ethylene(L1) and 1,1,2- tris(sodiumacetatethio) ethylene(L2), through the reaction of disodium thioglycolate) with tetra chloro ethylene or tri chloro ethylene in (1:4) or (1:3) moler ratio . Homodinucliar complexes of general formlu [M2(L1)] and [M2(L2)ClH2O] , when M= Co(II), Ni(II), Cu (II) and Zn(II) also mono nuclear complexes of general formula [M(L2)] . The prepared complexes were characterized using spectral method (UV/Visible/ IR) , metal content analysis , magnetic and atomic measurements . The spectral and magnetic measurement indicats that some complexes have tetrahedral or square planar complexes environtment .

scholarly journals Development of an undulator with a variable magnetic field profile

2021 ◽  
Vol 28 (2) ◽  
pp. 404-409
Author(s):  
Takashi Tanaka ◽  
Yuichiro Kida ◽  
Ryota Kinjo ◽  
Tadashi Togashi ◽  
Hiromitsu Tomizawa ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Magnetic Force ◽  
Mechanical Load ◽  
Magnetic Measurement ◽  
Variable Magnetic Field ◽  
Linear Actuator ◽  
Free Electron Lasers ◽  
Magnetic Field Profile ◽  
New Concepts

An undulator generating a magnetic field whose longitudinal profile is arbitrarily varied has been developed, which is one of the key components in a number of proposed new concepts in free-electron lasers. The undulator is composed of magnet modules, each of which corresponds to a single undulator period, and is driven by a linear actuator to change the magnetic gap independently. To relax the requirement on the actuator, the mechanical load on each module due to magnetic force acting from opponent and adjacent modules is reduced by means of two kinds of spring systems. The performance of the constructed undulator has been successfully demonstrated by magnetic measurement and characterization of synchrotron radiation.

SYNTHESIS AND CHARACTERIZATION OF TI (III), V (III),VO (IV), MOO (V),FE (II) AND FE (III) COMPLEXES OF BENZIL- 2,4-DINITROPHENYL HYDRAZONE P-BROMO ANILINE

2016 ◽  
Vol 2 (4) ◽  
pp. 177
Author(s):  
Raj Kamal Rastogi ◽  
Sonu Sharma ◽  
Gulshan Rastogi ◽  
Alok K. Singh
Keyword(s):  
Elemental Analysis ◽  
Magnetic Measurement ◽  
Measurement Data ◽  
Molar Conductance ◽  
Octahedral Geometry ◽  
Synthesis And Characterization ◽  
Distorted Octahedral Geometry ◽  
Distorted Octahedral ◽  
Uv Visible

The complexes of Benzil-2, 4-dinitrophenyl hydrazone-p- bromo aniline with Ti(III),V(III), VO(IV),MoO (V), Fe(II), Fe(III) have synthesized and characterized by elemental analysis, magnetic measurement data, molar conductance, TGA,UV-visible and IR spectra data. The complexes of Ti (III), V (III), Fe (II) and Fe (III) have octahedral geometry while VO (IV) and MoO(V) have distorted octahedral geometry due to the presence of M=O moiety.

Synthesis and Characterization of Pb(Fe1/2Ta1/2)O3

2007 ◽  
Vol 1034 ◽  
Author(s):  
Ricardo Martinez ◽  
R. Palai ◽  
R.S. Katiyar
Keyword(s):  
Raman Spectroscopy ◽  
Dielectric Properties ◽  
General Formula ◽  
Room Temperature ◽  
Magnetic Measurement ◽  
Synthesis And Characterization ◽  
Magnetic Orders ◽  
Sintering Processes

AbstractLead iron tantalate Pb(Fe1/2Ta1/2)O3 (PFT) is a compound derived of general formula Pb(BIxBII1-x)O3 wherein x=1/2. In this work synthesis, sintering processes, dielectric, electrical, magnetic measurement, and Raman spectroscopy properties of PFT ceramics are described. The dielectric properties of PFT showed typical relaxor behaviors. We saw that ferroelectric and magnetic orders coexist in PFT at room temperature.

Characterization of Superconducting PrBa2Cu3Ox

1998 ◽  
Vol 12 (29n31) ◽  
pp. 3242-3250
Author(s):  
Zhigang Zou ◽  
Jinhua Ye ◽  
Kunihiko Oka ◽  
Yoshikazu Nishihara
Keyword(s):  
Magnetic Field ◽  
Magnetic Fields ◽  
Single Crystals ◽  
Superconducting State ◽  
Magnetic Measurement ◽  
Stacking Faults ◽  
Critical Magnetic Field ◽  
Oxygen Annealing ◽  
X Ray

The crystal structures of superconducting and nonsuperconducting PrBa2Cu3O x crystals were investigated using a single crystal X-ray precession camera. A large amount of stacking faults were observed in h0l reflections of as-grown supconducting PrBa2Cu3O x single crystals. These diffusing could be relaxed after oxygen annealing. Meanwhile, intensities of 003n (n = 1, 2, 3…) diffraction reflections of annealed crystal were increased significantly, indicating that the structural ordering of 1/3n unit cell was improved. Magnetic measurement exhibited that the superconducting state of PrBa2Cu3O x , is sensitive to magnetic fields and the magnetic fields dependence of the flux melting temperature showed that the sample has the smaller critical magnetic field than YBa2Cu3O x.

scholarly journals Synthesis and characterization of novel four heterodimetallic mixed metal complexes of 2,6-pyridinedicarboxylic acid

2020 ◽  
Vol 34 (2) ◽  
pp. 313-321
Author(s):  
H. İlkimen ◽  
R. S. Canlıdinç
Keyword(s):  
Metal Ions ◽  
Metal Complexes ◽  
Magnetic Measurement ◽  
Thermal Analyses ◽  
Mixed Metal ◽  
Carboxylate Oxygen ◽  
Pyridinedicarboxylic Acid ◽  
Metal Metal ◽  
Mixed Metal Complexes

Four novel hetero dimetallic mixed metal complexes of 2,6-pyridinedicarboxylic acid       (H2dipic), [Ni(H2O)5Co(dipic)2] (1), [Co(H2O)5Co(dipic)2][Ni(H2O)5Ni(dipic)2][Co(dipic)(H2O)3] (2), [Cu(H2O)5Ni(dipic)2]2[Co(dipic)(H2O)] (3) and [Ni(H2O)5Cu(dipic)2]2[Co(dipic)(H2O)] (4) have been prepared and characterized by elemental, AAS, spectral (IR and UV-Vis), and thermal analyses, as well as by using magnetic measurement and molar conductivity techniques. The results indicate that metal ions coordinate with 2,6-pyridinedicarboxylate ions (dipic2-) nitrogen atoms and carboxylate oxygen atoms of ligands. The mole ratio of dipic2- and metal ions in the complexes have been determined to be 2:2 (Co, Ni) for 1, 5:5 (3Co, 2Ni) for 2, 5:5 (Co, 2Ni and 2Cu) for 3 and 5:5 (Co, 2Ni and 2Cu) for 4 according to the results of elemental analysis. The structures of 1-4 might be proposed as octahedral ([Cu(dipic)(H2O)] unit for 2 square plane) according to results of spectroscopic analysis. The TG and DTA properties of compounds have been studied.                     KEY WORDS: 2,6-Pyridinedicarboxylic acid, Mixed metal, Metal complex   Bull. Chem. Soc. Ethiop. 2020, 34(2), 313-321 DOI: https://dx.doi.org/10.4314/bcse.v34i2.9

FABRICATION AND MAGNETIC CHARACTERIZATION OF Au/Ni MULTILAYER NANOWIRE ARRAYS

2006 ◽  
Vol 05 (02n03) ◽  
pp. 183-187 ◽  
Author(s):  
FANG XU ◽  
KAI JIANG ◽  
HAOLING SUN ◽  
SONG GAO ◽  
DONGSHENG XU
Keyword(s):  
Easy Axis ◽  
Deposition Time ◽  
Structural Parameters ◽  
Magnetic Measurement ◽  
Perpendicular Magnetic Anisotropy ◽  
Nanowire Arrays ◽  
Anodic Aluminum ◽  
Measurement Results ◽  
Potential Applications

Ordered Au/Ni multilayer nanowire arrays have been fabricated into the pores of anodic aluminum oxide (AAO) templates by pulse DC electrodeposition. Structural parameters, such as nanowire length and layer thickness can be controlled by changing the deposition time and the pulse width. The magnetic measurement results indicate that these Au/Ni multilayer nanowire arrays have small coercivity and perpendicular magnetic anisotropy, which the easy axis is parallel to the nanowires. These Au/Ni multilayer structures are expected to be found potential applications in AC inductors or magnetic shielding.

scholarly journals Physico-chemical characterization of mixed-ligand complexes of Mn(III) based on the acetylacetonate and maleic acid and its hydroxylamine derivative

2005 ◽  
pp. 91-98 ◽  
Author(s):  
Suzana Cakic ◽  
Goran Nikolic ◽  
Jakov Stamenkovic ◽  
Sandra Konstantinovic
Keyword(s):  
Magnetic Measurement ◽  
Chemical Characterization ◽  
Mixed Ligand ◽  
Mixed Ligand Complexes ◽  
Spectroscopic Methods ◽  
Hydroxylamine Derivative ◽  
Acid Ligand ◽  
Physico Chemical ◽  
Structural Formulae

Two new Mn(III) mixed-ligand complexes with two acetylacetonate (acac) ligands and one maleate ligand and its hydroxylamine derivative of the general formula [Mn(C5H7O2)2L] were prepared. Their structure was established by using elemental analysis, FTIR and UV/VIS spectroscopic methods, as well as magnetic measurement. Replacement of the acetylacetonate ligand by the corresponding acid ligand has been confirmed in Mn(III) acetylacetonate. Based on the obtained experimental data and literature indications, structural formulae to these compounds were assigned.

scholarly journals The preparation and characterization of Cu(II) complexes with N, N’, N", N’’’-tetrakis(2-pyridylmethyl)-1, 4, 8, 11-tetraazacyclotetradecane and 2, 6-diacetylpyridine bis (semi/thiosemicarbazone)

2004 ◽  
Vol 69 (3) ◽  
pp. 187-193 ◽  
Author(s):  
Sladjana Tanaskovic ◽  
Gordana Vuckovic
Keyword(s):  
Antibacterial Activity ◽  
Ir Spectroscopy ◽  
Electronic Absorption ◽  
Magnetic Measurement ◽  
Mixed Ligand ◽  
Dinuclear Complex ◽  
Tetranuclear Complex ◽  
Elemental Analyses ◽  
Pentadentate Ligands

Two new Cu(II) mixed-ligand complexes with octadentate N,N?,N",N?"-tetrakis 2-pyridylmethyl))-1,4,8,11-tetraazacyclotetradecane (tpmc) and potentially pentadentate ligands 2,6-diacetylpyridine bis(semicarbazone) (DAPsc2) or 2,6-diacetylpyridine bis(thiosemicarbazone) (DAPtsc2) were prepared. The general formulas: [Cu4DAPsc2(tpmc)2]ClO4)8. 5CH3COCH3. H2O and [Cu2 DAPtsc2(tpmc)](ClO4)4. 7C2H5OH were proposed on the basis of elemental analyses and conductometric measurements. The complexes were characterized by magnetic measurement, electronic absorption and IR spectroscopy. For the dinuclear complex, an exo coordination of Cu(II) with four nitrogens from tpmc and ?-bonded DAPtsc2 through sulfurs and possibly terminal hydrazinic (azomethine) nitrogens is assumed. For the tetranuclear complex, it is supposed that one DAPsc2 bridges two [Cu2tpmc]4+ units using oxygens and terminal hydrazinic nitrogens as ligators. Finally, some antibacterial activity of the complexes was found.

scholarly journals Magnetic and Microwave Absorbing of Mn(1-x)NdxFe2O4 Synthesized with Co-Precipitation Method

2018 ◽  
Vol 19 (1) ◽  
pp. 17
Author(s):  
Mia Adha ◽  
Y. Yunasfi ◽  
N. Nurhasni
Keyword(s):  
Magnetic Measurement ◽  
Precipitation Method ◽  
Ferromagnetic Behavior ◽  
Phase Identification ◽  
Network Analyzer ◽  
X Ray ◽  
Formed Precipitate ◽  
Microwave Absorbing ◽  
Co Precipitation

Characterization of magnetic and microwave absorbing properties of Mn(1-x)NdxFe2O4 synthesized with co-precipitation method have been carried out. Mn(1-x)NdxFe2O4 (with x = 0.0; 0.4; and 0.8) powders was synthesized from mixture of NiCl2, NdCl3 and FeCl3 in mole ratio. Mixing of this powders were soluted with NH4OH 4M up to pH = 9.0. The formed precipitate were washed with demineralized water up to pH = 7.0 and then dryed at 120 oC for 5 h, sintered at 1200 for 3 h. Phase identification with X-ray diffractometer (XRD) have formed composite multiphases, which indicated by the appearance of MnFe2O4, NdFeO3 and Fe2O3 phase. The magnetic measurement using VSM (vibrating sample magnetometer) showed that the sample exhibited a ferromagnetic behavior, the Ms value is lower (in the range of 30 – 11 emu/g) while the Hc value is greater (in the range of 111 – 132 Oe) with increased concentration of Nd3+ ion (x values). Measurement by VNA (Vector Network Analyzer) showed the ability of absorption of microwaves increased with increasing content of Nd3+ ion, the composition of x = 0.0 at about 70% and addition of Nd3+ ion up to composition x = 0.8 at about 91%. Keywords: MnNd ferrite, co-precipitation methode, magnetic properties, microwave absorption

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