Conferences related to Chromium alloys

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2020 IEEE 21st International Conference on Vacuum Electronics (IVEC)

Technical presentations will range from the fundamental physics of electron emission and modulated electron beams to the design and operation of devices at UHF to THz frequencies, theory and computational tool development, active and passive components, systems, and supporting technologies.System developers will find that IVEC provides a unique snapshot of the current state-of-the-art in vacuum electron devices. These devices continue to provide unmatched power and performance for advanced electromagnetic systems, particularly in the challenging frequency regimes of millimeter-wave and THz electronics.Plenary talks will provide insights into the history, the broad spectrum of fundamental physics, the scientific issues, and the technological applications driving the current directions in vacuum electronics research.


2020 IEEE 70th Electronic Components and Technology Conference (ECTC)

ECTC is the premier international conference sponsored by the IEEE Components, Packaging and Manufacturing Society. ECTC paper comprise a wide spectrum of topics, including 3D packaging, electronic components, materials, assembly, interconnections, device and system packaging, optoelectronics, reliability, and simulation.


2020 IEEE International Conference on Plasma Science (ICOPS)

IEEE International Conference on Plasma Science (ICOPS) is an annual conference coordinated by the Plasma Science and Application Committee (PSAC) of the IEEE Nuclear & Plasma Sciences Society.


2020 IEEE International Magnetic Conference (INTERMAG)

INTERMAG is the premier conference on all aspects of applied magnetism and provides a range of oral and poster presentations, invited talks and symposia, a tutorial session, and exhibits reviewing the latest developments in magnetism.


2019 6th International Conference on Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA)

Nuclear instrumentation and measurement methods in nuclear environments are key aspectsthat contribute to the quality of scientific programmes in the fields of physics, energy, the fuelcycle and waste management. Furthermore, measurements relying on nuclear physics now playan important role in various fields of application such as biology, medicine and the environment.The ANIMMA conference aims at uniting, consolidating and organizing an international networkof scientific researchers and experts from industry, research institutes, academic dealing withnuclear instrumentation and applications).ANIMMA 2017 is the fifth of a series of conferences devoted to endorsing andpromoting scientific and technical activities based on nuclear instrumentation andmeasurements.The main objective of ANIMMA conference is to unite the various scientific communities not onlyinvolved in nuclear instrumentation and measurements, but also in methodology activities (R&D, Innovation and

  • 2017 5th International Conference on Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA)

    Nuclear instrumentation and measurement methods in nuclear environments are key aspects that contribute to the quality of scientific programmes in the fields of physics, energy, the fuel cycle and waste management. Furthermore, measurements relying on nuclear physics now play an important role in various fields of application such as biology, medicine and the environment. The ANIMMA conference aims at uniting, consolidating and organizing an international network of scientific researchers and experts from industry, research institutes, academic dealing with nuclear instrumentation and measurement methodology activities (R&D, Innovation and applications).ANIMMA 2017 is the fifth of a series of conferences devoted to endorsing and promoting scientific and technical activities based on nuclear instrumentation and measurements.The main objective of ANIMMA conference is to unite the various scientific communities not only involved in nuclear instrumentation and measurements, but also in

  • 2015 4th International Conference on Advancements in Nuclear InstrumentationMeasurement Methods and their Applications (ANIMMA)

    ANIMMA 2015 is the fourth of a series of conferences devoted to endorsing and promoting scientific and technical activities based on nuclear instrumentation and measurements. The main objective of ANIMMA conference is to unite the various scientific communities not only involved in nuclear instrumentation and measurements, but also in nuclear medicine and radiation. The conference is all about getting scientists, engineers and the industry to meet, exchange cultures and identify new scientific and technical prospects to help overcome both current and future unresolved issues. The ANIMMA conference provides scientists and engineers with a veritable opportunity to compare their latest research and development in different areas: physics, nuclear energy, nuclear fuel cycle, safety, security, future energies (GEN III+, GENIV, ITER, ...).

  • 2013 3rd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA)

    ANIMMA conference sets out to unite, consolidate and organize an international network of scientific, researcher and experts from industry, research institutes, academic dealing with nuclear instrumentation and measurement methodology activities (R&D, Innovation and applications).ANIMMA 2013 is the third of a series of conferences devoted to endorsing and promoting scientific and technical activities based on nuclear instrumentation and measurements The main objective of ANIMMA conference is to unite the various scientific communities not only involved in nuclear instrumentation and measurements, but also in nuclear medicine and radiation. The conference is all about getting scientists, engineers and the industry to meet, exchange cultures and identify new scientific and technical prospects to help overcome both current and future unresolved issues.

  • 2011 2nd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA)

    The aim of the conference is to bring together scientific, academic and industrial communities interested in, or actively involved in research and developments related to nuclear instrumentation and measurement methods.

  • 2009 1st International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA)

    The program is focused onnuclear instrumantation and measurement methods and deals with all measurement stage : modeling,radiation detection, in plie measurements, electronics, signal acquisition and analysis and training/education activities


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Periodicals related to Chromium alloys

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Advanced Packaging, IEEE Transactions on

The IEEE Transactions on Advanced Packaging has its focus on the modeling, design, and analysis of advanced electronic, photonic, sensors, and MEMS packaging.


Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Components and Packaging Technologies, IEEE Transactions on

Component parts, hybrid microelectronics, materials, packaging techniques, and manufacturing technology.


Device and Materials Reliability, IEEE Transactions on

Provides leading edge information that is critical to the creation of reliable electronic devices and materials, and a focus for interdisciplinary communication in the state of the art of reliability of electronic devices, and the materials used in their manufacture. It focuses on the reliability of electronic, optical, and magnetic devices, and microsystems; the materials and processes used in the ...


Dielectrics and Electrical Insulation, IEEE Transactions on

Electrical insulation common to the design and construction of components and equipment for use in electric and electronic circuits and distribution systems at all frequencies.


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Most published Xplore authors for Chromium alloys

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Xplore Articles related to Chromium alloys

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Field emission properties of carbon nanotube pillar arrays patterned directly on metal alloy surfaces

2008 IEEE International Vacuum Electronics Conference, 2008

Carbon nanotube pillar arrays (CPAs) for cold field emission were fabricated using a conventional photolithography process, and the geometry of these arrays was studied and the effect of pillar height on field emission was quantified. Our CPA samples achieved turn-on fields as low as 0.9 V/mum and stable current densities of 10 mA/cm<sup>2</sup> at applied field lower than 6V/mum.


Influence of hydrogen on magnetic properties of soft magnetic amorphous alloys

IEEE Transactions on Magnetics, 1990

The influence of electrolytic hydrogenation on the magnetic properties of three different kinds of amorphous alloys has been investigated. The alloys studied were Fe/sub 83.3/Si/sub 3.5/B/sub 11.2/C/sub 2/, Fe/sub 38/Ni/sub 38/Mo/sub 2/Si/sub 8/B/sub 14/, and (Co/sub 86/Fe/sub 5/Cr/sub 9/)/sub 75/Si/sub 10/B/sub 15/. The experimental results showed that after hydrogenation the samples became very brittle and the soft magnetic properties degraded ...


Effect of grain growth inhibitors on the hysteresis properties of Nd/sub 10/Fe/sub 82/C/sub 6/B/sub 2/ melt-spun alloys

IEEE Transactions on Magnetics, 2002

An effort has been made to improve the coercivity of nanocomposite Nd/sub 10/Fe/sub 82/C/sub 6/B/sub 2/ alloys, using small amounts (up to 1 at%) of Cr, Ti, Nb, Zr, and Ga. X-ray studies revealed that the amount of /spl alpha/-Fe phase in both as-spun and annealed ribbons was significantly reduced for Nb and Zr substitutions, but increased for all the ...


Investigation on the Properties of CuCr Contact Material after Cryogenic Treatment

Electrical Contacts - 2006. Proceedings of the 52nd IEEE Holm Conference on Electrical Contacts, 2006

CuCr contact material has been widely used for vacuum interrupters in medium- voltage applications. The microstructure of CuCr contact material is the important factor to determine the properties of vacuum interrupter. In this work CuCr alloys fabricated by normal powder metallurgy are processed by the cryogenic treatment. The microstructure and properties of the contact materials after cryogenic treatment are investigated. ...


Behavior of conductive microparticles under electric field in vacuum and their influence on breakdown characteristics

Proceedings ISDEIV. 19th International Symposium on Discharges and Electrical Insulation in Vacuum (Cat. No.00CH37041), 2000

Impulse breakdown voltage (BDV) for the gap which was injected with copper microparticles with a diameter from 7 to 500 /spl mu/m is measured. Electrode materials are copper, stainless steel, and an alloy of copper and chromium. In the short gap (approximately <5 mm), the BDV does not depend on the particle size or electrode material. However, in the long ...


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Educational Resources on Chromium alloys

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IEEE-USA E-Books

  • Field emission properties of carbon nanotube pillar arrays patterned directly on metal alloy surfaces

    Carbon nanotube pillar arrays (CPAs) for cold field emission were fabricated using a conventional photolithography process, and the geometry of these arrays was studied and the effect of pillar height on field emission was quantified. Our CPA samples achieved turn-on fields as low as 0.9 V/mum and stable current densities of 10 mA/cm<sup>2</sup> at applied field lower than 6V/mum.

  • Influence of hydrogen on magnetic properties of soft magnetic amorphous alloys

    The influence of electrolytic hydrogenation on the magnetic properties of three different kinds of amorphous alloys has been investigated. The alloys studied were Fe/sub 83.3/Si/sub 3.5/B/sub 11.2/C/sub 2/, Fe/sub 38/Ni/sub 38/Mo/sub 2/Si/sub 8/B/sub 14/, and (Co/sub 86/Fe/sub 5/Cr/sub 9/)/sub 75/Si/sub 10/B/sub 15/. The experimental results showed that after hydrogenation the samples became very brittle and the soft magnetic properties degraded dramatically, but saturation magnetization sigma /sub s/ and average hyperfine field increased markedly. As hydrogen evolved from the charged samples which were placed in air at room temperature, the magnetic properties, toughness, and average hyperfine field were gradually recovered.<<ETX>>

  • Effect of grain growth inhibitors on the hysteresis properties of Nd/sub 10/Fe/sub 82/C/sub 6/B/sub 2/ melt-spun alloys

    An effort has been made to improve the coercivity of nanocomposite Nd/sub 10/Fe/sub 82/C/sub 6/B/sub 2/ alloys, using small amounts (up to 1 at%) of Cr, Ti, Nb, Zr, and Ga. X-ray studies revealed that the amount of /spl alpha/-Fe phase in both as-spun and annealed ribbons was significantly reduced for Nb and Zr substitutions, but increased for all the other substitutions. From the magnetic properties point of view, Zr (1 at%) was proven to be the most advantageous of all, since it increased the coercivity of annealed ribbons from 3.2 to 4.8 kOe and the maximum energy product from 5.8 to 13 MGOe. This improvement is associated with the much finer and more uniform microstructure as was revealed by transmission electron microscopy.

  • Investigation on the Properties of CuCr Contact Material after Cryogenic Treatment

    CuCr contact material has been widely used for vacuum interrupters in medium- voltage applications. The microstructure of CuCr contact material is the important factor to determine the properties of vacuum interrupter. In this work CuCr alloys fabricated by normal powder metallurgy are processed by the cryogenic treatment. The microstructure and properties of the contact materials after cryogenic treatment are investigated. Test results show that cryogenic treatment result in fine microstructure of the contact material, especially in Cr composition in CuCr alloy. During the cryogenic process, the low temperature caused the particles in the microstructure to rearrange, which made copper and chromium compositions better distributed. Fine microstructure and uniform distribution of alloys are beneficial to improving the properties of contact materials. The resistance to the arc erosion has been improved greatly by the cryogenic treatment.

  • Behavior of conductive microparticles under electric field in vacuum and their influence on breakdown characteristics

    Impulse breakdown voltage (BDV) for the gap which was injected with copper microparticles with a diameter from 7 to 500 /spl mu/m is measured. Electrode materials are copper, stainless steel, and an alloy of copper and chromium. In the short gap (approximately <5 mm), the BDV does not depend on the particle size or electrode material. However, in the long gap (>5 mm), the BDV varies according to the particle size and electrode material. Compared with the short gap, incrementation of the BDV with an increase in gap length is gradual. For both gap ranges, the BDV under negatively charged particles is lower than the BDV under positive polarity. The effectiveness of electrode surface roughness on the BDV is small compared with the clear gap. Further, AC voltages are applied to a rod-plate gap which was injected in the particles in order to observe their dynamic behavior. The particles begin to move when the upper direction electrostatic force originated by the AC field competes to the gravity force acting on the particles, and are finally removed from the area where the electrostatic force exceeds the gravity force as a result of reflection movements between electrodes.

  • The Influence Of Head Geometry On Take-off Velocity

    None

  • Coupling effects in coptcrb thin film media

    None

  • Influence of Cr Underlayerfs Crystal Orientation on Magnetic Anisotropy of Co-Alloy Thin Films

    None

  • High permeability of Fe-Ni-Cr with ultra-high purity

    Effects of the balance of Ni, Cr, and impurities, particularly O and S, on magnetic properties of Fe-Ni-Cr soft magnetic alloys have been investigated. Initial permeability is shown to increase remarkably as Cr increases above 4%, at Ni content between 36% and 39%. Initial permeability increases drastically by a factor of two with decreasing O and S contents below critical threshold values. High permeability alloy can be obtained for Fe-38%Ni-8%Cr with O and S contents below critical threshold values (O<25 p.p.m., S<10 p.p.m.). The drastic decrease of coercive force is closely related to the growth of grain size. It is considered that there are a critical size and distribution of inclusions in the neighborhood of 10 approximately 20 p.p.m. of O and S contents, below which the growth of grain size and the motion of domain walls may not be disturbed by inclusions.<<ETX>>

  • The Perminvar effect in binary amorphous CoB alloys

    The time-temperature dependent Perminvar effect in amorphous Co/sub 100-x/B/sub x/ (x=17-30 at%) alloys was investigated in the temperature region of 150 to 450 K for stabilization times of up to 12 hours. After stabilization of the demagnetized domain structure the AC susceptibility (permeability) dependent on the driving magnetic field H shows a constant value up to the Perminvar critical field H/sub CR/. The fact that H/sub CR/ in CoB alloys can be higher than coercive field H/sub C/ is rather curious. In the Co/sub 75/B/sub 25/ alloy H/sub CR/ reaches values of 1.5 to 56 A/m dependent on the time and temperature of the stabilization. From the relative difference between two values of H/sub CR/ measured at two times t/sub 1/ and t/sub 2/ a magnetic relaxation spectrum similar to that obtained from reluctivity have been constructed. The kinetics of the H/sub CR/ increase measured at different temperatures indicates that relaxation parameters are equal to those obtained from the magnetic reluctivity aftereffect and that both effects have the same inherent nature.<<ETX>>



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