E-mail: [email protected]
20201112 · High strength and high conductivity (HSHC) Cu alloys are widely used in many fields, such as high-speed electric railway contact wires and integrated circuit lead
contact2004416 · Abstract. Methods used to strengthen metals generally also cause a pronounced decrease in electrical conductivity, so that a tradeoff must be made between
contactBased on the typical demand for advanced copper alloys by emerging industries and major engineering projects, such as electrical engineering, electronics, 5G communications,
contact2003630 · Therefore in this study a Cu–Cr alloy with Zr and Mg additions was spray formed to achieve high strength and high electrical conductivity. 2. Experimental
contact2022627 · Cu–Ni–Si alloy has a difficult combination of high strength and high electrical conductivity, which limits its further application in electronics industry. In this
contact2022318 · The aged CuCr1Zr alloy electrodes had higher electrical conductivity and better machining performance than the as-received alloy. The CuCo2Be alloy electrodes
contact202253 · Chromium copper alloys are high copper alloys, containing 0.6 to 1.2% Cr. The chromium copper alloys are used for their high strength, corrosion resistance and electrical conductivity. The chromium copper
contact202253 · Not surprisingly, it is primarily their relatively high copper content that gives this family of copper alloys their high conductivity. The high-copper alloy family includes,
contactElectrical Conductivity (I.A.C.S.) : 38-48 %. Termal Conductivity. : 110-150 W/ m.K. Coefficient of Thermal Expansion. : 20-100 ºC 17,0 X 10-6 /K. Working Temparature. : 3000 °C maks. CuBe2 uses as resistance
contactSolidsolution copper alloys with high strength and high ...May 01, 2013 0183 32Here, we designed copper alloys that exhibit high strength and conductivity by using solidsolution
contact2006415 · A new high-strength and high-conductivity Cu–Fe–P–B–Ce alloy strengthened by cold working and aging was designed. The mechanical properties and electrical conductivity of Cu–Fe–P and Cu–Fe–P–B–Ce alloys were measured, and the microstructures of the samples were analyzed with optical microscope and by
contact20201112 · Finally, a high strength and high conductivity Cu-Ni-Si alloy with a tensile strength of 923MPa and electrical conductivity of 47.2% IACS was predicted by using 36 experimental data through the ...
contact2022107 · HRSC is a heat-resistance copper alloy .And it has high erectric conductivity (equal to Phosphorus deoxidized copper‐C1220) and strength (par with brass‐C2600 and Phosphor bronze‐C5191) . Main
contact2019124 · Review of nano-phase e ects in high strength and conductivity copper alloys | 389 Figure 8: Hot processing maps of: (a) Al 2 O 3 -Cu/25W5Cr composite and (b) Al 2 O 3 -Cu/35W5Cr composite at 650 ...
contact2021225 · The over-aged Cu–Ni–Si alloy has an electrical conductivity of 46.2% IACS, an ultimate tensile strength of 789.1 MPa, a yield strength of 540.8 MPa, a fracture elongation of 17.8%, and a strength-elongation product of up to 15.3 GPa%. The addition of Ti transforms the dominant precipitation strengthening in Cu–Ni–Si alloys to a ...
contact2023323 · 1.Introduction. Traditional metallic materials, e.g. copper (Cu) and its alloys, are extensively applied to the semiconductor packaging in the electronics industry owing to their good thermal/conductive properties, plasticity and ductility as well as by occupying an outstanding position in the modern industrial system [[1], [2], [3]].However,
contact2019316 · enhancement of both tensile strength and electrical conductivity of Cu-Zr-B alloy through a double cold deformation and aging process [25]. So far, main studies report that the methods to fabricate high strength and high electrical conductivity Cu-Cr-Zr alloys are only focused on the one-step deformation and subsequent aging treatment [26,27 ...
contact19971222 · A new high-temperature-strength, high-conductivity Cu-Cr-Nb alloy with a Cr:Nb ratio of 2:1 was developed to achieve improved performance and durability. The Cu-8 Cr-4 Nb alloy studied has demonstrated remarkable thermal and microstructural stability after long exposures at temperatures up to 0.98 T{sub m}. This stability was mainly
contact2017224 · Micro-pillars having dimensions of 10 × 10 × 20 μm 3 were fabricated from the electroplated Au–Cu alloy films by focus ion beam and used in the uniaxial micro-compression tests. The highest yield stress of 1.15 GPa was achieved from the film electroplated at 6 mA/cm 2, which the grain size was about 5.3 nm with Cu content of
contactDuring operation, the Li–Al alloy anode showed high compatibility with the ASSB, preventing electrolyte decomposition. Owing to its high chemical stability and compatibility, the Li–Al alloy anode led to a high specific discharge capacity of 514 mAh g −1 at a relatively high rate of 1.0 C with a Li–S full-cell configuration. This ...
contact2004416 · Abstract. Methods used to strengthen metals generally also cause a pronounced decrease in electrical conductivity, so that a tradeoff must be made between conductivity and mechanical strength. We synthesized pure copper samples with a high density of nanoscale growth twins. They showed a tensile strength about 10 times higher
contact2022825 · Due to their excellent strength, plasticity and conductivity, the Cu–Cr alloys have been widely used in the railway transportation industries [], electrode materials [] and even ultra-large-scale integrated circuit lead frames [3,4,5], but the industrial application of binary Cu–Cr alloy is limited because of the poor softening resistance at high
contact2022525 · Copper alloys, combining optimized strength with high electrical and thermal conductivity, are analyzed in-depth, in order to meet the increasing requirements of today’s and tomorrow’s applications in the electrical and automotive industries. The conducted research analyzes alloys with up to 0.3 wt.% scandium, as an alloying
contact2023323 · 1.Introduction. Traditional metallic materials, e.g. copper (Cu) and its alloys, are extensively applied to the semiconductor packaging in the electronics industry owing to their good thermal/conductive properties, plasticity and ductility as well as by occupying an outstanding position in the modern industrial system [[1], [2], [3]].However,
contact2016426 · With good electrical conductivity and high strength, copper and copper based alloys are widely used for electrical components, such as electrical connectors, lead frames, conducting wires and so on [1–5].Presently, the research of copper alloys with high strength and high electrical conductivity is concentrated on Cu–Ag [6–8], Cu–Nb [9, 10],
contact2004416 · Pure copper samples with a high density of nanoscale growth twins are synthesized and show a tensile strength about 10 times higher than that of conventional coarse-grained copper, while retaining an electrical conductivity comparable to that of pure copper. Methods used to strengthen metals generally also cause a pronounced decrease
contactThe development of highly conductive materials with high strength is requisite for conductors of high-field magnets. To develop such materials, Cu-Ag alloys (2-60 at.%) and their fabrication methods have been investigated. The Cu-Ag alloys were prepared by melting electrolytic Cu and pure Ag pellets in an argon atmosphere, and then cold-drawn to a
contact201887 · Low electrical resistivity and high strength are a basic requirements for copper alloys.However,it has been widely known that these two properties are contradictory to each other:high electrical resistivity means extensive electron scattering by obstacles in the alloy,which in turn blocks dislocation movement to enhance mechanical strength.That
contactDuring operation, the Li–Al alloy anode showed high compatibility with the ASSB, preventing electrolyte decomposition. Owing to its high chemical stability and compatibility, the Li–Al alloy anode led to a high specific discharge capacity of 514 mAh g −1 at a relatively high rate of 1.0 C with a Li–S full-cell configuration. This ...
contact202151 · The main strengthening strategies for high-strength and high-conductivity copper alloys are work hardening, grain refined strengthening, and second phase strengthening, which is also the basic ...
contact2018710 · We designed an optimal procedure to prepare Cu-Ti alloy wires with an excellent combination of strength and electrical conductivity, by drawing conventional peak-aged alloys as well as over-aged ones. When drawing the peak-aged alloy, which exhibited the maximum hardness after aging and a low electrical conductivity, the strength of the
contact2020526 · Cu–Cr–Zr alloys are one of the most researched materials for electrical applications due to their excellent electrical and thermal conductivities, outstanding tribological characteristics, and high mechanical strength [1,2,3,4,5].In the last several decades, severe plastic deformation (SPD) has usually been implemented before aging
contact2003213 · Research Progress and Prospect on High Strength, High Conductivity, and High Heat Resistance Copper Alloys LEI Qian 1 , YANG Yihai 1 , XIAO Zhu 2 , JIANG Yanbin 2 , GONG Shen 2 , LI Zhou 2 1 State Key Laboratory of Powder Metallurgy, Central South University, Changsha , China 2 School of Materials Science and
contact2006415 · CALPHAD-based design and preparation of high-strength, high-conductivity Cu–Fe–Zr alloys. A novel precipitation strengthening Cu–Fe–Zr alloy was designed and prepared based on the results of calculation of the phase diagram. After solid solutionizing, rolling and aging at 450 °C for 1 h,….
contact2020108 · For comparison, AMZIRC has the highest available thermal conductivity of high-heat-flux copper alloys at 92.5% OFHC Cu, and GlidCop Al-15’s is approximately 80% OFHC Cu [Citation 78]. Extruded GRCop-42’s lower alloying content provides significantly fewer scattering sites, which results in a thermal conductivity ∼86.5% OFHC Cu at room ...
contact2016426 · With good electrical conductivity and high strength, copper and copper based alloys are widely used for electrical components, such as electrical connectors, lead frames, conducting wires and so on [1–5].Presently, the research of copper alloys with high strength and high electrical conductivity is concentrated on Cu–Ag [6–8], Cu–Nb [9, 10],
contact2023323 · 1.Introduction. Traditional metallic materials, e.g. copper (Cu) and its alloys, are extensively applied to the semiconductor packaging in the electronics industry owing to their good thermal/conductive properties, plasticity and ductility as well as by occupying an outstanding position in the modern industrial system [[1], [2], [3]].However,
contact199731 · A wire‐conductor fabrication method has been developed for Cu–Ag alloys containing 2–60 at. % Ag where high strength and high conductivity conductors are obtained by cold working combined with Expand
contact19971222 · A new high-temperature-strength, high-conductivity Cu-Cr-Nb alloy with a Cr:Nb ratio of 2:1 was developed to achieve improved performance and durability. The Cu-8 Cr-4 Nb alloy studied has demonstrated remarkable thermal and microstructural stability after long exposures at temperatures up to 0.98 T{sub m}. This stability was mainly
contactPrecipitation strengthened high strength, high conductivity Cu-Cr-Nb alloys produced by chill block melt spinning A series of Cu-based alloys containing 2 to 10 a/o Cr and 1 to 5 a/o Nb were produced by chill block melt spinning (CBMS). The melt spun ribbons were consolidated and hot rolled to sheet to produce a supersaturated Cu-Cr-Nb solid solution
contact