ΗΛΕΚΤΡΟΝΙΚΗ ΔΙΕΥΘΥΝΣΗ: [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
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
contact2004416 · Abstract. Methods used to strengthen metals generally also cause a pronounced decrease in electrical conductivity, so that a tradeoff must be made between
contact2019826 · With good mechanical and physical properties, high strength and high conductivity copper alloy is widely used in the field of electricity, electron, machinery, etc.
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
contact20191219 · 1. Introduction. In electrical application fields, the requirement of copper matrix composites with the combination of high electrical conductivity (>50% International Annealed Copper Standard (IACS)) and high strength has been greatly increased [[1], [2], [3]].The incorporation of low-content fine particles, instead of solid solution strengthening,
contact20201112 · 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 frames. Pure Cu is well known to have excellent electrical conductivity but rather low strength. The main concern of HSHC Cu alloys is how to strengthen the alloy efficiently.
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 procedure. A copper alloy with the composition of Cu–1.33 wt.% Cr–0.78 wt.% Zr–0.09 wt.% Mg was prepared by spray forming. The experimental details have been reported elsewhere [4].
contactTian et al. [ 26] reported that the electrical conductivity of the Cu-1.0Zr alloy was 80% IACS and the microhardness reached 155 HV after solution treatment at 900 ∘ C for 1 h and aging at 500 ∘ C for 1 h. Furthermore, after aging at 450 ∘ C for 6 h, a large amount of the Cu 10 Zr 7 phase precipitated in the copper matrix.
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
contactTLDR. 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
contact199891 · The CuNiBe alloys exhibit very good combination of strength and conductivity at room temperature, with yield strengths of 630-725 MPa and electrical conductivities of 65-72% International Annealed Copper Standard (IACS). The strength remained relatively high at all test temperatures, with yieldmore »
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
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 ...
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 procedure. A copper alloy with the composition of Cu–1.33 wt.% Cr–0.78 wt.% Zr–0.09 wt.% Mg was prepared by spray forming. The experimental details have been reported elsewhere [4].
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
contactin table 1. In general, there is a tradeoff between high strength and high conductivity, with the highest strength Cu alloys (>1GPa yield stress) having thermal conductivities <250Wm−1K−1 and the highest thermal conductivity alloys (>350Wm−1K−1) having yield strengths below 350MPa in as-wrought or solutionized and aged (SA) conditions. Some
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 ...
contact2017824 · Copper alloys can be strengthened by aging, resulting in high strength and electrical conductivity, along with adequate thermal conductivity. Copper alloys are widely used in electrical switching contact bridges, as separation rings, coal-fired power plant burner nozzles, and spot welding electrodes.[1,2,3] According to the Cu-Zr binary phase
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 ...
contact20131129 · Computer-aided design of alloys is becoming increasingly useful, replacing the completely experimental approach. The computer-aided approach significantly reduces the cost of alloy design and more easily leads to optimum properties by reducing the amount of experimentation. Design of high-strength, high-conductivity alloys is a
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
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
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 ...
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
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 ...
contact2022922 · MZC 1 is a chromium · zirconium type copper alloy, and is a high strength · highly conductive type copper alloy which achieves both tensile strength of 600 MPa and conductivity of 80% IACS. As an industrial material, it is regarded as one of the copper alloy systems in a region which is closest to the ideal region.
contactCast high copper alloys (C81400-C83299) have designated copper contents in excess of 94%, to which silver may be added for special properties. Not surprisingly, it is primarily their relatively high copper content that gives this family of copper alloys their high conductivity. Pure copper is the optimal material for electric current conductors.
contact2023118 · Tungsten–copper (W–Cu) composites are typical bimetal materials composed of immiscible tungsten and copper, which inherit the advantages of both tungsten and copper, such as high strength and hardness, excellent wear and arc erosion resistance, good electrical and thermal conductivity, etc. [1,2].It is widely used in vacuum contacts
contact21 · Silver has the highest conductivity of all metals. The high conductivity, softness (low hardness), and high resistance to oxidation make silver an excellent choice for contact materials. Silver is strengthened with copper and other alloy additions, but at the sacrifice of conductivity. Fine silver is silver with very high purity (99.99% Ag).
contactCOPPER and its alloys constitute one of the major groups of commercial metals. They are widely used because of their excellent electrical and thermal conductivity, outstanding resistance to corrosion, and ease of fabrication, together with good strength and fatigue resistance. They are generally nonmagnetic. They can be readily brazed, and many ...
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