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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
contact2022125 · Cu alloys with high strength, high electrical conductivity (EC) and good softening resistance (SR) are urgently needed in many fields. A Cu-1.06 wt% Fe-0.44
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.
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
contact199891 · The CuNiBe alloys exhibit very good combination of strength and conductivity at room temperature, with yield strengths of 630-725 MPa and electrical
contact2 · Cu-ETP (Copper Electrolytic Tough Pitch) is a commonly used copper alloy known for its high conductivity and corrosion resistance. Other materials that can be
contactCopper Alloy Name High Conductivity Alloys; NKE012 NKE010; Specific Gravity (g/cm 3) 8.92: 8.70: Modulus of Elasticity (GPa) 128: SH:123 ESH:113: Electrical Conductivity
contactA copper alloy excellent in general properties such as heat resistance, electric and heat conductivity and mechanical strength and suitable for use as materials for lead frames of electronic parts, heat exchanger fins, or the like can be obtained by optimizing the Fe and Ti contents and proportions of a Cu-Fe-Ti ternary alloy and adding thereto a suitable
contactCDA No. 19240 The characteristic of original KFC™ has been brushed up.. SuperKFC™ has small amount of iron and phosphorus in chemical compositions, and is hardened by Fe 2 P precipitates in copper matrix
contactA copper base alloy achieves a breakthrough electrical conductor product of strength, flexure and conductivity of minimal inverse in relationship of at least 85% IACS electrical conductivity while providing an 80 to 85 ksi tensile strength, an increase of at least 33% in strength compared to prior art and is made from an alloy containing 0.2-0.5 w/o
contact(12) A method for producing a high-strength, high-conductivity copper alloy wire that is excellent in resistance to stress relaxation, comprising: rough drawing the copper alloy according to any one of (1) to (3), to form a wire rod; subjecting the wire rod to a solution treatment; drawing at a reduction ratio of from 0.7 to 4; aging at from 400° C. to 600° C.
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.
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
contact2007312 · The invention relates to a high-strength high-conducting copper-base alloy material and a preparation method thereof. The material contains (wt %) Cr 0.65-1.2, Zr 0.065-0.12, Mg 0.01-0.05, rare earths 0.01-0.03, and Cu in balance. The copper-base alloy with tensile strength more than 600Mpa, hardness more than 170Hv, elongation rate
contact2003213 · Abstract: High strength, high conductivity, and high heat resistant copper alloys are widely used in the fields of rail transit, electronic communications, navigation control, and other fields. In this work, Cu-Ag, Cu-Ni-Si, Cu-Cr-Zr, Cu-Al 2 O 3 , and Cu-Cr-Nb alloys with service temperature over 300 ℃ were reviewed.
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
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 ...
contact201629 · To address the trade-off between strength and electrical conductivity, we propose a strategy: introducing precipitated particles into a structure composed of deformation twins. A Cu-0.3%Zr alloy ...
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
contact2003213 · Abstract: High strength, high conductivity, and high heat resistant copper alloys are widely used in the fields of rail transit, electronic communications, navigation control, and other fields. In this work, Cu-Ag, Cu-Ni-Si, Cu-Cr-Zr, Cu-Al 2 O 3 , and Cu-Cr-Nb alloys with service temperature over 300 ℃ were reviewed.
contact201684 · (a) A sample of Cu–6Ni–1.5Si alloy that was air-cooled after solution heating and aging at 500 °C for 7 h. The image shows a typical microstructure of a normally precipitated alloy.b
contact2022910 · Heat treatment method for making high strength and conductivity Cu–Cr–Zr alloy G B Lin School of Materials Science and EngineeringUniversity of Science and Technology Beijing, Beijing , China Correspondence
contact2021910 · In this work, the Cu-1.5Ni-1.1Co-0.6Si-0.1Cr alloy with high strength and electrical conductivity was designed. The strength of the alloy can reach 857 MPa and the conductivity is 42.8% IACS. It is worth noting that the elongation can reach 7%, which is 35% higher compared with the high strength and conductivity Cu-Ni- Co-Si alloy.
contact19971222 · Abstract. Copper alloys with high strength and high thermal and electrical conductivity have received a lot of attention over the last decades. Most of such efforts have concentrated on the development of alloys containing fine, dispersed particles, and using rapid solidification techniques to ensure a sufficient volume fraction and sufficient
contact202035 · : Cu–30Ni–5Nb，、、。. ，800～950 ℃，Cu–30Ni–5Nb，900 ℃（1178.92 ℃）；Cu–30Ni–5Nb ...
contact2023322 · Cu-HCP, also known as high-conductivity copper, is a high-performance copper alloy that is known for its exceptional electrical conductivity and excellent corrosion resistance. This versatile alloy is commonly used in a wide range of applications and industries, and can be fabricated into a variety of forms to meet specific requirements.
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.
contactPhone ; E-mail ; Address Caoguangbiao Room 117
contactRecent Advances in the Research of High-strength and High-conductivity CuCrZr Alloy. Haoqi HU 1,2 ,Cheng XU 2 ,Lijing YANG 2 ,Henghua ZHANG 1 ,Zhenlun SONG 2. With the development of the transportation, electric
contact199864 · 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 intermediate heat treatment. The intermediate heat treatment is repeated 3–4 times at 350–450 °C for 1–2 h at appropriate stages of reduction of area.
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
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
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
contactHigh 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.
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
contact2021824 · Zhang S L, Yi Z M. High-strength and high-conductivity copper alloys: Designing considerations and their application [J]. Mater. Rev., 2003, (11): 26 6 , . [J]. , 2003, (11): 26 7
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.
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