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Journal articles on the topic 'Aluminum copper alloys. Copper-zinc alloys'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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1

Mounika, G. "Closed Loop Reactive Power Compensation on a Single-Phase Transmission Line." International Journal for Research in Applied Science and Engineering Technology 9, no. VI (2021): 2156–59. http://dx.doi.org/10.22214/ijraset.2021.35489.

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Zinc-aluminium alloys are alloys whose main ingredients stay zinc and aluminium. Other alloying elements clasp magnesium and copper .Zinc Aluminum Alloys over the past decayed are occupying attention of both researches and industries as a promising material for tribological applications. At this moment commercially available Zinc-Aluminium alloys and bearing bronzes due to good cost ability and unique combination of properties. They can also be deliberated as competing material for cast iron, plastics and even for steels. It has been shown that the addition of alloying elements including coppe

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2

Wang, Chong Bi, Xiao Dong Kong, and Zhi Qiang Tian. "Evaluation of the Protection Effect on Copper with Different Sacrificial Anodes." Advanced Materials Research 602-604 (December 2012): 579–83. http://dx.doi.org/10.4028/www.scientific.net/amr.602-604.579.

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Sacrificial anodes performance of three iron alloys was measured by constant current test, The protection effects of iron alloys, zinc alloy and aluminum alloy sacrificial anodes on copper tube were compared and analysed by polarization test. The results show that all three iron alloys appearing well sacrificial anodes performance, with steady working potential, high practical electric capacity and current efficiency, the corrosion is uniform and the corrosion products fall easily. Iron alloys are more suitable for application on the cathodic protection of copper tube due to their more suitabl

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3

Karzhavin, V. V., L. V. Maltsev, and V. V. Bakina. "Study on Surface Layers of Aluminum and Titanium Alloys and Analysis of their Scuff Resistance." Solid State Phenomena 284 (October 2018): 1248–51. http://dx.doi.org/10.4028/www.scientific.net/ssp.284.1248.

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To reduce the risk of scoring copper or zinc coatings were applied to the samples in molten salts at a temperature of 350-500°C. Using ion sputtering and Auger electron spectroscopy the depth of the surface layers and the grain size in the coating were determined. Samples were plates 0.5-0.7 mm thick made of titanium and aluminum alloys. For copper-coated alloys a coating zone up to 10 μm and a diffuse zone up to 6 μm which is intermediate between the coating and the substrate can be distinguished in the surface layers. For zinc-coated aluminum alloys there is one zone of 5-7 μm which is an al

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4

Fridlyander, I. N. "High-Strength Aluminum Alloys with Zinc, Magnesium, and Copper." Metal Science and Heat Treatment 45, no. 9/10 (2003): 341–43. http://dx.doi.org/10.1023/b:msat.0000009777.50737.71.

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5

Michalik, Rafał, and Tomasz Mikuszewski. "The Influence of Addition of the Rare Earth Elements on the Structure and Hardness of AlZn12Mg3.5Cu2.5 Alloy." Solid State Phenomena 226 (January 2015): 39–42. http://dx.doi.org/10.4028/www.scientific.net/ssp.226.39.

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Aluminium alloys are characterized by a number of advantageous properties , which include: low density ,high relative strength , high electrical and thermal conductivity , ease of machining and good dumping features. Particular interesting are high-strength aluminum alloys of zinc, magnesium and copper. These alloys are used mainly in aircraft, building &structure, electrical, electrical power and automotive industry. A significant problem associated with the use of high-strength aluminium-zinc alloys is their insufficient resistance to corrosion. Improvement of corrosion resistance can be

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6

Michalik, Rafał, and Bartosz Chmiela. "The Influence of the Solutionizing and Ageing on the Structure and Hardness of the ZnAl40Cu3 Alloy." Solid State Phenomena 226 (January 2015): 91–94. http://dx.doi.org/10.4028/www.scientific.net/ssp.226.91.

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Zn-Al alloys are mainly used due to their tribological properties as an alternative material for bronze, cast irons and aluminum in a bearings and as a construction material. Particular interesting is Zn-40Al-3Cu alloy due to its features. Improvement of the alloy’s features can be obtained by silicon addition, plastic working, heat treatment – solutionizing and ageing. In the article have been shown results of the ZnAl22Cu3 alloy examination as - cast and subjected solutionizing and ageing 385 oC/10h + 175 oC/1h and 385 oC/10h + 175 oC/10h. The scope of examination included: structure testing

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7

Shargaev, E. O., and I. N. Pashkov. "The research of interaction of zinc solders with aluminum alloys during friction application." Vektor nauki Tol'yattinskogo gosudarstvennogo universiteta, no. 4 (2020): 58–66. http://dx.doi.org/10.18323/2073-5073-2020-4-58-66.

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Nowadays, due to the search for more efficient and steady processes of aluminum combination and the products that cannot be manufactured using flux, the issue of application of flux-free soldering methods for aluminum-based alloys is highly relevant. The lack of the description of the processes and mechanisms of flux-free soldering by the technique of friction of the solder on the aluminum surface makes it urgent to study and describe them in detail. To carry out the study, the authors produced zinc-based alloys and prepared solder rods using the hot pressing method. Using the technique of fri

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8

Small, M. B., D. A. Smith, and A. J. Garratt-Reed. "Segregation of copper in dilute aluminum - copper alloys." Scripta Metallurgica et Materialia 30, no. 12 (1994): 1531–34. http://dx.doi.org/10.1016/0956-716x(94)90303-4.

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9

Raghavan, V. "Al-Cu-Zn (Aluminum-Copper-Zinc)." Journal of Phase Equilibria and Diffusion 28, no. 2 (2007): 183–88. http://dx.doi.org/10.1007/s11669-007-9025-x.

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10

Raghavan, V. "Al-Cu-Zn (Aluminum-Copper-Zinc)." Journal of Phase Equilibria and Diffusion 31, no. 1 (2009): 41–42. http://dx.doi.org/10.1007/s11669-009-9620-0.

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11

ICHIMURA, Minoru, Yasushi SASAJIMA, and Mamoru IMABAYASHI. "Hydrogen solubility in aluminum-copper alloys." Journal of Japan Institute of Light Metals 39, no. 9 (1989): 639–45. http://dx.doi.org/10.2464/jilm.39.639.

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12

Ichikawa, Kiyoshi, Masahito Katoh, and Fumio Asuke. "Continuous Rheocasting for Aluminum-Copper Alloys." MATERIALS TRANSACTIONS 43, no. 9 (2002): 2285–91. http://dx.doi.org/10.2320/matertrans.43.2285.

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13

Kutuev, R. A., Victor A. Sozaev, and A. Kh Shermetov. "Surface Properties of Copper-Aluminum Alloys." Materials Science Forum 1022 (February 2021): 224–28. http://dx.doi.org/10.4028/www.scientific.net/msf.1022.224.

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The polytherms of density, surface tension of the Cu-Al system melts and wetting angles of Ni-Cr, Co-Cr substrates, 25X18H9C2 stainless steel and titanium were studied by the sessile drop method. The drop contour was processed by dint of current information technologies, in particular, using the ImageJ software package [1]. The equations of density polytherms and surface tension of the Cu-Al system melts were established. It was shown that Cu-Al melts wet the substrates at 1000 K and more. We revealed the features of temperature dependences of the wetting angles.

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14

Tannyan, N. J., G. Plascencia, and T. A. Utigard. "High Temperature Oxidation of Copper and Copper Aluminum Alloys." Canadian Metallurgical Quarterly 41, no. 2 (2002): 213–18. http://dx.doi.org/10.1179/cmq.2002.41.2.213.

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15

Schneider, Matthew S., Bimal Kad, Daniel H. Kalantar, et al. "Laser shock compression of copper and copper–aluminum alloys." International Journal of Impact Engineering 32, no. 1-4 (2005): 473–507. http://dx.doi.org/10.1016/j.ijimpeng.2005.05.010.

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16

Negrete, J., Y. H. Zhu, and G. Torres-Villaseñor. "Effect of Copper Modification on Impact Strength of Zinc-Aluminum Alloys." Materials Transactions, JIM 35, no. 5 (1994): 332–35. http://dx.doi.org/10.2320/matertrans1989.35.332.

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17

Ovsyannikov, Boris V., and Viktor M. Zamyatin. "Behavior of Scandium in Aluminum Alloys of Different Alloying Systems." Materials Science Forum 794-796 (June 2014): 1002–7. http://dx.doi.org/10.4028/www.scientific.net/msf.794-796.1002.

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Microstructure and composition of elements in phases of homogenized ingots in aluminum alloys of various alloying systems: Al-Mg-Mn-Si, Al-Mg-Si-Cu, and Al-Zn-Mg-Cu, were examined using a method of scanning electronic microscopy and X-ray microanalysis. Besides basic alloying elements of magnesium, zinc, copper, silicon, and manganese, alloy composition contained additional alloying elements, including zirconium and scandium. Presence of intermetallic compounds of various chemical composition insoluble during ingot homogenization was found in microstructure of examined samples. It is found tha

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18

Rodrigues, Luiz Erlon A., Antônio A. V. F. Carvalho, Antônio L. M. Azevedo, Cecília B. B. V. Cruz, and Antônio Wanderley C. Maia. "Odontologic use of copper/aluminum alloys: mitochondrial respiration as sensitive parameter of biocompatibility." Brazilian Dental Journal 14, no. 1 (2003): 32–36. http://dx.doi.org/10.1590/s0103-64402003000100006.

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Copper/aluminum alloys are largely utilized in odontological restorations because they are less expensive than gold or platinum. However, tarnishing and important corrosion in intrabuccal prostheses made with copper/aluminum alloys after 28 days of use have been reported. Several kinds of food and beverage may attack and corrode these alloys. Copper is an essential component of several important enzymes directly involved in mitochondrial respiratory metabolism. Aluminum, in contrast, is very toxic and, when absorbed, plasma values as small as 1.65 to 21.55 µg/dl can cause severe lesions to the

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19

Aamir, Muhammad, Riaz Muhammad, Majid Tolouei-Rad, Khaled Giasin, and Vadim V. Silberschmidt. "A review: microstructure and properties of tin-silver-copper lead-free solder series for the applications of electronics." Soldering & Surface Mount Technology 32, no. 2 (2019): 115–26. http://dx.doi.org/10.1108/ssmt-11-2018-0046.

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Purpose The research on lead-free solder alloys has increased in past decades due to awareness of the environmental impact of lead contents in soldering alloys. This has led to the introduction and development of different grades of lead-free solder alloys in the global market. Tin-silver-copper is a lead-free alloy which has been acknowledged by different consortia as a good alternative to conventional tin-lead alloy. The purpose of this paper is to provide comprehensive knowledge about the tin-silver-copper series. Design/methodology/approach The approach of this study reviews the microstruc

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20

Drewien, C. A., R. G. Buchheit, K. R. Zavadil, and T. E. Neil. "Copper enrichment on Al 2024 surface after de-oxidizing treatment." Proceedings, annual meeting, Electron Microscopy Society of America 51 (August 1, 1993): 860–61. http://dx.doi.org/10.1017/s0424820100150137.

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Coatings of lithium-aluminum-carbonate-hydroxide are being developed for corrosion protection of aluminum alloys against atmospheric and saline environments. Coating is performed by immersion of the aluminum part into a lithium carbonate-lithium hydroxide solution of pH=11.5. Before coating, the aluminum alloy is degreased in trichloroethylene, cleaned in a sodium carbonate-sodium silicate bath, and de-oxidized in nitric acid containing ammonium biflouride. Coating of most aluminum alloys is easily accomplished, and the coatings pass the ASTM B117 salt spray test. However, aluminum alloys that

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21

Chapke, Yashwant, Dinesh Kamble, and Saoud Md Salim Shaikh. "Friction welding of Aluminium Alloy 6063 with copper." E3S Web of Conferences 170 (2020): 02004. http://dx.doi.org/10.1051/e3sconf/202017002004.

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Friction welding process is a forging welding process in which work piece are joined due to heat produced by friction between two joining surfaces and upset pressure is applied by non-rotating work piece. Joining of aluminum alloy with dissimilar material is important research area to focus on as maximum aircraft structures havexx Aluminum alloy frame and aerospace designers familiar with Aluminum alloy and its design considerations. After comparison of mechanical properties and application of light weight alloys aluminum alloys, tungsten, stainless steel and copper, copper selected as dissimi

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22

Kaiser, Samiul, та Mohammad Salim Kaiser. "IMPACT OF COLD PLASTIC DEFORMATION AND THERMAL POST-TREATMENT ON THE PHYSICAL PROPERTIES OF COPPER BASED ALLOYS Al-BRONZE AND α-BRASS". Acta Metallurgica Slovaca 27, № 3 (2021): 114–21. http://dx.doi.org/10.36547/ams.27.3.951.

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The copper based alloys Al-bronze and α-brass containing each of 10wt% aluminum and zinc were prepared by casting. Afterwards, the specimens were cold-rolled with various percentages of deformation and the cold-rolled samples were aged subsequently at the varied time for four hours and temperatures ranging up to 500°C. Samples underwent characterizations by microhardness testing, electrical resistivity, optical properties, differential scanning calorimetry as well as microstructure analysis using an optical microscope. The results showed that the hardening of Cu-based alloys was taken place du

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23

Berghof-Hasselbächer, E., P. J. Masset, L. Zhang, et al. "Microstructures of Erbium Modified Aluminum-Copper Alloys." Practical Metallography 49, no. 7 (2012): 396–411. http://dx.doi.org/10.3139/147.110177.

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24

Dimitrov, N., J. A. Mann, and K. Sieradzki. "Copper Redistribution during Corrosion of Aluminum Alloys." Journal of The Electrochemical Society 146, no. 1 (1999): 98–102. http://dx.doi.org/10.1149/1.1391570.

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25

Ushanova, A. M., and T. M. Alekseeva. "Electrochemical marking of aluminum and copper alloys." Chemical and Petroleum Engineering 21, no. 1 (1985): 48–51. http://dx.doi.org/10.1007/bf01148303.

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26

Taher, Abulmaali M. "Effect of Alloying Elements on the Hardness Property of 90% Copper-10% Nickel Alloy." Materials Science Forum 872 (September 2016): 13–17. http://dx.doi.org/10.4028/www.scientific.net/msf.872.13.

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The objective of this study is to investigate the effect of adding some alloying elements (including iron, aluminum, chromium, cobalt, and titanium) to 90 wt. % copper – 10 wt. % nickel alloy on the hardness property. Copper-nickel synthetic alloys were prepared in an induction furnace, in an argon/7% vol. hydrogen atmosphere in cylindrical boron nitride crucibles. They were then homogenized at 950°C for 10 hours in the same protective atmosphere. Vickers hardness measurements, microstructure examination, and Energy Dispersive Spectrometry (EDS) mapping analysis were performed for all syntheti

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27

Mackay, Robert, Ron Hausenbusch, and Jerry Sokolowski. "Alloying with Silicon and Copper in Aluminum Alloys." Materials Science Forum 539-543 (March 2007): 392–97. http://dx.doi.org/10.4028/www.scientific.net/msf.539-543.392.

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The main aim of the metallurgical investigation was to enhance our understanding of the role Cu and Si have on the development of shrinkage porosity in the as-cast structure, which in turn can affect high cycle fatigue (HCF) properties of Al-9Si-1Cu (W328) and Al- 7Si-4Cu (W319) alloys. In order to achieve this objective a novel approach using thermal analysis and calculated fraction solid techniques was developed to assess mushy zone kinetics, the state between the liquidus and solidus where a solid skeletal α-Al phase and the Al-Si eutectic phase grow at the expense of an inter-dendritic liq

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Dileep, B. P., V. Ravi Kumar, Mrudula Prashanth, and M. V. Phanibhushana. "Effect of Zinc Coating on Mechanical Behavior of Al 7075." Applied Mechanics and Materials 592-594 (July 2014): 255–59. http://dx.doi.org/10.4028/www.scientific.net/amm.592-594.255.

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The addition of zinc to aluminum with magnesium or copper produces heat treatable alloys of highest strength which can be used for structural applications. This work is an attempt to investigate any improvement in hardness and fracture toughness by coating aluminum 7075 alloy with zinc. The zinc coated aluminum 7075 alloy was fabricated using Time Dependent Electro-Plating Technique. The thickness of the coating is a function of time. The varying thickness of zinc coating was obtained based on the time estimates, which includes 10, 15 and 20 microns. Specimens were prepared according to ASTM s

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Chu, C. N., N. Saka, S. T. Oktay, and N. P. Suh. "Dispersion-Strengthened Alloys by the Mixalloying Process." Journal of Engineering for Industry 113, no. 4 (1991): 481–85. http://dx.doi.org/10.1115/1.2899727.

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Ceramic particle-dispersed metal-matrix alloys were produced by the Mixalloying Process. In this process, two liquid metal jets were impinged into a mixing head and intimately mixed by turbulence. Liquid copper solution with dilute boron and liquid copper solution with dilute zirconium were impinged and submicron size zirconium diboride particles were produced in liquid copper. The copper-zirconium diboride mixture was solidified in a water cooled mold. Addition of excessive zirconium enhanced boride particle dispersion. Because of particle strengthening, the room temperature microhardness was

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Barba Pingarrón, Arturo, Miguel Ángel Hernández, Alba Covelo, and Raúl Valdez. "Corrosion Resistance of Hot Dip Aluminized Copper Alloys." Advanced Materials Research 976 (June 2014): 8–13. http://dx.doi.org/10.4028/www.scientific.net/amr.976.8.

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Copper and brass specimens were hot dipped aluminized using different times and temperatures conditions. Obtained coatings in a rich-aluminum matrix were characterized using microhardness test, metallographic analysis, electrochemical tests to evaluate corrosion resistance, and scanning electron microscopy/EDS analysis. Corrosion rate of hot dip aluminized copper varies according to processing parameters of molten aluminum. On the other hand, analysis and electrochemical results show that hot dipped aluminized brass increases its corrosion resistance at higher Al content within the coating.

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31

Jin, Feng, Qun Luo, Biao Zhou, and Qian Li. "Modeling Investigation of the Oxidation Kinetics of Copper and Aluminum Alloys." Advanced Materials Research 402 (November 2011): 17–21. http://dx.doi.org/10.4028/www.scientific.net/amr.402.17.

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The oxidation kinetics of copper or aluminum added with magnesium was investigated by a modified Chou model. The effect of the addition of magnesium in copper or aluminum was discussed. The calculation results showed that the activation energy of CuMg0.34 was the highest among Cu-Mg alloys at 600-900 °C, which indicated that it had the best oxidation resistance in all of the samples. The aluminum alloy AA3004 containing 1.0 wt.% Mg showed the better anti-oxide behavior than AA5182 with 4.0 wt.% Mg, and the relation between oxidation rate and oxygen partial pressure could be expressed as 0.71 t

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32

Whetten, Timothy J., and Arthur L. Ruoff. "Segregation of copper in aluminum-copper alloys during ion beam etching." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 7-8 (March 1985): 836–39. http://dx.doi.org/10.1016/0168-583x(85)90479-3.

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Kar, R. J., T. P. McHale, and R. T. Kessler. "TEM/STEM Characterization of Rapidly Solidified Aluminum Alloys." Proceedings, annual meeting, Electron Microscopy Society of America 43 (August 1985): 30–31. http://dx.doi.org/10.1017/s0424820100117236.

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Low-density and high strength-type rapidly solidified (RST) aluminum alloys offer promise for structural aerospace applications. At Northrop, as part of a continuing program to establish structure-property relationships in advanced materials, detailed transmission electron microscopy (TEM)/scanning transmission electron microscopy (STEM) of candidate RST aluminum-lithium (Al-Li) and high strength (7XXX-type) aluminum-copper-magnesium-zinc (Al-Cu-Mg-Zn) alloys is routinely performed. This paper describes typical microstructural features that we have observed in these alloys.Figure 1 illustrates

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34

Mironov, A. E., I. S. Gershman, E. I. Gershman, S. M. Zakharov, and P. A. Podrabinnik. "Aluminum casting antifriction alloys with increased capacity to adaptability of friction surfaces." Vestnik of the Railway Research Institute 76, no. 6 (2017): 336–40. http://dx.doi.org/10.21780/2223-9731-2017-76-6-336-340.

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The possibility of changing bronze in the manufacture of monometallic cast plain bearings with multicomponent aluminum antifriction alloys is considered. Due to alloying of aluminum with tin, lead, copper, zinc, silicon, magnesium and titanium, it was possible to create alloys with increased ability to adapt friction surfaces. According to laboratory tests, the main results of which are given in the article, it is proved that aluminum alloys on a complex of mechanical and tribotechnical properties are close or superior to the investigated bronze BrO4C4S17. Laboratory tests have shown the possi

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35

Kaiser, Samiul, and Mohammad Salim Kaiser. "A comparative study of chemical and physical properties of copper and copper alloys affected by acidic, alkaline and saline environments." Journal of Electrochemical Science and Engineering 10, no. 4 (2020): 373–84. http://dx.doi.org/10.5599/jese.877.

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Chemical and physical behavior including corrosion performance, thermal conductivity and visual color change of the copper-based alloys brass and bronze have been studied prior and after corrosion in acidic, alkaline and saline media. The concentrations of 0.5 M H2SO4, 0.5 M NaOH and 0.5 M NaCl were used in which copper and copper-alloy samples were immersed and left to corrode at room temperature for 28 days. The experiments were performed prior and after corrosion, using conventional gravimetric measurements accompanied with measurements of thermal conductivity, microstructure and optical pr

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Unocic, Kinga A., Paul Kobe, Michael J. Mills, and Glenn S. Daehn. "Grain Boundary Precipitate Modification for Improved Intergranular Corrosion Resistance." Materials Science Forum 519-521 (July 2006): 327–32. http://dx.doi.org/10.4028/www.scientific.net/msf.519-521.327.

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Intergranular corrosion is a significant concern for Al-Mg alloys when subjected to a corrosive salt-water environment. To address this issue, the standard composition of a 5XXX series aluminum alloy (AA5083) was modified in an attempt to improve the alloy’s overall corrosion resistance through alloying and thermal processing. The concept being that through alloying and heat treatments, desirable precipitate phases such as τ- and/or τ-copper rich phase(s) that are known to offer corrosion resistance would potentially form that could effectively improve intergranular corrosion behavior. Therefo

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37

Kondrat'ev, S. Yu, N. G. Kolbasnikov, and B. S. Chaikovskii. "Change in the properties of high-damping copper-aluminum-zinc ?-alloys after HTMT." Strength of Materials 22, no. 4 (1990): 548–54. http://dx.doi.org/10.1007/bf00776885.

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Belov, D. V., M. V. Maximov, S. N. Belyaev, T. I. Devyatkina, and G. A. Gevorgyan. "Effect of azo compounds on structure and mechanical properties of copper coating electrodeposited on oxidized aluminum alloys." Perspektivnye Materialy 6 (2021): 40–59. http://dx.doi.org/10.30791/1028-978x-2021-6-40-59.

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This article discusses a new method for producing copper electrolytic coatings with high performance properties applied to oxidized aluminum alloys. The purpose of this work is to reveal the effect of the azo compound additive, methyl red (MR), on the structure and physicomechanical properties of copper coatings deposited on oxidized aluminum. To achieve this goal, the following tasks were solved: the microstructure and adhesive properties of the copper coating formed on oxidized aluminum alloys were determined, and the physical and mechanical properties of the copper coating (microhardness, o

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39

Konstantinova, N. Yu, P. S. Popel’, and D. A. Yagodin. "The kinematic viscosity of liquid copper-aluminum alloys." High Temperature 47, no. 3 (2009): 336–41. http://dx.doi.org/10.1134/s0018151x09030067.

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40

Griffin, A. J., F. R. Brotzen, and C. F. Dunn. "Impedance‐Spectroscopy Response of Aluminum‐Copper‐Silicon Alloys." Journal of The Electrochemical Society 141, no. 12 (1994): 3473–79. http://dx.doi.org/10.1149/1.2059356.

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41

Bryukhanov, I. A., V. L. Kovalev, and A. V. Larin. "Nucleation of dislocations in aluminum alloys with copper." Physics of the Solid State 57, no. 9 (2015): 1807–17. http://dx.doi.org/10.1134/s106378341509005x.

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42

Avery, William F. "Low Temperature Direct Aluminum Soldering Paste." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2012, DPC (2012): 001597–626. http://dx.doi.org/10.4071/2012dpc-wa31.

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For economic and weight considerations using aluminum to make connections to copper has been important in electronic components and making these connections via soldering provides an excellent thermal and electrical pathway. Soldering aluminum to copper in many applications involves the use of low temperature solder bonding to prevent damage to heat sensitive parts such as sealed copper heat pipes and sensitive electronic components. Typically, aluminum soldering is accomplished by plating over the aluminum to make that surface solderable, which is an expensive extra step in this processing. T

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Naeem, Haider T., Kahtan S. Mohammed, Khairel R. Ahmad, and Azmi Rahmat. "The Influence of Nickel and Tin Additives on the Microstructural and Mechanical Properties of Al-Zn-Mg-Cu Alloys." Advances in Materials Science and Engineering 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/686474.

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The effects of nickel and nickel combined tin additions on mechanical properties and microstructural evolutions of aluminum-zinc-magnesium-copper alloys were investigated. Aluminum alloys containing Ni and Sn additives were homogenized at different temperatures conditions and then aged at 120°C for 24 h (T6) and retrogressed at 180°C for 30 min and then reaged at 120°C for 24 h (RRA). Comparison of the ultimate tensile strength (UTS) of as-quenched Al-Zn-Mg-Cu-Ni and Al-Zn-Mg-Cu-Ni-Sn alloys with that of similar alloys which underwent aging treatment at T6 temper showed that gains in tensile s

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Sadiana, Riri, Deni Putra, and Wahyu Hidayat. "ANALISIS KEKUATAN TARIK LOGAM PADUAN Al-Cu-Mg SEBAGAI DUDUKAN SHOCK ABSORBER SEPEDA MOTOR." JURNAL ILMIAH TEKNIK MESIN 8, no. 2 (2020): 67–72. http://dx.doi.org/10.33558/jitm.v8i2.2184.

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Aluminum is a non-ferrous metal that has good thermal conductivity and is widely used in various mechanical machinery systems. Efforts to obtain additional mechanical strength from aluminum can be combined with Cu, Mg, Si, Mn, Ni and so on. This research was made to prepare a Motorcycle Shock Absorber that is useful as a pedestal and handle shock breakers against the swing arm, with aluminum alloy material (Al), copper (Cu), and magnesium (Mg). The purpose of this research is to know the tensile strength and know the value of the strain. The method of this research process is aluminum alloy wi

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Papantoniou, Ioannis G., Angelos P. Markopoulos, and Dimitrios E. Manolakos. "A New Approach in Surface Modification and Surface Hardening of Aluminum Alloys Using Friction Stir Process: Cu-Reinforced AA5083." Materials 13, no. 6 (2020): 1278. http://dx.doi.org/10.3390/ma13061278.

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In the current study, a new approach for surface modification and surface hardening of aluminum alloys is developed. The method is based on the logic of in-situ reinforcing FSP strategies. The novelty of the proposed process is the application of a bulk reinforcing metallic material instead of metallic powders. The FSP was carried out on aluminum alloy AA5083—thick plates. A thin sheet of pure copper (cross-section 4 × 0.8 mm2) was placed in a machined groove on the upper surface of the aluminum plate, and both materials were FSPed together. Samples with one, two and three FSP passes were manu

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Wannasin, J., David Schwam, J. A. Yurko, C. Rohloff, and G. Woycik. "Hot Tearing Susceptibility and Fluidity of Semi-Solid Gravity Cast Al-Cu Alloy." Solid State Phenomena 116-117 (October 2006): 76–79. http://dx.doi.org/10.4028/www.scientific.net/ssp.116-117.76.

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Aluminum-copper alloys offer both high strength and excellent ductility suitable for a number of automotive applications to reduce vehicle weight; however, the alloys are difficult to cast because of their tendency for hot tearing. In this work, semi-solid gravity casting of an aluminum-copper alloy, B206, was conducted in constrained rod casting molds to study the feasibility of using the process to reduce or eliminate hot tearing. To demonstrate the feasibility of gravity casting of the metal slurries, a fluidity test was also conducted. Results show that the hot tearing susceptibility of th

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Kunimine, Takahiro. "Severe Plastic Deformation of Copper, Binary Cu-Zn Solid-Solution Alloys, and High-Strength Brass by High-Pressure Torsion." Materials Science Forum 1016 (January 2021): 780–85. http://dx.doi.org/10.4028/www.scientific.net/msf.1016.780.

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Severely-deformed high-strength brasses were investigated by leveraging high-pressure torsion (HPT) processing in order to obtain more enhanced mechanical properties of copper alloys. Pure copper, binary Cu-Zn solid-solution alloys and high-strength brasses including aluminum and manganese additions were selected for experiments. For comparison of these materials, zinc equivalent parameter was used. These materials were subjected to the HPT processing, followed by hardness tests and tensile tests. The maximal hardness value of the nanostructured high-strength brass with β phase matrix was reac

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da Silva, Thiago H., Eric B. Nelson, Izaak Williamson, et al. "First-principles surface interaction studies of aluminum-copper and aluminum-copper-magnesium secondary phases in aluminum alloys." Applied Surface Science 439 (May 2018): 910–18. http://dx.doi.org/10.1016/j.apsusc.2017.12.256.

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Galvão, Ivan, Carlos Leitão, Altino Loureiro, and Dulce Rodrigues. "Friction Stir Welding of very thin plates." Soldagem & Inspeção 17, no. 1 (2012): 02–10. http://dx.doi.org/10.1590/s0104-92242012000100002.

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The results obtained in present research, relative to friction stir welding of 1 mm thick plates of aluminium, copper, copper-zinc and zinc alloys, prove that the application of the process in the joining of very thin plates is feasible and desirable. In fact, independently of the base material, the welds produced presented very good morphological characteristics and significant grain refinement in the nugget. Tensile and hardness tests proved that all the welds were at least in even-match relative to the base material properties. Based on the AA 5182 aluminium alloy results it was also possib

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Fury, M. A., D. L. Scherber, and M. A. Stell. "Chemical-Mechanical Planarization of Aluminum-Based Alloys for Multilevel Metallization." MRS Bulletin 20, no. 11 (1995): 61–64. http://dx.doi.org/10.1557/s0883769400045607.

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As recently as 1993, the prevailing presumption among the semiconductor technical community was that then-current development efforts associated with aluminum lines and tungsten damascene vias needed to shift rapidly to copper multilevel interconnect schemes. This is exemplified by the June 1993 issue of the MRS Bulletin, which featured copper metallization as its theme. In the intervening years, however, that same technical community revised the Semiconductor Industry Association (SIA) roadmap and placed renewed emphasis on the use of an all-aluminum interconnect scheme. This was done largely

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