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7075 aluminium alloy

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The T6 temper is usually achieved by homogenizing the cast 7075 at 450 °C for several hours, quenching, and then ageing at 120 °C for 24 hours. This yields the peak strength of the 7075 alloys. The strength is derived mainly from finely dispersed eta and eta' precipitates both within grains
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The retrogression and reage (RRA) temper is a multistage heat treatment temper. Starting with a sheet in the T6 temper, it involves overaging past peak hardness (T6 temper) to near the T7 temper. A subsequent reaging at 120 °C for 24 hours returns the hardness and strength to or very nearly to
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100–120 °C for several hours and then at 160–180 °C for 24 hours or more. The T7 temper produces a microstructure of mostly eta precipitates. In contrast to the T6 temper, these eta particles are much larger and prefer growth along the grain boundaries. This reduces the susceptibility to
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T651 temper 7075 has an ultimate tensile strength of 570 MPa (83,000 psi) and yield strength of 500 MPa (73,000 psi). It has a failure elongation of 3–9%. These properties can change depending on the form of material used. The thicker plates may exhibit lower strengths and
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T7 temper has an ultimate tensile strength of 505 MPa (73,200 psi) and a yield strength of 435 MPa (63,100 psi). It has a failure elongation of 13%. T7 temper is achieved by overaging (meaning aging past the peak hardness) the material. This is often accomplished by aging at
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of no more than 140 MPa (21,000 psi). The material has an elongation (stretch before ultimate failure) of 9–10%. As is the case for all 7075 aluminum alloys, 7075-0 is highly corrosion-resistant combined with generally acceptable strength profile.
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Due to its high strength, low density, thermal properties, and its ability to be highly polished, 7075 is widely used in mold tool manufacturing. This alloy has been further refined into other 7000 series alloys for this application, namely 7050 and 7020.
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7075 has been sold under various trade names including Zicral, Ergal, and Fortal Constructal. Some 7000 series alloys sold under brand names for making molds include Alumec 79, Alumec 89, Contal, Certal, Alumould, and Hokotol.
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T6 temper 7075 has an ultimate tensile strength of 510–540 MPa (74,000–78,000 psi) and yield strength of at least 430–480 MPa (63,000–69,000 psi). It has a failure elongation of 5–11%.
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of forged steel rods, but have less mass than their steel counterparts, resulting in lower mechanical stress during periods in which an engine is operated under full-throttle, high-RPM conditions.
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as the primary alloying element. It has excellent mechanical properties and exhibits good ductility, high strength, toughness, and good resistance to fatigue. It is more susceptible to
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for the civilian market. In particular high-quality M16 rifle lower and upper receivers, as well as extension tubes, are typically made from 7075-T6 alloy. Desert Tactical Arms,
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fighter. The aircraft was known for its excellent maneuverability which was facilitated by the higher strength of 7075 compared to previous aluminum alloys.
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RRA treatments can be accomplished with many different procedures. The general guidelines are retrogressing between 180 and 240 °C for 15 min 10 s.
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T Hashimoto, S Jyogan (Showa Aluminium), K Nakata, Y G Kin and M Ushio (Osaka University): FSW joining of high strength Al alloy
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sticks, such as the STX sabre, and camping knife and fork sets. It is a common material used in competition yo-yos as well.
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Cina, Baruch M. REDUCING THE SUSCEPTIBILITY OF ALLOYS, PARTICULARLY ALUMINIUM ALLOYS, TO STRESS CORROSION CRACKING
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ASM Handbook Volume 2: Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, 1990 pp. 137–38
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https://www.thomasnet.com/articles/metals-metal-products/all-about-7075-aluminum-properties-strength-and-uses/
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Park, J. K., and A. J. Ardell. "Microstructures of the Commercial 7075 AI Alloy in the T651 and T7 Tempers".
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ASTM B210, ASTM B211, ASTM B221, AMS-QQ-A-225/9, AMS-QQ-A-200/11, AMS-QQ-A-250/12, AMS-WW-T-700/7
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7000 series alloys such as 7075 are often used in transport applications due to their high
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It has also been the standard material for crankcase guards on off-road motorcycles.
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commonly use 7075 and 6061 for chassis plates. 7075 is used in the manufacturing of
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Journal of Japan Institute of Light Metals (Sumitomo Light Metal Ind. Ltd., Japan)
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The world's first mass-production usage of the 7075 aluminum alloy was for the
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SRB beam in the Inter-tank section. The forward- and aft skirt as well as the
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use it for their precision rifles. It is also commonly used in shafts for
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Properties and Selection: Nonferrous Alloys and Special-Purpose Materials
998:"Properties of Wrought Aluminum and Aluminum Alloys: 7075, Alclad 7075", 593: 238: 1995: 783:(in Japanese), Volume 39, Issue 5, p. 378. Retrieved: 22 November 2015. 628: 983:"U.S. Manned Rocket Propulsion Evolution Part 8.20: The Saturn V S-II" 2026: 2016: 1990: 1062: 778:"Extra super duralumin and successive aluminium alloys for aircraft." 574: 566: 283: 2061: 1017: 636: 582: 562: 142: 2041: 1945: 43: 2006: 1975: 1965: 1955: 1950: 757:
Juan J. Valencia, Peter N. Quested, "Thermophysical Properties"
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The first 7075 was developed in secret by a Japanese company,
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Canadian Aeronautics and Space Journal, 1989 vol 35-36 p. 129
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7075 aluminium alloy's composition roughly includes 5.6–6.1%
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of no more than 280 MPa (40,000 psi), and maximum
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Another application for the 7075-series alloy has been in
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WHAT ARE THE DIFFERENCES BETWEEN 6061 AND 7075 ALUMINUM?
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The mechanical properties of 7075 depend greatly on the
951:"7075 Aluminum Alloy Properties, 7075-T6, T7351, T651" 980: 345:Un-heat-treated 7075 (7075-0 temper) has a maximum 713:7075 Aluminum: Get to Know its Properties and Uses 895: 893: 891: 2074: 888: 1033: 325:Aluminium 7075A has a density of 2.810 g/cm. 271:than many other aluminium alloys because of 1040: 1026: 376:elongation than the numbers listed above. 965: 614: 389:. T7 temper is equivalent to T73 temper. 55:2.81 g/cm (0.102 lb/cu in) 328: 981:McCutcheon, Kimble D. (3 August 2022). 841: 839: 404: 14: 2075: 526:AS/NZS 1734, AS/NZS 1865, AS/NZS 1866 1021: 1047: 836: 199:Linear thermal expansion coefficient 320: 24: 992: 25: 2099: 1006: 792:Yoshida, Hideo (2020). Shoeisha. 730:Properties of 7075 aluminum alloy 718:Properties of 7075 aluminum alloy 569:for the U.S. military as well as 961:from the original on 2021-10-16. 855:(PDF), accessed October 13, 2006 974: 943: 931: 906: 642: 77:71.7 GPa (10,400 ksi) 858: 811: 802: 786: 770: 761: 750: 682: 663:Aerospace/defense applications 577:, and French armament company 459:Designation (Material number) 410:Table of equivalent materials 13: 1: 744: 698:Northwest Airlines Flight 421 453:Numerical (Chemical symbols) 370: 367:and along grain boundaries. 97:572 MPa (83.0 ksi) 27:Type of aluminium-zinc alloy 7: 691: 392: 10: 2104: 635:, the second stage of the 379: 357: 2037:Aluminium–scandium alloys 1933: 1864: 1735: 1596: 1482: 1433: 1384: 1205: 1081: 1055: 914:"ASM Material Data Sheet" 866:"ASM Material Data Sheet" 432: 429: 426: 423: 420: 417: 414: 387:stress corrosion cracking 340: 265:aluminium alloy with zinc 236: 231: 214: 197: 180: 176:477 °C (891 °F) 160: 155: 141: 124: 101: 81: 64: 59: 42: 37: 32: 1941:Aluminium–lithium alloys 1013:Aluminum 7075 Properties 955:www.theworldmaterial.com 903:14A (1983): 1957. Print. 545: 657:Regulating valve parts 615:Aerospace applications 315:Imperial Japanese Navy 216:Specific heat capacity 2088:Aluminium–zinc alloys 846:Alcoa 7075 data sheet 619:7075 was used in the 512:AlZnMgCu1,5 (3.4365) 329:Mechanical properties 232:Electrical properties 60:Mechanical properties 2052:Hypereutectic piston 1073:History of aluminium 639:was made from 7075. 505:(EN AW-AlZn5,5MgCu) 405:Equivalent materials 294:, some of which are 257:7075 aluminium alloy 182:Thermal conductivity 552:Mitsubishi A6M Zero 411: 162:Melting temperature 38:Physical properties 18:7075 aluminum alloy 1971:Aluminium granules 1085:1000 series (pure) 876:on 16 October 2018 851:2013-08-29 at the 823:www.makeitfrom.com 723:2018-10-16 at the 669:Bicycle Chainrings 571:AR-15 style rifles 409: 398:T6 temper levels. 156:Thermal properties 2070: 2069: 1998:(aka R.R. alloys) 901:Metall. Trans. A. 798:978-4-86693-295-8 675:Archery equipment 672:Bicycle Gearboxes 648:Aircraft fittings 623:nozzles, and the 621:Space Shuttle SRB 559:specific strength 543: 542: 337:of the material. 254: 253: 16:(Redirected from 2095: 2083:Aluminium alloys 2057:Aluminium bronze 2032:Nickel aluminide 1068:Aluminium alloys 1049:Aluminium alloys 1042: 1035: 1028: 1019: 1018: 987: 986: 978: 972: 969: 963: 962: 947: 941: 935: 929: 928: 926: 924: 910: 904: 897: 886: 885: 883: 881: 872:. 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814: 805: 799: 795: 789: 782: 779: 776:Yoshio, Baba. 773: 764: 758: 753: 749: 740: 738: 736: 735:7075 aluminum 733: 731: 728: 726: 722: 719: 716: 714: 711: 709: 706: 704: 701: 699: 696: 695: 689: 680: 674: 671: 668: 665: 662: 659: 656: 654:Missile parts 653: 650: 647: 646: 640: 638: 634: 630: 626: 625:external tank 622: 612: 608: 605: 603: 599: 598:Aluminum rods 595: 591: 586: 584: 580: 576: 572: 568: 564: 560: 555: 553: 538: 536: 532: 529: 527: 523: 520: 518: 514: 511: 508: 506: 502: 499: 496: 493: 491: 487: 485: 481: 480: 476: 473: 470: 467: 464: 461: 458: 455: 452: 449: 446: 443: 440: 437: 436: 413: 402: 399: 390: 388: 377: 368: 364: 355: 352: 348: 338: 336: 326: 318: 316: 312: 307: 305: 301: 297: 293: 289: 285: 281: 276: 274: 270: 269:embrittlement 266: 262: 258: 249: 245: 240: 235: 230: 226: 222: 217: 213: 209: 205: 200: 196: 193:130–150 W/m*K 192: 188: 183: 179: 175: 168: 163: 159: 154: 150: 148: 144: 140: 136: 132: 127: 123: 119: 116: 109: 104: 100: 96: 89: 84: 80: 76: 72: 67: 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Index

7075 aluminum alloy
Density
Young's modulus
Tensile strength
Elongation
break
Poisson's ratio
Hardness
Rockwell
Melting temperature
Thermal conductivity
Linear thermal expansion coefficient
Specific heat capacity
resistivity
aluminium alloy with zinc
embrittlement
microsegregation
zinc
magnesium
copper
tempers
Sumitomo Metal
Imperial Japanese Navy
tempering
tensile strength
yield strength
stress corrosion cracking
Mitsubishi A6M Zero
specific strength
RC models

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