28-4 航空機用アルミニウム合金開発の最近の動向 …

1 1 28-4 Recent Trend of development in Aluminum Alloys for Aircraft 21 CFRP 777 1 1)-3) 1 3)4) 1)-3) YearAirplaneAlloy Temper1903 Wright BrothersAl-Cu casting1919 Junkers F132017-T41935DC-32024-T31954 Boeing 7077075-T651, 7178-T6511979 Boeing 7672324-T39, 7150-T6511994 Boeing 7777055-T7751, 2524-T32004 Boeing 777-300ER2324-T39 Type II (2624-T39) 50100150200250651300400500600700 5010015020025065130040050060070050100150 200250651300400500600700 3)4) 28-4 2 777 7055-T7751 2524-T3 5) 7055 7150 T77 7 XXX T76 2524 2X24 T3 Alclad 2524-T3 Alclad 2024-T3 4) 2624 777-300ER Extended Range 2024 2324 2624 T351 T39 6)

2 777X Ag 2029-T8 Al-Li 2098-T84 2055-T84 787 1995 777 2001 250 2002 7E7 7E7 767 2004 4 50 787 2011 9 28 1 7) 787 20 20 8 4 787 A380 A350 XWB 787 50 CFRP 7) CFRP 787-8 115 767-300ER 90 21% 8) 787 767 Al-Li 2098-T8 787, A380, A350 XWB 7) 787A380A350 XWB787A380A350 XWB3 CFRP Al-Li Photo: Courtesy of Airbus A380 1989 747 1994 a3xx 2000 A380 2005 European Aviation Safety Agency :EASA Federal Aviation Administration.

3 FAA 2007 747-400 A380-800 525 747-400 400 7) A380 61% 7) CFRP 22% 10% 7% 3% 2% 2% CFRP 7010/7050-T7651 7040-T7651 100mm 7449-T7651 Zr 2027-T3511 7449 40% 7056-T7951 2024A-T351 2024A-T351 2027 9) Al-Li 2099-T83 2196-T8511 2050-T84 9)-12) CFRP A380 CFRP 2196-T8511 13) A350 XWB A350 A330 787 A350 XWB (eXtra Wide Body) 2006 787 787 777 A380 CFRP Al-Li 13) 4 MRJ 20) A350-900 314 A350-1000 350 787-8 250 787-9 290 787-10 320 2014 9 EASA 2014 12 14) A350 XWB 787 53% ( ) 7)

4 787 CFRP CFRP 15)16) 787 CFRP A350 XWB 8)15)16) Al-Li 2198 T851 2050 T84 2050-T852 12) MRJ MRJ 2002 NEDO 30 50 2008 2015 11 17) 60-90 20 5000 20 1000 2012 1500 18) MRJ 90 MRJ90 70 MRJ70 20 CFRP 15 15 30 2009 CFRP 1)

5 CFRP CFRP CFRP CFRP 5 P&W GTF Geared Turbo Fan 16 19)20) 5 194019501960197019801990200020102024-T3( DC-3)2524 T3(777)7075 T7351(DC-10) T7651(L-1011)7050 T74517085 T7651(A380) T74527056 T76517140 T7651 T74517475 T651 T73512324 T39(757, 767)2027 T351 T3511(A380)7150 T651(757, 767) T775117055 T7751(777) T79517010 T7651 T74517040 T74517349 T765117449 T7951 T79511(A380)7075 T651 (B-29) / 7178 T651 (707)19401950196019701980199020002010202 4-T3(DC-3)2524 T3(777)7075 T7351(DC-10) T7651(L-1011)7050 T74517085 T7651(A380) T74527056 T76517140 T7651 T74517475 T651 T73512324 T39(757, 767)2027 T351 T3511(A380)7150 T651(757, 767) T775117055 T7751(777) T79517010 T7651 T74517040 T74517349 T765117449 T7951 T79511(A380)7075 T651 (B-29) / 7178 T651 (707) 2000 7000 Li 2000 7085 7056 7140 19)

6 1990 AA The Aluminum Association 7000 Zn 7 10 ESD 6 9 2000 Cr Zr Mg Cu MRJ 19) NEDO 750 MPa 700 MPa 12 Al-Li 11) 19).. Alcan Constellium ( ) Alcoa 6 MRJ 19) 7075-T6517075-T73517150-T77517055-T7751 (777)7055-T7951 (A380)7449-T79517056-T7951 7075-T65117075-T735117150-T775117055-T77 511 (777)7055-T79511 (A380)7349-T765117449-T79511 2024-T3512324-T392027-T351 2024-T35112224-T35112026-T35112027-T3511 2024-T32524-T3 2024-T35112026-T35117075-T735117150-T775 117349-T76 7075-T73 (sheet)7055-T762 (sheet)

7 7075-T73517050-T74517040-T74512026-T3511 7075-T735117150-T775117349-T76 7075-T73517050-T74517150-T77517055-T7751 7075-T735117150-T775117349-T76 Al-Li Li 1 6 3 1950 2020 Al-4% RA5C Vigilante Al-Li 1980 2090 8090 8091 2091 Al-Li Li 2% (1) (2) (3) (4)70 85 C 1990 Al-Li 21)22) Al-Li 23) Al-Li Li 2% Al-Li Al-Li 13) Al-Li Weldalite 2094 2095 2195 24) Ag 2098 2198 2050 25) Al-Li 26) Al-Li Al-Li Al-Li 2 4 7 Li Li 1950196019701980199020002010 2020 Alcoa 1420 2090 Alcoa 2195 Reynolds, MM 8090 Alcoa, Alcan 8091 Alcan, Pechiney 2050 2196 Constellium) 2099 2397 Alcoa.

8 Boeing 757 787 Airbus A380, A350 XWB 2020 RA- C 1420( )MIG29 2020 RA- C 1420( )MIG29 Boeing 777 , Al-Li ED Boeing 777 , Al-Li ED Li (2% ) Li Li 1950196019701980199020002010195019501960 1960197019701980198019901990200020002010 2010 2020 Alcoa 1420 2020 Alcoa 1420 2090 Alcoa 2195 Reynolds, MM 8090 Alcoa, Alcan 8091 Alcan, Pechiney 2050 2196 Constellium) 2099 2397 Alcoa : Boeing 757 787 Airbus A380, A350 XWB 2020 RA- C 1420( )MIG29 2020 RA- C 1420( )MIG29 Boeing 777 , Al-Li ED Boeing 777 , Al-Li ED Li (2% ) Al-Li 23) Al-Li AA(The Aluminum Association) 26) 8 Al-Li 13)

9 T82 7150-T7751, 7055-T7751, 7055-T7951,7255-T7951 T82/T84 2219-T87 Metals/PechineyT8511 7150-T65117055-T77511 T851 2024-T3, 2524-T3, 2524-T351 T82P 2024-T62 Metals/AlcanT8 2024-T3, 2524-T3, 2524-T351 T84 2024-T351, 2324-T39, 2624-T351, 2624-T39 T84 7150-T7751, 7055-T7751, 7055-T7951, 7255-T7951 T84 7050-T7451 T852 7175-T7352, 7050-T7452 (LockheedMartin)/ReynoldsT87 2124-T851, 2124-T852 T86 7050-T7451 T81 2024-T3511, 2026-T3511, 2024-T4312, 6110-T6511 T81/T83 7075-T73511, 7075-T79511,7150-T6511, 7175-T79511,7055-T77511, 7055-T79511 T8E74 2024-T3, 2524-T3, 2524-T351 T86 2024-T351, 2324-T39, 2624-T351, 2624-T39 2024-T3, 2524-T3, 2524-T351 T8X 7150-T7751, 7055-T7751, 7055-T7951,7255-T7951 T8E83 7075-T73511, 7075-T79511,7150-T6511, 7175-T79511,7055-T77511, 7055-T79511 onstelli umT8511 7075-T73511, 7075-T79511,7150-T6511, 7175-T79511,7055-T77511, 7055-T79511 onstelli umT8511 2024-T3511, 2026-T3511, 2024-T4312.

10 6110-T6511 Marietta/ 6000 2013 6000 6000 6000 2000 6013 2024 2024 A380 6156 UACJ 2024-T3 6013 6000 27) 2024-O T 30 2000