AI-CU合金 800 Solvent (AI)atom Solute (Cu) atom liquid 660.37C 600 0 a 548C 5.65% 400 Phase particle a+0 I C 200 0 a=(A) 11 0=Al2Cu b
800 600 400 200 liquid 660.37°C 548°C 5.65% a = (Al) = Al2Cu cb + temperature [°C] Al-Cu合金
AI-CU合金 一Phase particle 6 Phase particle 0” 0 0"phase is disordered and coherent with a phase lattice (large strain fields) 0 phase is ordered and incoherent OAI●Cu with lattice due to misfit dislocations that provide strain relief around particle. Plate-like precipitates(GP zones) initially 25 atoms wide and 2 layers thick
” Al Cu Plate-like precipitates (GP zones) initially 25 atoms wide and 2 layers thick • ”phase is disordered and coherent with phase lattice (large strain fields). • phase is ordered and incoherent with lattice due to misfit dislocations that provide strain relief around particle. Al-Cu合金
AI-CU合金 何 2 50nm Fig.61.TEM bright field image of an Al-1.7Cu-0.3Mg-0.2Ag alloy aged at 190C for 8 h.[011].Thin plates with (211)trace are phase on {111),those with [011]trace are 0 precipitates on (001)
Al-Cu合金
AI-Li合金 2.80 100 Mn Cu,Ni Mn 3 Be 后 2.76 Pb V,Ga Zr 2 (40 Li Co Ti 2.72 A12O3 80 Ni B o 2.68 705 Si Cu 2.64 -2 Li Mg -3 Mg 2.601 0 0.81.62.43.24.04.85.6 0 5 10 15 20 25 合金元紫「%（重量）小 合金元素[%（重是ⅱ +1%wt Li -36wt +6%E
Al-Li 合金 +1%wt Li -3%wt +6% E
AILi合金 800 Aluminum is strengthened by L ordered metastable Al Li precipitates 700 a+L formed by alloying. L+6 600 罟 Li 500 6 (AILi) ② a+6 (C)涵照 400 ① 200m 300 x+6 200 Al AlLi 100 0 1015 20 25 Li含量[%（重量）]
Al-Li 合金 Aluminum is strengthened by ordered metastable Al3Li precipitates formed by alloying