"The future of Metals"Lu Ke,2010,Science A 300 250 6706m 200- Steels y'ssauybno ainpe 150 100 Ni alloys Ti alloys Cu 50 alloys Engineering polymeric composites AL alfoys Polymers Mg alloys Carbon fibers 0 Ceramics D 1D0 200 30D 400 1000 2000 Strength-to-weight ratio (MPa cm3g-1) 材料科学与工程学院 7 School of Materials Science and Engineering材料科学与工程学院 School of Materials Science and Engineering “The future of Metals” Lu Ke, 2010, Science 7