强度与韧性 强度 韧性 The strength of a material is Toughness is the ability of a material its ability to withstand an to absorb energy and plastically applied load without failure. deform without fracturing. Astress o=F/A yield fracture X X non-linear area o=f(E) linear area O=EE strain E 材料科学与工程学院 4 School of Materials Science and Engineering材料科学与工程学院 School of Materials Science and Engineering 4 The strength of a material is its ability to withstand an applied load without failure. 强度 韧性 强度与韧性 Toughness is the ability of a material to absorb energy and plastically deform without fracturing