Dys = OUTS Oys = OUTS / both (equal Elastic Region Eys = Efail ( Figure 2 ) BRITTLE MATERIAL Eys Efail E Resilient and toughess same Area - a) Find equation under the curve with variables given in ( Figure 2 ) O BYS PLASTIC OUTS b ) Find equation under the ELASTIC curve with variables given (Figure 3) 2) need 20 ( ) Find equation under the calculated E EFail curve with variables given Oys = OUTS Eys + Efail OUTS > Oys and Efail * Eys ( different ) d ) Form equation of triangle with the variables given in ( figure 1 ) - Area under the curve Bys PLASTIC Stress O' 2) OUTS e ) Form equation of all ELASTIC Figure under the curve 3 I and 2 are triangles and 3 9 rectangle ( with va O Oys Strain ( E ) Efall nable given In ( Figure ! ) (Figure 1 )