Answer Happy

Use the Fracture Toughness against Density chart given below to identify materials that satisfy the following materials index relationship and have Kıc values >90 MPa.m2. Remember that your intention is to have the lightest material possible. 1/2 K2/3 M= IC 2 1.6 р
1000 3. FRACTURE TOUGHNESS-DENSITY DATA FOR KIC,VALID BELOW 10 MPa ? ABOVE 10 MPany? FOR RANKING ONLY MFA:88-91 1, 2/3,4/3,4/5 GUIDE LINES FOR MINIMUM 100! WEIGHT DESIGN ENGINEERING ALLOYS CALLOS STEELS TIALLOYS +Ni ALLOYS GFRP KFRP UNIPLY CIERP GFRP KFREY LAMINATES CFRP WC Ca ENGINEERING COMPOSITES ENGINEERING POLYMERS AI ALLOYS Shaya Centers W- ALLOYS CAST IRONS ASH ОАЕ, PINE FIR SIALONS TITTTT Siya + $ de FRACTURE TOUGHNESS Kic (MPa m2) PARALLEL – HDPE PP TO GRAIN NYLONS SIC MgO he Gove DIAMOND WOODS ENGINEERING CERAMICS BALSA COMMON 1.0 PMMA LOPE YEPOX MEL ASH OAK PINE FIR POTTERY -GLASSES Sio ROCKS POROUS CERAMICS POLYESTER , POLYMER FOAMS PERPENDICULAR TO ORAIN CEMENT CONCRETE 0.1 CORK СЕ BALSA PLASTER TTTT 0.01. 0.1 0.3 1 3 10 30 DENSITY P (Mg/mº) Fracture toughness-Density chart