2018 Version 10.0 Department of Informatics and Engineering Systems EXAMINATION REFERENCE AND EQUATION BOOKLET MECE 2340/ENGT 2307: Materials Engineering Robert Jones, PhD. and Jazmin Ley, MSE DO NOT WRITE ON THIS BOOKLET Booklet Number:________ 1|Page Equations 2 %IC = { 1 − π [−0.25 (π₯π΄ −π₯π΅ ) ] } × 100 Percent Ionic Character Vacancies ππ£ = π exp [− Conversion πΆ′′1 = ( ASTM Grain Number Intercept Method First Law of Diffusion Second Law of Diffusion True Stress – Strain ππ£ ] ππ πΆ1 ) π₯103 πΆ1 πΆ2 + π1 π2 πΆ1 π΄2 πΆ′1 = ( ) π₯100 πΆ1 π΄2 + πΆ2 π΄1 π 2 ππ ( ) = 2πΊ−1 100 πΏπ π − ππππ πππ‘. πππππ‘β πΜ = LT− total length ππ nM ο grains/in2 at mag, M, other than 100X πΊ = −6.6457 log π Μ − 3.298 For l in mm π½ = −π· ππΆ ππ₯ πΆπ₯ − πΆ0 π₯ = 1 − πππ ( ) πΆπ − πΆ0 2√π·π‘ ππ ππ = ππ ( ) π0 πΉ ππ = π΄π ππ = πΎπππ Tensile Tests %π΄π = ( Hardness – Tensile Correlation πππ (ππ π) = 500 × π»π΅ Yield Strength – Grain Size ππ¦ = π0 + ππ¦ π 2 Fracture πΎ = ππ√ππ Creep from wt% to atomic% π = 2πΊ−1 Stress – Strain Power Law Fatigue from wt% to mass/volume π΄0 − π΄π ) π₯100 π΄0 π − ππππππππππ‘πππ P – Intercepts −ππ· π· = π·0 ππ₯π ( ) π π π₯2 = πΆπππ π‘ π·π‘ ππ = π (1 + π) ππ = ππ(1 + π) %πΈπ = ( π0 − ππ ) π₯100 π0 πππ (πππ) = 3.45 × π»π΅ −1 ππ΄ = π΄(βπΎ)π ππ ππ −ππ = πΎ2 π π ππ₯π ( ) ππ‘ π π Composites πΈπΆ = π£π πΈπ + π£π πΈπ Cell Potential βπ = (π20 − π10 ) − π π [π1π+ ] ln ππΉ [π2π+ ] βπΎ = πβπ√ππ ππ ππ‘ = πΎ1 π π iff T = constant π£π π£π 1 = + πΈπΆ πΈπ πΈπ Nernst Equation 2|Page Values of Selected Physical Constants Symbol SI Units cgs Units Avogadro's number Boltzmann's constant Quantity NA k 6.022 × 1023 molecules/mol 1.38 × 10−23 J/atom · K Bohr magneton Electron charge Electron mass Gas constant Permeability of a vacuum Permittivity of a vacuum Planck's constant μB e — R μ0 Ο΅0 h 9.27 × 10−24 A · m2 1.602 × 10−19 C 9.11 × 10−31 kg 8.31 J/mol · K 1.257 × 10−6 henry/m 8.85 × 10−12 farad/m 6.63 × 10−34 J · s Velocity of light in a vacuum c 3 × 108 m/s 6.022 × 1023 molecules/mol 1.38 × 10−16 erg/atom · K 8.62 × 10−5 eV/atom · K 9.27 × 10−21 erg/gaussa 4.8 × 10−10 statcoulb 9.11 × 10−28 g 1.987 cal/mol · K unitya unityb 6.63 × 10−27 erg · s 4.13 × 10−15 eV · s 3 × 1010 cm/s a in cgs-emu units. b in cgs-esu units Electronegativity Values for Elements Figure 1: Adapted from Fig. 2.8, Callister & Rethwisch 9e. 3|Page Characteristics of Selected Elements Element Symbol Atomic Number Atomic Weight (amu) (g/mol) Density of Solid, 20°C (g/cm3) Crystal Structure, 20°C Atomic Radius (nm) Ionic Radius (nm) Most Common Valence Melting Point (°C) Aluminum Argon Barium Beryllium Boron Bromine Cadmium Calcium Carbon Cesium Chlorine Chromium Cobalt Copper Fluorine Gallium Germanium Gold Helium Hydrogen Iodine Iron Lead Lithium Magnesium Manganese Mercury Molybdenum Neon Nickel Niobium Nitrogen Oxygen Phosphorus Platinum Potassium Silicon Silver Sodium Sulfur Tin Titanium Tungsten Vanadium Zinc Zirconium Al Ar Ba Be B Br Cd Ca C Cs Cl Cr Co Cu F Ga Ge Au He H I Fe Pb Li Mg Mn Hg Mo Ne Ni Nb N O P Pt K Si Ag Na S Sn Ti W V Zn Zr 13 18 56 4 5 35 48 20 6 55 17 24 27 29 9 31 32 79 2 1 53 26 82 3 12 25 80 42 10 28 41 7 8 15 78 19 14 47 11 16 50 22 74 23 30 40 26.98 39.95 137.33 9.012 10.81 79.90 112.41 40.08 12.011 132.91 35.45 52.00 58.93 63.55 19.00 69.72 72.64 196.97 4.003 1.008 126.91 55.85 207.2 6.94 24.31 54.94 200.59 95.94 20.18 58.69 92.91 14.007 16.00 30.97 195.08 39.10 28.09 107.87 22.99 32.06 118.71 47.87 183.84 50.94 65.41 91.22 2.71 — 3.5 1.85 2.34 — 8.65 1.55 2.25 1.87 — 7.19 8.9 8.94 — 5.90 5.32 19.32 — — 4.93 7.87 11.35 0.534 1.74 7.44 — 10.22 — 8.90 8.57 — — 1.82 21.45 0.862 2.33 10.49 0.971 2.07 7.27 4.51 19.3 6.1 7.13 6.51 FCC — BCC HCP Rhomb. — HCP FCC Hex. BCC — BCC HCP FCC — Ortho. Dia. cubic FCC — — Ortho. BCC FCC BCC HCP Cubic — BCC — FCC BCC — — Ortho. FCC BCC Dia. cubic FCC BCC Ortho. Tetra. HCP BCC BCC HCP HCP 0.143 — 0.217 0.114 — — 0.149 0.197 0.071 0.265 — 0.125 0.125 0.128 — 0.122 0.122 0.144 — — 0.136 0.124 0.175 0.152 0.160 0.112 — 0.136 — 0.125 0.143 — — 0.109 0.139 0.231 0.118 0.144 0.186 0.106 0.151 0.145 0.137 0.132 0.133 0.159 0.053 — 0.136 0.035 0.023 0.196 0.095 0.100 ∼0.016 0.170 0.181 0.063 0.072 0.096 0.133 0.062 0.053 0.137 — 0.154 0.220 0.077 0.120 0.068 0.072 0.067 0.110 0.070 — 0.069 0.069 0.01-0.02 0.140 0.035 0.080 0.138 0.040 0.126 0.102 0.184 0.071 0.068 0.070 0.059 0.074 0.079 3+ Inert 2+ 2+ 3+ 1− 2+ 2+ 4+ 1+ 1− 3+ 2+ 1+ 1− 3+ 4+ 1+ Inert 1+ 1− 2+ 2+ 1+ 2+ 2+ 2+ 4+ Inert 2+ 5+ 5+ 2− 5+ 2+ 1+ 4+ 1+ 1+ 2− 4+ 4+ 4+ 5+ 2+ 4+ 660.4 −189.2 725 1278 2300 −7.2 321 839 (sublimes at 3367) 28.4 −101 1875 1495 1085 −220 29.8 937 1064 −272 (at 26 atm) −259 114 1538 327 181 649 1244 −38.8 2617 −248.7 1455 2468 −209.9 −218.4 44.1 1772 63 1410 962 98 113 232 1668 3410 1890 420 1852 Adapted from Callister & Rethwisch 9e. 4|Page Glass Transition Temperature (Tg) and Melting Temperature (Tm) of Selected Polymers Polymer Tg (°C) Tg (°F) Tm (°C) Tm (°F) Aramid 375 Polyimide (thermoplastic) 280-330 Polyamide-imide (PAI) 277-289 Polycarbonate (PC) 150 Polyether-ether-ketone (PEEK) 143 Polyacrylonitrile (PAN) 104 Polystyrene (PS) (Atactic) 100 Polystyrene (PS) (Isotactic) 100 Polybutylene terephthalate (PBT) Poly vinyl chloride (PVC) 87 Polyphenylene sulfide (PPS) 85 Polyethylene terephthalate (PET) 69 Nylon 6,6 57 Polychlorotriflouroethylene (PCTFE) 45 Poly methyl methacrylate (PMMA) (Syndiotactic) 3 Poly methyl methacrylate (PMMA) (Isotactic) 3 Polypropylene (PP) (Isotactic) -10 Polypropylene (PP) (Atactic) -18 Polyvinylidene chloride (PVDC) (Atactic) -18 Polybutylene (PB) -25 Polyvinyl fluoride -20 Polyvinylidene fluoride (PVDF) -35 Ionomer -45 Polyacetal, polyoxymethylene (POM) -50 Poly-ethylene oxide (PEOX) -56 Poly-isobutylene -70 cis – Poly-isoprene -73 Polybutadiene (Syndiotactic) -90 Polybutadiene (Isotactic) -90 Polydimethylsiloxane (Silicone Rubber) -123 Copolymers and Blends Acrylonitrile-butadiene-styrene (ABS) 80-125 Polyacetal - polyethylene ~40 Fluoropolymer - ETFE ~20 Fluoropolymer - FEP 11 Fluoropolymer - ECTFE ~0 Polyethylene vinyl acetate (EVA) -42 Poly chloroprene (chloroprene rubber or neoprene) -50 High-Density Polyethylene (HDPE) -90 Low-Density Polyethylene (LDPE) -110 Polytetrafluoroethylene (PTFE) -97 705 535-625 530-550 300 290 220 212 212 190 185 155 135 113 35 35 15 0 0 -13 -5 -31 -49 -58 -69 -95 -100 -130 -130 -190 ~640 a a 265 334 317 a 240 220-627 121 285 265 265 220 105 45 175 175 175 128 200 156 90-96 181 66 128 28 154 120 -54 ~1185 a a 510 635 600 a 465 428-513 415 545 510 510 428 220 115 347 347 347 262 390 313 194-205 358 151 260 80 310 250 -65 176-257 ~104 ~68 52 ~32 -44 -60 -130 -165 -140 190 175 270 275 245 65-90 80 137 115 327 374 347 518 527 473 149-194 175 279 240 620 a = these polymers normally exist at least 95% non-crystalline Adapted from Polymer Engineering Principles (Progelhof and Throne) 5|Page A Tabulation of Diffusion Data Diffusing Species Host Metal D 0 (m 2 /s) Cb α – Fe (BCC)a 1.1 × 10−6 87.4 Cc γ – Fe (FCC)a 2.3 × 10−5 148 Nb Nc α – Fe (BCC)a γ – Fe (FCC)a 5.0 × 10−7 9.1 × 10−5 77 168 Fec α – Fe (BCC)a 2.8 × 10−4 251 Fec γ – Fe (FCC)a 5.0 × 10−5 284 Cud Alc Mgc Znc Mod Nid Cu Al Mg Zn Mo Ni 2.5 × 10−5 2.3 × 10−4 1.5 × 10−4 1.5 × 10−5 1.8 × 10−4 1.9 × 10−4 200 144 136 94 461 285 Activation Energy Q d (kJ/m ol) Calculated Value T(°C) D(m 2 /s) Interstitial Diffusion 500 900 900 1100 500 500 1.4 × 10−12 1.4 × 10−10 5.9× 10−12 5.3 × 10−11 3.1 × 10−12 4.0 × 10−16 500 900 900 1100 500 500 500 500 500 500 3.0 × 10−21 1.8 × 10−15 1.1 × 10−17 7.7 × 10−16 7.5 × 10−19 4.2 × 10−14 9.6× 10−14 6.6 × 10−12 1.2 × 10−35 1.0 × 10−23 500 500 500 500 500 500 4.0 × 10−18 8.7 × 10−13 4.2 × 10−14 1.9 × 10−13 1.3 × 10−22 5.4 × 10−20 Self-Diffusion Znc Cu Zn Al Al Ni Cu Cuc Cuc Mgc Cuc Nid Interdiffusion (Vacancy) 189 2.4 × 10−5 2.1 × 10−4 6.5 × 10−5 1.2 × 10−4 2.7 × 10−5 1.9 × 10−4 124 136 130 256 230 Tabulation of Error Function Values z 0 0.025 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 erf(z) 0 0.0282 0.0564 0.1125 0.1680 0.2227 0.2763 0.3286 0.3794 0.4284 0.4755 0.5205 z 0.55 0.60 0.65 0.70 0.75 0.80 0.85 0.90 0.95 1.0 1.1 1.2 erf(z) 0.5633 0.6039 0.6420 0.6778 0.7112 0.7421 0.7707 0.7970 0.8209 0.8427 0.8802 0.9103 z 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.2 2.4 2.6 2.8 erf(z) 0.9340 0.9523 0.9661 0.9763 0.9838 0.9891 0.9928 0.9953 0.9981 0.9993 0.9998 0.9999 Adapted from Callister & Rethwisch 9e. 6|Page Room-Temperature Yield Strength and Plane Strain Fracture Toughness Data for Selected Engineering Materials Aluminum alloya (7075-T651) Aluminum alloya (2024-T3) Titanium alloya (Ti-6Al-4V) Alloy steela (4340 tempered @ 260°C) Alloy steela (4340 tempered @ 425°C) Yield Strength MPa ksi Metals 495 72 KIc π΄π·π√π πππ√ππ. 24 22 345 50 44 40 910 132 55 50 1640 238 50.0 45.8 1420 206 87.4 80.0 — — — 0.2-1.4 0.7-0.8 2.7-5.0 0.18-1.27 0.64-0.73 2.5-4.6 25.0-69.0 3.63-10.0 0.7-1.1 0.64-1.0 53.8-73.1 7.8-10.6 0.7-1.6 0.64-1.5 62.1 9.0 2.2 2.0 Ceramics Concrete Soda-lime glass Aluminum oxide — — — Polymers Polystyrene (PS) Poly(methyl methacrylate) (PMMA) Polycarbonate (PC) Adapted from Callister & Rethwisch 9e. Figure 2: Hardness vs. Tensile Strength – Low Alloy Cast Steels Regardless of Heat Treatment. Source Book on Industrial Alloy and Engineering Data 7|Page S – N Curves Figure 3 : S – N Curves for various Materials S-590 Alloy – Rupture Lifetimes Figure 4: Stress vs. Rupture Lifetime Figure 5: Stress vs. Steady-State Creep Rate Adapted from Callister & Rethwisch 9e. 8|Page S – N Curve for 1040 Steel Figure 6: Normalized and Tempered Figure 7: Full Annealed Curves for Various Steels Figure 8: S – N Curves for Normalized and Tempered Steels Figure 9: Endurance Limit vs. Tensile Strength Source Book on Industrial Alloy and Engineering Data 1978 9|Page Figure 10: Iron Carbon Diagram Adapted from Callister & Rethwisch 9e. 10 | P a g e Figure 11: A2 Steel Rockwell Hardness vs. Tempering Temperature Figure 12: Cast – Low Alloy Steels tested at 40β Source Book on Industrial Alloy and Engineering Data 1978 11 | P a g e Characteristics of Several Fiber-Reinforcement Materials Material Specific Gravity Tensile Strength GPa (106 psi) Specific Strength (GPa) Modulus of Elasticity GPa (106 psi) Specific Modulus (GPa) 700 (100) 350-380 (50-55) 700-1500 (100-220) 480 (70) 318 Whiskers Graphite 2.2 Silicon nitride 3.2 Aluminum oxide 4.0 Silicon carbide 3.2 Aluminum oxide 3.95 Aramid (Kevlar 49) 1.44 Carbona 1.78-2.15 E-glass 2.58 Boron 2.57 Silicon carbide 3.0 UHMWPE (Spectra 900) 0.97 Molybdenum 10.2 Tungsten 19.3 20 (3) 5-7 (0.75-1.0) 10-20 (1-3) 20 (3) 9.1 1.56-2.2 2.5-5.0 6.25 Fibers 1.38 0.35 (0.2) 3.6-4.1 2.5-2.85 (0.525-0.600) 1.5-4.8 0.70-2.70 (0.22-0.70) 3.45 1.34 (0.5) 3.6 1.40 (0.52) 3.9 1.30 (0.57) 2.6 2.68 (0.38) Metallic Wires (0.35) 2.2 0.22 (0.32) 2.89 0.15 (0.42) 379 (55) 131 (19) 228-724 (32-100) 72.5 (10.5) 400 (60) 400 (60) 117 109-118 175-375 150 96 91 106-407 28.1 156 133 121 (17) (30) 324 (47) 407 (59) 31.8 21.1 Adapted from Callister & Rethwisch 9e. 12 | P a g e Time – Temperature – Transformation Diagrams Figure 13: Carbon Steels: 1080 13 | P a g e Time – Temperature – Transformation Diagrams Figure 14: Carbon Steels: 1050 Figure 15: Manganese Steels: 1335 Source Book on Industrial Alloy and Engineering Data 1978 14 | P a g e Figure 16: Chromium Steels: 5140 Figure 17: Vanadium Steels: 6150 Source Book on Industrial Alloy and Engineering Data 1978 15 | P a g e Figure 18: Nickel – Chromium Steels: 3140 Figure 19: Nickel – Chromium Molybdenum Steels: 9440 Source Book on Industrial Alloy and Engineering Data 1978 16 | P a g e Figure 20: Carbon – Molybdenum Steels: 4037 Figure 21: Chromium – Molybdenum Steels: 4140 Source Book on Industrial Alloy and Engineering Data 1978 17 | P a g e Figure 22: 4140 Effect of Mass Figure 23: 4140 Tempering Temperatures Source Book on Industrial Alloy and Engineering Data 1978 18 | P a g e Galvanic Series The Standard emf Series Increasingly Inert (Cathodic) Increasingly Active (Anodic) Au3+ + 3e− → Au O2 + 4H+ + 4e− → 2H2O Pt2+ + 2e− → Pt Ag+ + e− → Ag Fe3+ + e− → Fe2+ O2 + 2H2O + 4e− → 4(OH−) Cu2+ + 2e− → Cu 2H+ + 2e− → H2 Pb2+ + 2e− → Pb Sn2+ + 2e− → Sn Ni2+ + 2e− → Ni Co2+ + 2e− → Co Cd2+ + 2e− → Cd Fe2+ + 2e− → Fe Cr3+ + 3e− → Cr Zn2+ + 2e− → Zn Al3+ + 3e− → Al Mg2+ + 2e− → Mg Na+ + e− → Na K+ + e − → K +1.420 +1.229 ∼+1.2 +0.800 +0.771 +0.401 +0.340 0.000 −0.126 −0.136 −0.250 −0.277 −0.403 −0.440 −0.744 −0.763 −1.662 −2.363 −2.714 −2.924 Adapted from Callister & Rethwisch 9e. Galvanic Series: Adapted from Callister & Rethwisch 9e. and Uhlig, Revie, Corrosion and Corrosion Control 1985. Increasingly Inert (Cathodic) Increasingly Active (Anodic) Platinum Gold Graphite 18 – 8 Stainless Steel, type 316 (passive) 18 – 8 Stainless Steel, type 304 (passive) Titanium 70Ni – 30Cu (Monel) Inconel 600 (76Ni – 16Cr – 7Fe) (passive) Nickel (passive) 88Cu – Zn – 6.5Sn – 1.5Pb (Composition M – Bronze) 88Cu – Zn – 10Sn (Composition G – Bronze) 70Cu – 30Ni 5 Zn – 20Ni, Balc. Cu (Ambrac) Silicon Bronze Copper Red Brass Aluminum Bronze Yellow Brass 76 Ni – Cr7Fe (Inconel 600) (active) Nickel (active) Naval Brass Manganese Bronze Muntz Metal Tin Lead 18 – 8, 3% Mo Stainless Steel, type 316 (active) 18 – 8 Stainless Steel, type 304 (active) 50 – 50 Lead – Tin Solder 13% Chromium Stainless Steel, type 410 (active) Ni – Resist Cast Iron Wrought Iron Mild Steel Aluminum 2024T Aluminum 2017T Alclad Aluminum Aluminum 6053T Aluminum 1100 Aluminum 3003 Aluminum 3004 Aluminum 5052H Zinc Magnesium and Magnesium Alloys Magnesium 19 | P a g e