b-Praseodymium Pr 14 2 P 99.93 800–900 29.4 8.7 Zinc Cu64 S ||c 99.999 338–415 29.53 2.22 β-Titanium Ni 63 P 99.7 925–1600 29.6 9.2 x 10 –3 Aluminum Cd 115 S 99.999 441–631 29.7 1.04 Zinc Au 198 S⊥c 99.999 315–415 29.72 0.29 Zinc Au 198 S||c 99.999 315–415 29.73 0.97 Calcium C 14 99.95 550–800 29.8 3.2 x 10 –5 Selenium S 35 S⊥c 60–90 29.9 1700 b–Zirconium Zr 95 P 1100–1500 30.1 2.4 x 10 –4 γ-Uranium Au 195 P 99.99 785–1007 30.4 4.86 x 10 –3 β–Zirconium U 235 P 900–1065 30.5 5.7 x 10 –4 β-Titanium Co 60 P 99.7 900–1600 30.6 1.2 x 10 –2 Table 353. SELECTING DIFFUSION ACTIVATION ENERGY IN METALLIC SYSTEMS * (SHEET 14 OF 33) Metal Tracer Crystal Form Purity % Temperature Range ˚C Activation Energy, Q kcal • mol –1 Frequency Factor, D o cm 2 • s –1 Source: data from Askill, J.,in .,Weast, R.C., Ed., CRC Press, Cleveland,1974, F61. 13.3 sel Thermodynamics L Page 1402 Wednesday, December 31, 1969 17:00 ©2001 CRC Press LLC b–Zirconium Be 7 P 99.7 915–1300 31.1 8.33 x 10 –2 β-Titanium Ti 44 P 99.95 900–1540 31.2 3.58 x 10 –4 α-Zirconium Nb 95 P 99.99 740–857 31.5 6.6 x 10 –6 β-Titanium Fe 59 P 99.7 900–1600 31.6 7.8 x 10 –3 b-Titanium Sn 113 P 99.7 950–1600 31.6 3.8 x 10 –4 Niobium C 14 P 800–1250 32.0 1.09 x 10 –5 Magnesium Mg 28 S||c 467–635 32.2 1.0 β-Titanium V 48 P 99.95 900–1545 32.2 3.1 x 10 –4 Aluminum Cu 64 S 99.999 433–652 32.27 0.647 β-Titanium Sc 46 P 99.95 940–1590 32.4 4.0 x 10 –3 Magnesium Mg 28 S⊥c 467–635 32.5 1.5 β–Zirconium P 32 P 99.94 950–1200 33.3 0.33 Table 353. SELECTING DIFFUSION ACTIVATION ENERGY IN METALLIC SYSTEMS * (SHEET 15 OF 33) Metal Tracer Crystal Form Purity % Temperature Range ˚C Activation Energy, Q kcal • mol –1 Frequency Factor, D o cm 2 • s –1 Source: data from Askill, J.,in .,Weast, R.C., Ed., CRC Press, Cleveland,1974, F61. 13.3 sel Thermodynamics L Page 1403 Wednesday, December 31, 1969 17:00 ©2001 CRC Press LLC b-Titanium Mn 54 P 99.7 900–1600 33.7 6.1 x 10 –3 Aluminum Al 27 S 450–650 34.0 1.71 Cobalt C 14 P 99.82 600–1400 34.0 0.21 γ-Iron C 14 P 99.34 800–1400 34.0 0.15 Nickel C l4 P 99.86 600–1400 34.0 0.012 Vanadium S 35 P 99.8 1320 1520 34.0 3.1 x l0 –2 β–Zirconium C 14 P 96.6 1100–1600 34.2 3.57 x 10 –2 Calcium U 235 99.95 500–700 34.8 l.l x 10 –5 b-Titanium Cr 51 P 99.7 950–1600 35.1 5 x 10 –3 β–Zirconium Mo 99 P 900–1635 35.2 1.99 x 10 –6 β-Titanium Zr 95 P 98.94 920–1500 35.4 4.7 x 10 –3 Tellurium Te 127 S||c 99.9999 300–400 35.5 130 Table 353. SELECTING DIFFUSION ACTIVATION ENERGY IN METALLIC SYSTEMS * (SHEET 16 OF 33) Metal Tracer Crystal Form Purity % Temperature Range ˚C Activation Energy, Q kcal • mol –1 Frequency Factor, D o cm 2 • s –1 Source: data from Askill, J.,in .,Weast, R.C., Ed., CRC Press, Cleveland,1974, F61. 13.3 sel Thermodynamics L Page 1404 Wednesday, December 31, 1969 17:00 ©2001 CRC Press LLC a-Titanium Ti 44 P 99.99 700–850 35.9 8.6 x 10 –6 Silver Ge 77 P 640–870 36.5 0.084 β–Zirconium Nb 95 P 1230–1635 36.6 7.8 x 10 –4 Gold Hg 203 S 99.994 600–1027 37.38 0.116 Copper Pt 195 P 843–997 37.5 4.8 x 10 –4 Beryllium Be 7 S⊥c 99.75 565–1065 37.6 0.52 Silver Tl 204 P 640–870 37.9 0.15 Silver Hg 20 3 P 99.99 653–948 38.1 0.079 Silver Pb 210 P 700–865 38.1 0.22 Calcium Ca 45 99.95 500–800 38.5 8.3 β–Hafnium Hf 181 P 97.9 1795–1995 38.7 1.2 x10 –3 Silver Te 125 P 770–940 38.90 0.47 Table 353. SELECTING DIFFUSION ACTIVATION ENERGY IN METALLIC SYSTEMS * (SHEET 17 OF 33) Metal Tracer Crystal Form Purity % Temperature Range ˚C Activation Energy, Q kcal • mol –1 Frequency Factor, D o cm 2 • s –1 Source: data from Askill, J.,in .,Weast, R.C., Ed., CRC Press, Cleveland,1974, F61. 13.3 sel Thermodynamics L Page 1405 Wednesday, December 31, 1969 17:00 ©2001 CRC Press LLC Silver Sb 124 P 99.999 780–950 39.07 0.234 Beryllium Ag 110 S||c 99.75 650–900 39.3 0.43 β-Titanium Nb 95 P 99.7 1000–1600 39.3 5.0 x 10 –3 Silver Sn 113 S 99.99 592–937 39.30 0.255 Beryllium Be 7 S||c 99.75 565–1065 39.4 0.62 γ-Uranium Nb 95 P 99.99 791–1102 39.65 4.87 x 10 –2 Germanium In 114 S 600–920 39.9 2.9 x 10 –4 Silver S 35 S 99.999 600–900 40.0 1.65 a–Uranium U 234 P 580–650 40.0 2 x 10 –3 Gold Ag 110 S 99.99 699–1007 40.2 0.072 β-Titanium Be 7 P 99.96 915–1300 40.2 0.8 Tantalum C 14 P 1450–2200 40.3 1.2 x 10 –2 Table 353. SELECTING DIFFUSION ACTIVATION ENERGY IN METALLIC SYSTEMS * (SHEET 18 OF 33) Metal Tracer Crystal Form Purity % Temperature Range ˚C Activation Energy, Q kcal • mol –1 Frequency Factor, D o cm 2 • s –1 Source: data from Askill, J.,in .,Weast, R.C., Ed., CRC Press, Cleveland,1974, F61. 13.3 sel Thermodynamics L Page 1406 Wednesday, December 31, 1969 17:00 ©2001 CRC Press LLC Silver In 114 S 99.99 592–937 40.80 0.41 Molybdenum C 14 P 99.98 1200–1600 41.0 2.04 x 10 –2 Tellurium Tl 204 P 360–430 41.0 320 β–Zirconium Ce 141 P 880–1600 41.4 3.16 Lithium Sb 124 P 99.95 141–176 41.5 1.6 x 10 10 Silicon P 32 S 1100–1250 41.5 – Gold Co 60 P 99.93 702–948 41.6 0.068 Gold Fe 59 P 99.93 701–948 41.6 0.082 Silver Cd 115 S 99.99 592–937 41.69 0.44 Silver Zn 65 S 99.99 640–925 41.7 0.54 Aluminum Cr 51 S 99.999 422–654 41.74 464 Copper Sb 124 S 99.999 600–1000 42.0 0.34 Table 353. SELECTING DIFFUSION ACTIVATION ENERGY IN METALLIC SYSTEMS * (SHEET 19 OF 33) Metal Tracer Crystal Form Purity % Temperature Range ˚C Activation Energy, Q kcal • mol –1 Frequency Factor, D o cm 2 • s –1 Source: data from Askill, J.,in .,Weast, R.C., Ed., CRC Press, Cleveland,1974, F61. 13.3 sel Thermodynamics L Page 1407 Wednesday, December 31, 1969 17:00 ©2001 CRC Press LLC Copper As 76 P 810–1075 42.13 0.20 Gold Au 198 S 99.97 850–1050 42.26 0.107 α-Iron K 42 P 99.92 500–800 42.3 0.036 Copper Au 193 S, P 400–1050 42.6 0.03 b-Titanium Mo 99 P 99.7 900–1600 43.0 8.0 x 10 –3 Beryllium Ag 110 S⊥c 99.75 650–900 43.2 1.76 β-Titanium Ag 110 P 99.95 940 1570 43.2 3 x 10 –3 Copper Tl 204 S 99.999 785–996 43.3 0.71 g-Iron P 32 P 99.99 950–1200 43.7 0.01 β-Titanium W 185 P 99.94 900–1250 43.9 3.6 x 10 –3 Copper Hg 203 P _ 44.0 0.35 β–Uranium U 235 P 690–750 44.2 2.8 x10 –3 Table 353. SELECTING DIFFUSION ACTIVATION ENERGY IN METALLIC SYSTEMS * (SHEET 20 OF 33) Metal Tracer Crystal Form Purity % Temperature Range ˚C Activation Energy, Q kcal • mol –1 Frequency Factor, D o cm 2 • s –1 Source: data from Askill, J.,in .,Weast, R.C., Ed., CRC Press, Cleveland,1974, F61. 13.3 sel Thermodynamics L Page 1408 Wednesday, December 31, 1969 17:00 ©2001 CRC Press LLC Copper Ge 68 S 99.998 653–1015 44.76 0.397 Copper Sn 113 P 680–910 45.0 0.11 Lanthanum Au 198 P 99.97 600–800 45.1 1.5 Silver Ag 110 S 99.999 640–955 45.2 0.67 a-Zirconium Zr 95 P 99.95 750–850 45.5 5.6 x 10 –4 Copper Cd 115 S 99.98 725–950 45.7 0.935 β–Zirconium V 48 P 99.99 870–1200 45.8 7.59 x 10 –3 Copper Ga 72 _ 45.90 0.55 Aluminum Fe 59 S 99.99 550–636 46.0 135 Gold Ni 63 P 99.96 880–940 46.0 0.30 Silver Cu 64 P 99.99 717–945 46.1 1.23 Nickel Be 7 P 99.9 1020–1400 46.2 0.019 Table 353. SELECTING DIFFUSION ACTIVATION ENERGY IN METALLIC SYSTEMS * (SHEET 21 OF 33) Metal Tracer Crystal Form Purity % Temperature Range ˚C Activation Energy, Q kcal • mol –1 Frequency Factor, D o cm 2 • s –1 Source: data from Askill, J.,in .,Weast, R.C., Ed., CRC Press, Cleveland,1974, F61. 13.3 sel Thermodynamics L Page 1409 Wednesday, December 31, 1969 17:00 ©2001 CRC Press LLC Copper Ag 110 S, P 580–980 46.5 0.61 Tellurium Te 127 S⊥c 99.9999 300–400 46.7 3.91 x 10 4 Silicon Au 198 S 700–1300 47.0 2.75 x 10 –3 Carbon Ni 63 ⊥c 540–920 47.2 102 Lithium Bi P 99.95 141–177 47.3 5.3 x 10 13 Copper Zn 65 P 99.999 890–1000 47.50 0.73 α-Zirconium Fe 55 P 750–840 48.0 2.5 x 10 –2 β–Zirconium Fe 55 P 750–840 48.0 2.5 x 10 –2 Silver Au 198 P 99.99 718–942 48.28 0.85 Silver Co 60 S 99.999 700–940 48.75 1.9 Silver Fe 59 S 99.99 720–930 49.04 2.42 Copper S 35 S 99.999 800–1000 49.2 23 Table 353. SELECTING DIFFUSION ACTIVATION ENERGY IN METALLIC SYSTEMS * (SHEET 22 OF 33) Metal Tracer Crystal Form Purity % Temperature Range ˚C Activation Energy, Q kcal • mol –1 Frequency Factor, D o cm 2 • s –1 Source: data from Askill, J.,in .,Weast, R.C., Ed., CRC Press, Cleveland,1974, F61. 13.3 sel Thermodynamics L Page 1410 Wednesday, December 31, 1969 17:00 ©2001 CRC Press LLC [...]... Tantalum Tantalum Niobium Chromium 1100 120 0 70 1400 0.606 0.61 0.61 0.611 Source: data from Ho, C Y., Powell, R W., and Liley, P E., Thermal Conductictivity of Selected Materials, NSRDS–NBS–8 and NSRD-NBS-16, Part 2 , National Standard Reference Data System–National Bureau of Standards, Part 1, 1966; Part 2, 1968 ©2001 CRC Press LLC 1428 CRC Handbook of Materials Science & Engineering 14.1 sel Thermal Page... 90 1 0.396 0.401 0.401 0.401 Source: data from Ho, C Y., Powell, R W., and Liley, P E., Thermal Conductictivity of Selected Materials, NSRDS–NBS–8 and NSRD-NBS-16, Part 2 , National Standard Reference Data System–National Bureau of Standards, Part 1, 1966; Part 2, 1968 ©2001 CRC Press LLC 1426 CRC Handbook of Materials Science & Engineering 14.1 sel Thermal Page 1427 Wednesday, December 31, 1969 17:00... 1000 3 1 0.748 0.748 0.749 0.75 Source: data from Ho, C Y., Powell, R W., and Liley, P E., Thermal Conductictivity of Selected Materials, NSRDS–NBS–8 and NSRD-NBS-16, Part 2 , National Standard Reference Data System–National Bureau of Standards, Part 1, 1966; Part 2, 1968 ©2001 CRC Press LLC 1430 CRC Handbook of Materials Science & Engineering 14.1 sel Thermal Page 1431 Wednesday, December 31, 1969 17:00... 300 40 0.948 0.96 0.968 0.97 Source: data from Ho, C Y., Powell, R W., and Liley, P E., Thermal Conductictivity of Selected Materials, NSRDS–NBS–8 and NSRD-NBS-16, Part 2 , National Standard Reference Data System–National Bureau of Standards, Part 1, 1966; Part 2, 1968 ©2001 CRC Press LLC 1432 CRC Handbook of Materials Science & Engineering 14.1 sel Thermal Page 1433 Wednesday, December 31, 1969 17:00... 100 200 11 4 1.58 1.59 1.6 1.6 Source: data from Ho, C Y., Powell, R W., and Liley, P E., Thermal Conductictivity of Selected Materials, NSRDS–NBS–8 and NSRD-NBS-16, Part 2 , National Standard Reference Data System–National Bureau of Standards, Part 1, 1966; Part 2, 1968 ©2001 CRC Press LLC 1436 CRC Handbook of Materials Science & Engineering 14.1 sel Thermal Page 1437 Wednesday, December 31, 1969 17:00... Selected Materials, NSRDS–NBS–8 and NSRD-NBS-16, Part 2 , National Standard Reference Data System–National Bureau of Standards, Part 1, 1966; Part 2, 1968 ©2001 CRC Press LLC 1434 CRC Handbook of Materials Science & Engineering 14.1 sel Thermal Page 1435 Wednesday, December 31, 1969 17:00 Selecting Thermal Properties Table 354 SELECTING THERMAL CONDUCTIVITY OF METALS * (SHEET 12 OF 29) Metal Temperature... 600 120 0 200 1.04 1.05 1.05 1.06 Cadmium Tungsten Lead Zirconium 80 1600 13 12 1.06 1.07 1.07 1.08 Zirconium Tantalum Molybdenum Cadmium 18 10 1100 70 1.08 1.08 1.08 1.08 Source: data from Ho, C Y., Powell, R W., and Liley, P E., Thermal Conductictivity of Selected Materials, NSRDS–NBS–8 and NSRD-NBS-16, Part 2 , National Standard Reference Data System–National Bureau of Standards, Part 1, 1966; Part. .. Zirconium 15 1600 500 25 0.84 0.842 0.848 0.85 Source: data from Ho, C Y., Powell, R W., and Liley, P E., Thermal Conductictivity of Selected Materials, NSRDS–NBS–8 and NSRD-NBS-16, Part 2 , National Standard Reference Data System–National Bureau of Standards, Part 1, 1966; Part 2, 1968 ©2001 CRC Press LLC Shackelford & Alexander 1431 14.1 sel Thermal Page 1432 Wednesday, December 31, 1969 17:00 Selecting... Niobium 300 600 5 100 0.537 0.547 0.549 0.552 Source: data from Ho, C Y., Powell, R W., and Liley, P E., Thermal Conductictivity of Selected Materials, NSRDS–NBS–8 and NSRD-NBS-16, Part 2 , National Standard Reference Data System–National Bureau of Standards, Part 1, 1966; Part 2, 1968 ©2001 CRC Press LLC Shackelford & Alexander 1427 14.1 sel Thermal Page 1428 Wednesday, December 31, 1969 17:00 Selecting... 120 0 1600 2 1100 0.282 0.29 0.292 0.297 Source: data from Ho, C Y., Powell, R W., and Liley, P E., Thermal Conductictivity of Selected Materials, NSRDS–NBS–8 and NSRD-NBS-16, Part 2 , National Standard Reference Data System–National Bureau of Standards, Part 1, 1966; Part 2, 1968 ©2001 CRC Press LLC Shackelford & Alexander 1425 14.1 sel Thermal Page 1426 Wednesday, December 31, 1969 17:00 Selecting . Press, Cleveland,1974, F61. 13.3 sel Thermodynamics L Page 1410 Wednesday, December 31, 1969 17:00 ©2001 CRC Press LLC Vanadium P 32 P 99.8 120 0–1450 49.8 2.45 x l0 –2 Germanium Sb 124 S 720–900. .,Weast, R.C., Ed., CRC Press, Cleveland,1974, F61. 13.3 sel Thermodynamics L Page 1 412 Wednesday, December 31, 1969 17:00 ©2001 CRC Press LLC Germanium Te 125 S 770–900 56.0 2.0 α-Iron Ni 63 P. 0.1 β–Zirconium V 48 P 99.99 120 0–1400 57.7 0.32 Beryllium Ni 63 P 800 125 0 58.0 0.2 Chromium Mo 99 P 1100–1420 58.0 2.7 x 10 –3 Nickel Sn 113 P 99.8 700–1350 58.0 0.83 Nickel Fe 59 P 1020 126 3 58.6 0.074 Table