Q3: (20 points) The first three diffraction angles of the XRD pattem are observed using Cu...
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Q3: (20 points) The first three diffraction angles of the XRD pattem are observed using Cu K alphs (0.14506 nm) at 20 = 38.6°, 55.7°, and 70°. a) Find whether this metal's crystal structure is BCC, or FCC or neither BCC or FCC and explain the reason for your choice. b) Identify which of the metal in the table gives this diffraction pattern. Crystal Structure Metal Aluminum FCC Cadmium HCP Chromium BCC HCP FCC FCC Cobalt Copper Gold Iron (a) Lead BCC FCC Atomic Radius (nm) 0.1431 0.1490 0.1249 0.1253 0.1278 0.1442 0.1241 0.1750 Metal Molybdenum Nickel Platinum Silver Tantalum Titanium (a) Tungsten Zinc Crystal Structure BCC FCC FCC FCC BCC HCP BCC HCP Atomic Radius (nm) 0.1363 0.1246 0.1387 0.1445 0.1430 0.1445 0.1371 0.1332 Q3: (20 points) The first three diffraction angles of the XRD pattem are observed using Cu K alphs (0.14506 nm) at 20 = 38.6°, 55.7°, and 70°. a) Find whether this metal's crystal structure is BCC, or FCC or neither BCC or FCC and explain the reason for your choice. b) Identify which of the metal in the table gives this diffraction pattern. Crystal Structure Metal Aluminum FCC Cadmium HCP Chromium BCC HCP FCC FCC Cobalt Copper Gold Iron (a) Lead BCC FCC Atomic Radius (nm) 0.1431 0.1490 0.1249 0.1253 0.1278 0.1442 0.1241 0.1750 Metal Molybdenum Nickel Platinum Silver Tantalum Titanium (a) Tungsten Zinc Crystal Structure BCC FCC FCC FCC BCC HCP BCC HCP Atomic Radius (nm) 0.1363 0.1246 0.1387 0.1445 0.1430 0.1445 0.1371 0.1332
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Materials Science and Engineering An Introduction
ISBN: 978-1118324578
9th edition
Authors: William D. Callister Jr., David G. Rethwisch
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