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Thermal expansion of rutile from 100 to 700 K

1967; The National Institute of Standards and Technology; Volume: 71A; Issue: 5 Linguagem: Inglês

10.6028/jres.071a.041

2376-5704

R. K. Kirby,

High-pressure geophysics and materials

The th e rma l ex pansion of a' s in gle c rys ta l of rutile (Ti02) wa s de te rmin ed in direc ti ons parall e l to its c rys ta ll og ra phi c axe s.A uniqu e macrosco pi c tec hniqu e was use d where in a cube-s h aped spec im e n wa s c ut fro m th e a ni sotrop ic c rys tal, eac h of it s s ix faces poli s hed Aa t and nearl y para lle l to th e face oppos ite it , and th e expan s ion meas ured a long eac h of its th ree bod y axes with an Abb e-Pu lfri c h inte rfe ro me te r.Th e re la ti ons h ip be twee n th e e xpan sio n a long th e body axes of the s pecim en a nd that in th e c r ys ta ll ograp hi c d irec ti ons was de te rmin ed from a Lau e x-ray patt e rn.