Identify the thermal expansion coefficient from in situ high-T XRD-TisSig 2242 (3251) An accuracy of at least 0.06%is required. Asuejul 200 *L.T.Zhang and J.S.Wu,Scripta 400 59 Temperature Materialia,38(1998)307 60 600 0.755 61 800 28 64 TigSia 65 1000 66 0750 0.525 0.745 0.520 ● 0.740 ● 0.515 ● a-axis ●c-ais 0.735 0.510 0 200 400 600 800 1000 200 400 600 800 1000 Temperature(C) Temperature(c)*L.T. Zhang and J.S. Wu, Scripta Materialia, 38(1998)307 Identify the thermal expansion coefficient from in situ high-T XRD-Ti5Si3 An accuracy of at least 0.06% is required