Supplément au Journal de Physique Colloques

Sommaire

32 nd International Field Emission Symposium / 32ème Symposium International d'Emission de Champ

J. Phys. Colloques 47 (1986) C2-171-C2-177
DOI: 10.1051/jphyscol:1986225

A STUDY OF G.P. ZONES IN Al-Cu ALLOYS BY ATOM-PROBE FIM

T. HASHIZUME¹, K. HONO², Y. HASEGAWA¹, K. HIRANO² et T. SAKURAI¹

¹ The Institute for Solid State Physics, The University of Tokyo, Minato-ku, Tokyo, Japan
² Department of Materials Science, Tohoku University, Sendai, Japan

Abstract
G. P. zones in an Al-1.7at% Cu alloy were investigated on an atomic scale using the high-power ToF atom-probe. The Cu concentration of the multi-layer zones was found to be in a range of 25 to 45at%, contrary to general belief that they consist of 100% pure Cu atoms.