Studying the Effect of Adding Doekhla kaolin Clay andAlumina to Iraqi Bauxite on Some Physical and Mechanical and Thermal Properties

Abstract

???? ????? ??? ????? ????? ????????? ?? ???? ????? ?????? ??? ??????? ????????? ( ??? ??????) ? ????? ????? ??? ???????? ??? ????? ??????? ?????? ???????? ??????? ???? ? ?? ??????? ?????? ???????? ????? ?????. ?? ????? ??? ?????? ???? ????????? ????? ???????? ?????? ????????? ?? ????? (40) ?? ?? ?????? ????????, ??????? ????????? ????? (2.5,5,7.5,10 %) ???? ????? ?????.?? ???? ?????? ?????? ??????? ??????? ?????? ???????.???? ????? ???? ??????? ?????? ????? ??? ????? ???? ??? ????? ??????? (10) Ton ?????? ????? ?? (5-10)% ?? ??? ??????.???? ???? ??????? ????? ?????? ????? (1200) °? ??? ?????? ??? ?? ???? ???? ??????? (5) °? ??? ????? ?? ???? ??????? ?????? ??? ??? ???????? ???? ?????????? ???????????? ?????????.????? ????? ???????? ??????? ?? ??? ?? ??????? ??????? ?????? ??????? ?? ???? ??????? ??????? ???? ???? ?????? ?? ???? ???? ?? ???????? ?????? ?? ??????? ?????? ?????? ??? ??????? ?????? ?????? ?????? ?????? ???????? ???? ??? ???????? ???????? ????? ?????? ????? ????? ??????? ???????.??? ????? ??????? ?? ???? ????????? ?? ????????? ????? ??? ???? ???? ????? ??? ???????? ??? ????? ???? ????????? ??????? ????? ?????? ??????? ???????.??? ????? ??????? ?? ???? ?????? ???????? ???????????? ???? ????? ??????? ???? ???? ???? ?????? ????????? ???? ????? (10