CREEP CHARACTERISTICS OF TENSION MEMBERS IN HIGH TEMPERATURES BY USING THE PHOTO-SCREEN METHOD
NATIONAL TECHNICAL UNIV ATHENS (GREECE) LAB FOR TESTING MATERIALS
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The photo-screen method was applied to two main problems a the study of material characteristics of common and special steels at room temperature and at their plastic region of deformation, and b the study of creep characteristics of various industrial metals and alloys at high temperatures. The first problem is an interesting application of the method developed for the study of plastic characteristics of materials at room temperature. Series of specimens made of Steel DIN.St.37 and the American Special Steel U.S.S.T.1 were studied and important results obtained for the strain distribution. Meanwhile, the preparation of the specimens made of copper, duraluminium and steel for the study of the creep comportment of these materials at higher temperatures is in progress.
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