{"id":{"repo_id":"greece","oai_identifier":"oai:10442/1675"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/1675","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΠΡΟΣΤΑΣΙΑ ΧΑΛΥΒΑ ΑΠΟ ΔΙΑΒΡΩΣΗ","abstract":"IT HAS BEEN PROVEN THAT STEEL CORROSION FOLLOWS THE MODEL OF WAGNER (GALVANIC ELEMENT). FOR THE PROTECTION OF STEEL FROM CORROSION, ANTICORROSIVE PAINTS CONTAINING PIGMENTS WITH H- SEMICONDUCTIVE PROPERTIES HAVE BEEN USED FOR THE FIRST TIME, AND THUS HAVE DEVELOPED A NEW LINE OF ANTI-CORROSIVE PAINTS. THIS HAS IMPORVED THE ANTICORROSIVE PROPERTIES OF THE ALREADY EXISTING PAINTS (SUCH AS THE COAL TAR EPOXY AND THE CHLORINATED RUBBER), WITH THE USAGE OF H-SEMICONDUCTORS (I.E. Γ-AL2O3, RED MUD, DOPPED OXIDES) OR, INSTEAD OF THE ABOVE, NEW PAINTS USING THE EPOXY AS BASE, HAVE BEEN DEVELOPED. THE PIGMENT CONTENT OF THE VEHICLES, HAS BEEN 30% C.M. THE USAGE OF THE CATHODIC PROTECTION HAS SHOWN THAT IN SEVERAL CASES IT GIVES THE BEST RESULTS FOR STEEL PROTECTION, WHILE WITHOUT ANY CATHODIC PROTECTION, THE BEST RESULTS ARE GIVEN BY THE ADDITION OF THE DOPPED Γ-AL2O3+1% MGO ON EPOXY VEHICLE.","abstract_html":"IT HAS BEEN PROVEN THAT STEEL CORROSION FOLLOWS THE MODEL OF WAGNER (GALVANIC ELEMENT). FOR THE PROTECTION OF STEEL FROM CORROSION, ANTICORROSIVE PAINTS CONTAINING PIGMENTS WITH H- SEMICONDUCTIVE PROPERTIES HAVE BEEN USED FOR THE FIRST TIME, AND THUS HAVE DEVELOPED A NEW LINE OF ANTI-CORROSIVE PAINTS. THIS HAS IMPORVED THE ANTICORROSIVE PROPERTIES OF THE ALREADY EXISTING PAINTS (SUCH AS THE COAL TAR EPOXY AND THE CHLORINATED RUBBER), WITH THE USAGE OF H-SEMICONDUCTORS (I.E. Γ-AL2O3, RED MUD, DOPPED OXIDES) OR, INSTEAD OF THE ABOVE, NEW PAINTS USING THE EPOXY AS BASE, HAVE BEEN DEVELOPED. THE PIGMENT CONTENT OF THE VEHICLES, HAS BEEN 30% C.M. THE USAGE OF THE CATHODIC PROTECTION HAS SHOWN THAT IN SEVERAL CASES IT GIVES THE BEST RESULTS FOR STEEL PROTECTION, WHILE WITHOUT ANY CATHODIC PROTECTION, THE BEST RESULTS ARE GIVEN BY THE ADDITION OF THE DOPPED Γ-AL2O3+1% MGO ON EPOXY VEHICLE.","abstract_has_math":false,"creators":["Βλάχος, Σωτήρης"],"institution":"Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1991,"date_issued":"1991","date_published":"1991","updated_at":"2026-07-24T02:25:02Z","subjects":["ANTI-CORROSIVE PAINTS","CATHODIC PROTECTION FROM EXTERNAL SOURCE","H-SEMICONDUCTOR (OXIDES)","PIGMENTS WITH H-SEMICONDUCTIVE PROPERTIES","PROTECTION OF STEEL FROM CORROSION","STEEL CORROSION","ΑΝΤΙΔΙΑΒΡΩΤΙΚΑ ΧΡΩΜΑΤΑ","ΔΙΑΒΡΩΣΗ ΧΑΛΥΒΑ","Η-ΗΜΙΑΓΩΓΟΣ (ΟΞΕΙΔΙΑ)","ΚΑΘΟΔΙΚΗ ΠΡΟΣΤΑΣΙΑ ΑΠΟ ΕΞΩΤΕΡΙΚΗ ΤΑΣΗ","ΠΙΓΜΕΝΤΑ ΜΕ Η-ΗΜΙΑΓΩΓΙΚΕΣ ΙΔΙΟΤΗΤΕΣ","ΠΡΟΣΤΑΣΙΑ ΧΑΛΥΒΑ ΑΠΟ ΔΙΑΒΡΩΣΗ","Engineering and Technology","Chemical Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Χημικού Μηχανικού"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1675"],"render_values":[{"text":"10.12681/eadd/1675","href":"https://doi.org/10.12681/eadd/1675","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/1675","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Βλάχος, Σωτήρης"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1991"]},{"key":"dc:publisher","label":"Institution","values":["Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)","National Technical University of Athens (NTUA)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["ANTI-CORROSIVE PAINTS","CATHODIC PROTECTION FROM EXTERNAL SOURCE","H-SEMICONDUCTOR (OXIDES)","PIGMENTS WITH H-SEMICONDUCTIVE PROPERTIES","PROTECTION OF STEEL FROM CORROSION","STEEL CORROSION","ΑΝΤΙΔΙΑΒΡΩΤΙΚΑ ΧΡΩΜΑΤΑ","ΔΙΑΒΡΩΣΗ ΧΑΛΥΒΑ","Η-ΗΜΙΑΓΩΓΟΣ (ΟΞΕΙΔΙΑ)","ΚΑΘΟΔΙΚΗ ΠΡΟΣΤΑΣΙΑ ΑΠΟ ΕΞΩΤΕΡΙΚΗ ΤΑΣΗ","ΠΙΓΜΕΝΤΑ ΜΕ Η-ΗΜΙΑΓΩΓΙΚΕΣ ΙΔΙΟΤΗΤΕΣ","ΠΡΟΣΤΑΣΙΑ ΧΑΛΥΒΑ ΑΠΟ ΔΙΑΒΡΩΣΗ","Engineering and Technology","Chemical Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Χημικού Μηχανικού"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["gre"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1675","http://hdl.handle.net/10442/hedi/1675"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["IT HAS BEEN PROVEN THAT STEEL CORROSION FOLLOWS THE MODEL OF WAGNER (GALVANIC ELEMENT). FOR THE PROTECTION OF STEEL FROM CORROSION, ANTICORROSIVE PAINTS CONTAINING PIGMENTS WITH H- SEMICONDUCTIVE PROPERTIES HAVE BEEN USED FOR THE FIRST TIME, AND THUS HAVE DEVELOPED A NEW LINE OF ANTI-CORROSIVE PAINTS. THIS HAS IMPORVED THE ANTICORROSIVE PROPERTIES OF THE ALREADY EXISTING PAINTS (SUCH AS THE COAL TAR EPOXY AND THE CHLORINATED RUBBER), WITH THE USAGE OF H-SEMICONDUCTORS (I.E. Γ-AL2O3, RED MUD, DOPPED OXIDES) OR, INSTEAD OF THE ABOVE, NEW PAINTS USING THE EPOXY AS BASE, HAVE BEEN DEVELOPED. THE PIGMENT CONTENT OF THE VEHICLES, HAS BEEN 30% C.M. THE USAGE OF THE CATHODIC PROTECTION HAS SHOWN THAT IN SEVERAL CASES IT GIVES THE BEST RESULTS FOR STEEL PROTECTION, WHILE WITHOUT ANY CATHODIC PROTECTION, THE BEST RESULTS ARE GIVEN BY THE ADDITION OF THE DOPPED Γ-AL2O3+1% MGO ON EPOXY VEHICLE.","ΕΧΕΙ ΑΠΟΔΕΙΧΘΕΙ ΟΤΙ Η ΔΙΑΒΡΩΣΗ ΤΟΥ ΧΑΛΥΒΑ ΑΚΟΛΟΥΘΕΙ ΤΟ ΜΟΝΤΕΛΟ ΤΟΥ WAGNER (ΓΑΛΒΑΝΙΚΟ ΣΤΟΙΧΕΙΟ). ΓΙΑ ΤΗΝ ΠΡΟΣΤΑΣΙΑ ΤΟΥ ΧΑΛΥΒΑ ΑΠΟ ΤΗΝ ΔΙΑΒΡΩΣΗ, ΧΡΗΣΙΜΟΠΟΙΗΘΗΚΑΝ ΑΝΤΙΔΙΑΒΡΩΤΙΚΑ ΧΡΩΜΑΤΑ ΠΟΥ ΠΕΡΙΕΙΧΑΝ ΠΙΓΜΕΝΤΑ ΜΕ Η-ΗΜΙΑΓΩΓΙΚΕΣ ΙΔΙΟΤΗΤΕΣ ΓΙΑ ΠΡΩΤΗ ΦΟΡΑ ΚΑΙ ΕΤΣΙ ΑΝΑΠΤΥΧΘΗΚΕ ΜΙΑ ΝΕΑ ΣΕΙΡΑ ΑΝΤΙΔΙΑΒΡΩΤΙΚΩΝ ΧΡΩΜΑΤΩΝ. ΕΤΣΙ, ΒΕΛΤΙΩΘΗΚΑΝ ΟΙ ΑΝΤΙΔΙΑΒΡΩΤΙΚΕΣ ΙΔΙΟΤΗΤΕΣ ΗΔΗ ΥΠΑΡΧΟΝΤΩΝ ΧΡΩΜΑΤΩΝ (ΟΠΩΣ Η COAL TAR EPOXY ΚΑΙ ΤΟ ΧΛΩΡΙΩΜΕΝΟ ΚΑΟΥΤΣΟΥΚ) ΜΕ ΤΗ ΧΡΗΣΗ Η -ΗΜΙΑΓΩΓΩΝ (Π.Χ. Γ-AL2O3, ΕΡΥΘΡΑ ΙΛΥΣ, 'Η ΜΙΚΤΑ ΟΞΕΙΔΙΑ 'Η ΚΑΙ ΑΝΑΠΤΥΧΘΗΚΑΝ ΝΕΑ ΧΡΩΜΑΤΑ ΧΡΗΣΙΜΟΠΟΙΩΝΤΑΣ ΣΑΝΒΑΣΗ ΤΟΝ ΕΠΟΞΕΙΔΙΚΟ ΦΟΡΕΑ. Η ΠΕΡΙΕΚΤΙΚΟΤΗΤΑ ΤΩΝ ΦΟΡΕΩΝ ΣΕ ΠΙΓΜΕΝΤΟ ΗΤΑΝ 30% Κ.Β. Η ΧΡΗΣΗ ΤΗΣ ΚΑΘΟΔΙΚΗΣ ΠΡΟΣΤΑΣΙΑΣ ΕΔΕΙΞΕ ΟΤΙ ΣΕ ΜΕΡΙΚΕΣ ΠΕΡΙΠΤΩΣΕΙΣ ΔΙΝΕΙ ΤΑ ΚΑΛΛΙΤΕΡΑ ΑΠΟΤΕΛΕΣΜΑΤΑ ΓΙΑ ΤΗΝ ΠΡΟΣΤΑΣΙΑ ΤΟΥ ΧΑΛΥΒΑ, ΕΝΩ ΧΩΡΙΣ ΚΑΘΟΔΙΚΗ ΠΡΟΣΤΑΣΙΑ, ΚΑΛΛΙΤΕΡΑ ΑΠΟΤΕΛΕΣΜΑΤΑ ΕΔΩΣΕ Η ΠΡΟΣΘΗΚΗ ΤΟΥ ΜΙΚΤΟΥ Γ-AL2O3+1% MGO ΣΕ ΕΠΟΞΕΙΔΙΚΟ ΦΟΡΕΑ."]},{"key":"dc:title","label":"Title","values":["ΠΡΟΣΤΑΣΙΑ ΧΑΛΥΒΑ ΑΠΟ ΔΙΑΒΡΩΣΗ","PROTECTION OF STEEL FROM CORROSION"]}]}],"canonical_facts":{"dc:creator":["Βλάχος, Σωτήρης"],"dc:date":["1991"],"dc:description":["IT HAS BEEN PROVEN THAT STEEL CORROSION FOLLOWS THE MODEL OF WAGNER (GALVANIC ELEMENT). FOR THE PROTECTION OF STEEL FROM CORROSION, ANTICORROSIVE PAINTS CONTAINING PIGMENTS WITH H- SEMICONDUCTIVE PROPERTIES HAVE BEEN USED FOR THE FIRST TIME, AND THUS HAVE DEVELOPED A NEW LINE OF ANTI-CORROSIVE PAINTS. THIS HAS IMPORVED THE ANTICORROSIVE PROPERTIES OF THE ALREADY EXISTING PAINTS (SUCH AS THE COAL TAR EPOXY AND THE CHLORINATED RUBBER), WITH THE USAGE OF H-SEMICONDUCTORS (I.E. Γ-AL2O3, RED MUD, DOPPED OXIDES) OR, INSTEAD OF THE ABOVE, NEW PAINTS USING THE EPOXY AS BASE, HAVE BEEN DEVELOPED. THE PIGMENT CONTENT OF THE VEHICLES, HAS BEEN 30% C.M. THE USAGE OF THE CATHODIC PROTECTION HAS SHOWN THAT IN SEVERAL CASES IT GIVES THE BEST RESULTS FOR STEEL PROTECTION, WHILE WITHOUT ANY CATHODIC PROTECTION, THE BEST RESULTS ARE GIVEN BY THE ADDITION OF THE DOPPED Γ-AL2O3+1% MGO ON EPOXY VEHICLE.","ΕΧΕΙ ΑΠΟΔΕΙΧΘΕΙ ΟΤΙ Η ΔΙΑΒΡΩΣΗ ΤΟΥ ΧΑΛΥΒΑ ΑΚΟΛΟΥΘΕΙ ΤΟ ΜΟΝΤΕΛΟ ΤΟΥ WAGNER (ΓΑΛΒΑΝΙΚΟ ΣΤΟΙΧΕΙΟ). ΓΙΑ ΤΗΝ ΠΡΟΣΤΑΣΙΑ ΤΟΥ ΧΑΛΥΒΑ ΑΠΟ ΤΗΝ ΔΙΑΒΡΩΣΗ, ΧΡΗΣΙΜΟΠΟΙΗΘΗΚΑΝ ΑΝΤΙΔΙΑΒΡΩΤΙΚΑ ΧΡΩΜΑΤΑ ΠΟΥ ΠΕΡΙΕΙΧΑΝ ΠΙΓΜΕΝΤΑ ΜΕ Η-ΗΜΙΑΓΩΓΙΚΕΣ ΙΔΙΟΤΗΤΕΣ ΓΙΑ ΠΡΩΤΗ ΦΟΡΑ ΚΑΙ ΕΤΣΙ ΑΝΑΠΤΥΧΘΗΚΕ ΜΙΑ ΝΕΑ ΣΕΙΡΑ ΑΝΤΙΔΙΑΒΡΩΤΙΚΩΝ ΧΡΩΜΑΤΩΝ. ΕΤΣΙ, ΒΕΛΤΙΩΘΗΚΑΝ ΟΙ ΑΝΤΙΔΙΑΒΡΩΤΙΚΕΣ ΙΔΙΟΤΗΤΕΣ ΗΔΗ ΥΠΑΡΧΟΝΤΩΝ ΧΡΩΜΑΤΩΝ (ΟΠΩΣ Η COAL TAR EPOXY ΚΑΙ ΤΟ ΧΛΩΡΙΩΜΕΝΟ ΚΑΟΥΤΣΟΥΚ) ΜΕ ΤΗ ΧΡΗΣΗ Η -ΗΜΙΑΓΩΓΩΝ (Π.Χ. Γ-AL2O3, ΕΡΥΘΡΑ ΙΛΥΣ, 'Η ΜΙΚΤΑ ΟΞΕΙΔΙΑ 'Η ΚΑΙ ΑΝΑΠΤΥΧΘΗΚΑΝ ΝΕΑ ΧΡΩΜΑΤΑ ΧΡΗΣΙΜΟΠΟΙΩΝΤΑΣ ΣΑΝΒΑΣΗ ΤΟΝ ΕΠΟΞΕΙΔΙΚΟ ΦΟΡΕΑ. Η ΠΕΡΙΕΚΤΙΚΟΤΗΤΑ ΤΩΝ ΦΟΡΕΩΝ ΣΕ ΠΙΓΜΕΝΤΟ ΗΤΑΝ 30% Κ.Β. Η ΧΡΗΣΗ ΤΗΣ ΚΑΘΟΔΙΚΗΣ ΠΡΟΣΤΑΣΙΑΣ ΕΔΕΙΞΕ ΟΤΙ ΣΕ ΜΕΡΙΚΕΣ ΠΕΡΙΠΤΩΣΕΙΣ ΔΙΝΕΙ ΤΑ ΚΑΛΛΙΤΕΡΑ ΑΠΟΤΕΛΕΣΜΑΤΑ ΓΙΑ ΤΗΝ ΠΡΟΣΤΑΣΙΑ ΤΟΥ ΧΑΛΥΒΑ, ΕΝΩ ΧΩΡΙΣ ΚΑΘΟΔΙΚΗ ΠΡΟΣΤΑΣΙΑ, ΚΑΛΛΙΤΕΡΑ ΑΠΟΤΕΛΕΣΜΑΤΑ ΕΔΩΣΕ Η ΠΡΟΣΘΗΚΗ ΤΟΥ ΜΙΚΤΟΥ Γ-AL2O3+1% MGO ΣΕ ΕΠΟΞΕΙΔΙΚΟ ΦΟΡΕΑ."],"dc:identifier":["10.12681/eadd/1675","http://hdl.handle.net/10442/hedi/1675"],"dc:language":["gre"],"dc:publisher":["Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)","National Technical University of Athens (NTUA)"],"dc:subject":["ANTI-CORROSIVE PAINTS","CATHODIC PROTECTION FROM EXTERNAL SOURCE","H-SEMICONDUCTOR (OXIDES)","PIGMENTS WITH H-SEMICONDUCTIVE PROPERTIES","PROTECTION OF STEEL FROM CORROSION","STEEL CORROSION","ΑΝΤΙΔΙΑΒΡΩΤΙΚΑ ΧΡΩΜΑΤΑ","ΔΙΑΒΡΩΣΗ ΧΑΛΥΒΑ","Η-ΗΜΙΑΓΩΓΟΣ (ΟΞΕΙΔΙΑ)","ΚΑΘΟΔΙΚΗ ΠΡΟΣΤΑΣΙΑ ΑΠΟ ΕΞΩΤΕΡΙΚΗ ΤΑΣΗ","ΠΙΓΜΕΝΤΑ ΜΕ Η-ΗΜΙΑΓΩΓΙΚΕΣ ΙΔΙΟΤΗΤΕΣ","ΠΡΟΣΤΑΣΙΑ ΧΑΛΥΒΑ ΑΠΟ ΔΙΑΒΡΩΣΗ","Engineering and Technology","Chemical Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Χημικού Μηχανικού"],"dc:title":["ΠΡΟΣΤΑΣΙΑ ΧΑΛΥΒΑ ΑΠΟ ΔΙΑΒΡΩΣΗ","PROTECTION OF STEEL FROM CORROSION"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:25:02Z"}