{"id":{"repo_id":"greece","oai_identifier":"oai:10442/1694"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/1694","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΣΧΕΣΗ ΜΕΤΑΞΥ ΤΗΣ ΕΙΔΙΚΗΣ ΕΝΕΡΓΕΙΑΣ ΛΕΙΟΤΡΙΒΗΣΗΣ ΨΑΘΥΡΩΝ ΥΛΙΚΩΝ ΜΕ ΤΟ ΧΡΟΝΟ ΛΕΙΟΤΡΙΒΗΣΗΣ, ΤΟ ΜΕΓΕΘΟΣ ΤΟΥ ΠΡΟΙΟΝΤΟΣ ΚΑΙ ΤΑ ΜΗΧΑΝΙΚΑ ΧΑΡΑΚΤΗ...","abstract":"THE OBJECTIVE OF THIS RESEARCH IS TO STUDY THE RELATION BETWEEN THE SPECIFIC GRINDING ENERGY OF BRITTLE MATERIALS AND THE GRINDING TIME, THE SIZE OF THE PRODUCT AND THE MECHANICAL PROPERTIES OF THE MATERIAL. IN THIS INVESTIGATED WORK IS PRESENTED A GREAT NUMBER OF TEST RESULTS SUCH AS GRINDING, MEASURING OF THE SPECIFIC GRINDING ENERGY AND THE DETERMINATION OF THE MECHANICAL PROPERTIES MATERIALS. TO STUDY AND CONSIDERATION THESE RESULTS ARE PRESENTED: A) THE VARIATION OF THE SPECIFIC GRINDING NET ENERGY WITH GRINDING TIME AND THE SIZE OF PRODUCT, B) THE VARIATION OF THE GATES-GAUDIN-SCHUHMANN AND ROSIN-RAMMLER SIZE DISTRIBUTION PARAMETERS, OF THE GRINDING PRODUCT WITH GRINDING TIME, C) THE VARIATION OFVOLUME SPECIFIC ENERGY OF MATERIALS WITH THE NUMBER OF BLOWS OF THE HAMMER OF THE MEASURING APPARATUS OF PROTDYAKONOV STRENGTH COEFFICIENT, D) IS PRESENTED APROTOTYPED METHOD OF ESTIMATION OF WORK (BOND) INDEX FROM THE DETERMINED EXPERIMENTALLY USING THE PROTODYAKONOV TEST APPARATUS. FROM THIS STUDY AND CONSIDERATION OF THE RESULTS ABOVE, APPEARS A GREAT NUMBER OF QUALITY AND QUANTITY EXPRESSIONS OF THE EXPERIMENTAL RESULTS IN A MATHEMATICAL ANALYSIS.","abstract_html":"THE OBJECTIVE OF THIS RESEARCH IS TO STUDY THE RELATION BETWEEN THE SPECIFIC GRINDING ENERGY OF BRITTLE MATERIALS AND THE GRINDING TIME, THE SIZE OF THE PRODUCT AND THE MECHANICAL PROPERTIES OF THE MATERIAL. IN THIS INVESTIGATED WORK IS PRESENTED A GREAT NUMBER OF TEST RESULTS SUCH AS GRINDING, MEASURING OF THE SPECIFIC GRINDING ENERGY AND THE DETERMINATION OF THE MECHANICAL PROPERTIES MATERIALS. TO STUDY AND CONSIDERATION THESE RESULTS ARE PRESENTED: A) THE VARIATION OF THE SPECIFIC GRINDING NET ENERGY WITH GRINDING TIME AND THE SIZE OF PRODUCT, B) THE VARIATION OF THE GATES-GAUDIN-SCHUHMANN AND ROSIN-RAMMLER SIZE DISTRIBUTION PARAMETERS, OF THE GRINDING PRODUCT WITH GRINDING TIME, C) THE VARIATION OFVOLUME SPECIFIC ENERGY OF MATERIALS WITH THE NUMBER OF BLOWS OF THE HAMMER OF THE MEASURING APPARATUS OF PROTDYAKONOV STRENGTH COEFFICIENT, D) IS PRESENTED APROTOTYPED METHOD OF ESTIMATION OF WORK (BOND) INDEX FROM THE DETERMINED EXPERIMENTALLY USING THE PROTODYAKONOV TEST APPARATUS. FROM THIS STUDY AND CONSIDERATION OF THE RESULTS ABOVE, APPEARS A GREAT NUMBER OF QUALITY AND QUANTITY EXPRESSIONS OF THE EXPERIMENTAL RESULTS IN A MATHEMATICAL ANALYSIS.","abstract_has_math":false,"creators":["Ζαφειριάδης, Κωνσταντίνος"],"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":1990,"date_issued":"1990","date_published":"1990","updated_at":"2026-07-24T02:25:05Z","subjects":["GRINDING OF BRITTLE MATERIALS","MECHANICAL PROPERTIES OF BRITTLE MATERIALS","PROTODYAKONOV STRENGTH COEFFICIENT","SPECIFIC GRINDING ENERGY","WORK (BOND) INDEX","ΔΕΙΚΤΗΣ ΕΡΓΟΥ ΤΟΥ ΒΟΝΟ","ΕΙΔΙΚΗ ΕΝΕΡΓΕΙΑ ΛΕΙΟΤΡΙΒΗΣΗΣ","ΛΕΙΟΤΡΙΒΗΣΗ ΨΑΘΥΡΩΝ ΥΛΙΚΩΝ","ΜΗΧΑΝΙΚΑ ΧΑΡΑΚΤΗΡΙΣΤΙΚΑΨΑΘΥΡΩΝ ΥΛΙΚΩΝ","ΣΥΝΤΕΛΕΣΤΗΣ ΑΝΤΟΧΗΣ PROTODYAKONOV","Engineering and Technology","Environmental Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Περιβαλλοντική Μηχανική"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1694"],"render_values":[{"text":"10.12681/eadd/1694","href":"https://doi.org/10.12681/eadd/1694","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/1694","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Ζαφειριάδης, Κωνσταντίνος"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1990"]},{"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":["GRINDING OF BRITTLE MATERIALS","MECHANICAL PROPERTIES OF BRITTLE MATERIALS","PROTODYAKONOV STRENGTH COEFFICIENT","SPECIFIC GRINDING ENERGY","WORK (BOND) INDEX","ΔΕΙΚΤΗΣ ΕΡΓΟΥ ΤΟΥ ΒΟΝΟ","ΕΙΔΙΚΗ ΕΝΕΡΓΕΙΑ ΛΕΙΟΤΡΙΒΗΣΗΣ","ΛΕΙΟΤΡΙΒΗΣΗ ΨΑΘΥΡΩΝ ΥΛΙΚΩΝ","ΜΗΧΑΝΙΚΑ ΧΑΡΑΚΤΗΡΙΣΤΙΚΑΨΑΘΥΡΩΝ ΥΛΙΚΩΝ","ΣΥΝΤΕΛΕΣΤΗΣ ΑΝΤΟΧΗΣ PROTODYAKONOV","Engineering and Technology","Environmental Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Περιβαλλοντική Μηχανική"]}]},{"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/1694","http://hdl.handle.net/10442/hedi/1694"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["THE OBJECTIVE OF THIS RESEARCH IS TO STUDY THE RELATION BETWEEN THE SPECIFIC GRINDING ENERGY OF BRITTLE MATERIALS AND THE GRINDING TIME, THE SIZE OF THE PRODUCT AND THE MECHANICAL PROPERTIES OF THE MATERIAL. IN THIS INVESTIGATED WORK IS PRESENTED A GREAT NUMBER OF TEST RESULTS SUCH AS GRINDING, MEASURING OF THE SPECIFIC GRINDING ENERGY AND THE DETERMINATION OF THE MECHANICAL PROPERTIES MATERIALS. TO STUDY AND CONSIDERATION THESE RESULTS ARE PRESENTED: A) THE VARIATION OF THE SPECIFIC GRINDING NET ENERGY WITH GRINDING TIME AND THE SIZE OF PRODUCT, B) THE VARIATION OF THE GATES-GAUDIN-SCHUHMANN AND ROSIN-RAMMLER SIZE DISTRIBUTION PARAMETERS, OF THE GRINDING PRODUCT WITH GRINDING TIME, C) THE VARIATION OFVOLUME SPECIFIC ENERGY OF MATERIALS WITH THE NUMBER OF BLOWS OF THE HAMMER OF THE MEASURING APPARATUS OF PROTDYAKONOV STRENGTH COEFFICIENT, D) IS PRESENTED APROTOTYPED METHOD OF ESTIMATION OF WORK (BOND) INDEX FROM THE DETERMINED EXPERIMENTALLY USING THE PROTODYAKONOV TEST APPARATUS. FROM THIS STUDY AND CONSIDERATION OF THE RESULTS ABOVE, APPEARS A GREAT NUMBER OF QUALITY AND QUANTITY EXPRESSIONS OF THE EXPERIMENTAL RESULTS IN A MATHEMATICAL ANALYSIS.","Η ΔΙΑΤΡΙΒΗ ΕΧΕΙ ΩΣ ΑΝΤΙΚΕΙΜΕΝΟ ΤΗ ΜΕΛΕΤΗ ΤΗΣ ΣΥΣΧΕΤΙΣΗΣ ΤΗΣ ΕΙΔΙΚΗΣ ΕΝΕΡΓΕΙΑΣ ΛΕΙΟΤΡΙΒΗΣΗΣ ΜΕ ΤΟ ΧΡΟΝΟ ΛΕΙΟΤΡΙΒΗΣΗΣ, ΤΟ ΜΕΓΕΘΟΣ ΤΕΜΑΧΙΩΝ ΤΟΥ ΠΡΟΙΟΝΤΟΣ ΚΑΙ ΤΑ ΜΗΧΑΝΙΚΑ ΧΑΡΑΚΤΗΡΙΣΤΙΚΑ ΨΑΘΥΡΩΝ ΥΛΙΚΩΝ. ΣΤΗΝ ΕΡΕΥΝΗΤΙΚΗ ΕΡΓΑΣΙΑ ΑΥΤΗ ΠΑΡΟΥΣΙΑΖΕΤΑΙ ΕΝΑ ΜΕΓΑΛΟ ΠΛΗΘΟΣ ΑΠΟΤΕΛΕΣΜΑΤΩΝ, ΔΟΚΙΜΩΝ ΛΕΙΟΤΡΙΒΗΣΗΣ, ΜΕΤΡΗΣΗΣ ΤΗΣ ΕΙΔΙΚΗΣΕΝΕΡΓΕΙΑΣ ΛΕΙΟΤΡΙΒΗΣΗΣ ΚΑΙ ΠΡΟΣΔΙΟΡΙΣΜΟΥ ΜΗΧΑΝΙΚΩΝ ΧΑΡΑΚΤΗΡΙΣΤΙΚΩΝ ΤΩΝ ΥΛΙΚΩΝ.ΣΤΗ ΜΕΛΕΤΗ ΚΑΙ ΑΞΙΟΛΟΓΗΣΗ ΤΩΝ ΑΠΟΤΕΛΕΣΜΑΤΩΝ ΠΑΡΟΥΣΙΑΖΕΤΑΙ: Α) Η ΜΕΤΑΒΟΛΗ ΤΗΣ ΚΑΘΑΡΗΣ ΕΙΔΙΚΗΣ ΕΝΕΡΓΕΙΑΣ ΛΕΙΟΤΡΙΒΗΣΗΣ ΜΕ ΤΟ ΧΡΟΝΟ ΛΕΙΟΤΡΙΒΗΣΗΣ ΚΑΙ ΤΟ ΜΕΓΕΘΟΣ ΤΟΥ ΠΡΟΙΟΝΤΟΣ, Β) Η ΜΕΤΑΒΟΛΗ ΤΩΝ ΤΙΜΩΝ ΤΩΝ ΠΑΡΑΜΕΤΡΩΝ ΤΩΝ ΚΑΤΑΝΟΜΩΝ ROSSI-RAMMLER ΚΑΙ GATES-GAUDIN-SCHUHMANN ΤΟΥ ΠΡΟΙΟΝΤΟΣ ΤΗΣ ΛΕΙΟΤΡΙΒΗΣΗΣ ΣΥΝΑΡΤΗΣΕΙ ΤΟΥ ΧΡΟΝΟΥ ΛΕΙΟΤΡΙΒΗΣΗΣ, Γ) Η ΜΕΤΑΒΟΛΗ ΤΗΣ ΕΙΔΙΚΗΣ ΕΝΕΡΓΕΙΑΣ ΟΓΚΟΥ ΤΩΝ ΥΛΙΚΩΝ ΣΥΝΑΡΤΗΣΕΙ ΤΟΥ ΑΡΙΘΜΟΥ ΠΤΩΣΕΩΝ ΤΗΣ ΣΦΥΡΑΣ ΤΗΣ ΣΥΣΚΕΥΗΣ ΜΕΤΡΗΣΗΣ ΤΟΥ ΣΥΝΤΕΛΕΣΤΗ ΑΝΤΟΧΗΣ PROTODYAKONOV ΚΑΙ Δ) ΠΑΡΟΥΣΙΑΖΕΤΑΙ ΜΙΑ ΠΡΩΤΟΤΥΠΗ ΜΕΘΟΔΟΣ ΥΠΟΛΟΓΙΣΜΟΥ ΤΟΥ ΔΕΙΚΤΗ ΕΡΓΟΥ ΤΟΥ BOND ΑΠΟ ΠΕΙΡΑΜΑΤΙΚΑ ΔΕΔΟΜΕΝΑ ΔΟΚΙΜΗΣ ΣΤΗ ΣΥΣΚΕΥΗ PROTODYAKONOV. ΑΠΟ ΤΗΝ ΠΑΡΑΠΑΝΩ ΜΕΛΕΤΗ ΚΑΙ ΑΞΙΟΛΟΓΗΣΗ ΤΩΝ ΑΠΟΤΕΛΕΣΜΑΤΩΝ ΠΡΟΚΥΠΤΕΙ ΕΝΑ ΜΕΓΑΛΟ ΠΛΗΘΟΣ ΠΟΙΟΤΙΚΩΝ ΚΑΙ ΠΟΣΟΤΙΚΩΝ ΕΚΦΡΑΣΕΩΝ ΤΩΝ ΠΕΙΡΑΜΑΤΙΚΩΝ ΑΠΟΤΕΛΕΣΜΑΤΩΝ ΜΕ ΜΑΘΗΜΑΤΙΚΗ ΑΝΑΛΥΣΗ."]},{"key":"dc:title","label":"Title","values":["ΣΧΕΣΗ ΜΕΤΑΞΥ ΤΗΣ ΕΙΔΙΚΗΣ ΕΝΕΡΓΕΙΑΣ ΛΕΙΟΤΡΙΒΗΣΗΣ ΨΑΘΥΡΩΝ ΥΛΙΚΩΝ ΜΕ ΤΟ ΧΡΟΝΟ ΛΕΙΟΤΡΙΒΗΣΗΣ, ΤΟ ΜΕΓΕΘΟΣ ΤΟΥ ΠΡΟΙΟΝΤΟΣ ΚΑΙ ΤΑ ΜΗΧΑΝΙΚΑ ΧΑΡΑΚΤΗ...","RELATIONSHIP BETWEEN THE SPECIFIC GRINDING ENERGY OF BRITTLE MATERIALS AND THE GRINDING TIME, THE SIZE OF PRODUCT AND THE MECHANICAL PROPERTIES OF THE MATERIAL"]}]}],"canonical_facts":{"dc:creator":["Ζαφειριάδης, Κωνσταντίνος"],"dc:date":["1990"],"dc:description":["THE OBJECTIVE OF THIS RESEARCH IS TO STUDY THE RELATION BETWEEN THE SPECIFIC GRINDING ENERGY OF BRITTLE MATERIALS AND THE GRINDING TIME, THE SIZE OF THE PRODUCT AND THE MECHANICAL PROPERTIES OF THE MATERIAL. IN THIS INVESTIGATED WORK IS PRESENTED A GREAT NUMBER OF TEST RESULTS SUCH AS GRINDING, MEASURING OF THE SPECIFIC GRINDING ENERGY AND THE DETERMINATION OF THE MECHANICAL PROPERTIES MATERIALS. TO STUDY AND CONSIDERATION THESE RESULTS ARE PRESENTED: A) THE VARIATION OF THE SPECIFIC GRINDING NET ENERGY WITH GRINDING TIME AND THE SIZE OF PRODUCT, B) THE VARIATION OF THE GATES-GAUDIN-SCHUHMANN AND ROSIN-RAMMLER SIZE DISTRIBUTION PARAMETERS, OF THE GRINDING PRODUCT WITH GRINDING TIME, C) THE VARIATION OFVOLUME SPECIFIC ENERGY OF MATERIALS WITH THE NUMBER OF BLOWS OF THE HAMMER OF THE MEASURING APPARATUS OF PROTDYAKONOV STRENGTH COEFFICIENT, D) IS PRESENTED APROTOTYPED METHOD OF ESTIMATION OF WORK (BOND) INDEX FROM THE DETERMINED EXPERIMENTALLY USING THE PROTODYAKONOV TEST APPARATUS. FROM THIS STUDY AND CONSIDERATION OF THE RESULTS ABOVE, APPEARS A GREAT NUMBER OF QUALITY AND QUANTITY EXPRESSIONS OF THE EXPERIMENTAL RESULTS IN A MATHEMATICAL ANALYSIS.","Η ΔΙΑΤΡΙΒΗ ΕΧΕΙ ΩΣ ΑΝΤΙΚΕΙΜΕΝΟ ΤΗ ΜΕΛΕΤΗ ΤΗΣ ΣΥΣΧΕΤΙΣΗΣ ΤΗΣ ΕΙΔΙΚΗΣ ΕΝΕΡΓΕΙΑΣ ΛΕΙΟΤΡΙΒΗΣΗΣ ΜΕ ΤΟ ΧΡΟΝΟ ΛΕΙΟΤΡΙΒΗΣΗΣ, ΤΟ ΜΕΓΕΘΟΣ ΤΕΜΑΧΙΩΝ ΤΟΥ ΠΡΟΙΟΝΤΟΣ ΚΑΙ ΤΑ ΜΗΧΑΝΙΚΑ ΧΑΡΑΚΤΗΡΙΣΤΙΚΑ ΨΑΘΥΡΩΝ ΥΛΙΚΩΝ. ΣΤΗΝ ΕΡΕΥΝΗΤΙΚΗ ΕΡΓΑΣΙΑ ΑΥΤΗ ΠΑΡΟΥΣΙΑΖΕΤΑΙ ΕΝΑ ΜΕΓΑΛΟ ΠΛΗΘΟΣ ΑΠΟΤΕΛΕΣΜΑΤΩΝ, ΔΟΚΙΜΩΝ ΛΕΙΟΤΡΙΒΗΣΗΣ, ΜΕΤΡΗΣΗΣ ΤΗΣ ΕΙΔΙΚΗΣΕΝΕΡΓΕΙΑΣ ΛΕΙΟΤΡΙΒΗΣΗΣ ΚΑΙ ΠΡΟΣΔΙΟΡΙΣΜΟΥ ΜΗΧΑΝΙΚΩΝ ΧΑΡΑΚΤΗΡΙΣΤΙΚΩΝ ΤΩΝ ΥΛΙΚΩΝ.ΣΤΗ ΜΕΛΕΤΗ ΚΑΙ ΑΞΙΟΛΟΓΗΣΗ ΤΩΝ ΑΠΟΤΕΛΕΣΜΑΤΩΝ ΠΑΡΟΥΣΙΑΖΕΤΑΙ: Α) Η ΜΕΤΑΒΟΛΗ ΤΗΣ ΚΑΘΑΡΗΣ ΕΙΔΙΚΗΣ ΕΝΕΡΓΕΙΑΣ ΛΕΙΟΤΡΙΒΗΣΗΣ ΜΕ ΤΟ ΧΡΟΝΟ ΛΕΙΟΤΡΙΒΗΣΗΣ ΚΑΙ ΤΟ ΜΕΓΕΘΟΣ ΤΟΥ ΠΡΟΙΟΝΤΟΣ, Β) Η ΜΕΤΑΒΟΛΗ ΤΩΝ ΤΙΜΩΝ ΤΩΝ ΠΑΡΑΜΕΤΡΩΝ ΤΩΝ ΚΑΤΑΝΟΜΩΝ ROSSI-RAMMLER ΚΑΙ GATES-GAUDIN-SCHUHMANN ΤΟΥ ΠΡΟΙΟΝΤΟΣ ΤΗΣ ΛΕΙΟΤΡΙΒΗΣΗΣ ΣΥΝΑΡΤΗΣΕΙ ΤΟΥ ΧΡΟΝΟΥ ΛΕΙΟΤΡΙΒΗΣΗΣ, Γ) Η ΜΕΤΑΒΟΛΗ ΤΗΣ ΕΙΔΙΚΗΣ ΕΝΕΡΓΕΙΑΣ ΟΓΚΟΥ ΤΩΝ ΥΛΙΚΩΝ ΣΥΝΑΡΤΗΣΕΙ ΤΟΥ ΑΡΙΘΜΟΥ ΠΤΩΣΕΩΝ ΤΗΣ ΣΦΥΡΑΣ ΤΗΣ ΣΥΣΚΕΥΗΣ ΜΕΤΡΗΣΗΣ ΤΟΥ ΣΥΝΤΕΛΕΣΤΗ ΑΝΤΟΧΗΣ PROTODYAKONOV ΚΑΙ Δ) ΠΑΡΟΥΣΙΑΖΕΤΑΙ ΜΙΑ ΠΡΩΤΟΤΥΠΗ ΜΕΘΟΔΟΣ ΥΠΟΛΟΓΙΣΜΟΥ ΤΟΥ ΔΕΙΚΤΗ ΕΡΓΟΥ ΤΟΥ BOND ΑΠΟ ΠΕΙΡΑΜΑΤΙΚΑ ΔΕΔΟΜΕΝΑ ΔΟΚΙΜΗΣ ΣΤΗ ΣΥΣΚΕΥΗ PROTODYAKONOV. ΑΠΟ ΤΗΝ ΠΑΡΑΠΑΝΩ ΜΕΛΕΤΗ ΚΑΙ ΑΞΙΟΛΟΓΗΣΗ ΤΩΝ ΑΠΟΤΕΛΕΣΜΑΤΩΝ ΠΡΟΚΥΠΤΕΙ ΕΝΑ ΜΕΓΑΛΟ ΠΛΗΘΟΣ ΠΟΙΟΤΙΚΩΝ ΚΑΙ ΠΟΣΟΤΙΚΩΝ ΕΚΦΡΑΣΕΩΝ ΤΩΝ ΠΕΙΡΑΜΑΤΙΚΩΝ ΑΠΟΤΕΛΕΣΜΑΤΩΝ ΜΕ ΜΑΘΗΜΑΤΙΚΗ ΑΝΑΛΥΣΗ."],"dc:identifier":["10.12681/eadd/1694","http://hdl.handle.net/10442/hedi/1694"],"dc:language":["gre"],"dc:publisher":["Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)","National Technical University of Athens (NTUA)"],"dc:subject":["GRINDING OF BRITTLE MATERIALS","MECHANICAL PROPERTIES OF BRITTLE MATERIALS","PROTODYAKONOV STRENGTH COEFFICIENT","SPECIFIC GRINDING ENERGY","WORK (BOND) INDEX","ΔΕΙΚΤΗΣ ΕΡΓΟΥ ΤΟΥ ΒΟΝΟ","ΕΙΔΙΚΗ ΕΝΕΡΓΕΙΑ ΛΕΙΟΤΡΙΒΗΣΗΣ","ΛΕΙΟΤΡΙΒΗΣΗ ΨΑΘΥΡΩΝ ΥΛΙΚΩΝ","ΜΗΧΑΝΙΚΑ ΧΑΡΑΚΤΗΡΙΣΤΙΚΑΨΑΘΥΡΩΝ ΥΛΙΚΩΝ","ΣΥΝΤΕΛΕΣΤΗΣ ΑΝΤΟΧΗΣ PROTODYAKONOV","Engineering and Technology","Environmental Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Περιβαλλοντική Μηχανική"],"dc:title":["ΣΧΕΣΗ ΜΕΤΑΞΥ ΤΗΣ ΕΙΔΙΚΗΣ ΕΝΕΡΓΕΙΑΣ ΛΕΙΟΤΡΙΒΗΣΗΣ ΨΑΘΥΡΩΝ ΥΛΙΚΩΝ ΜΕ ΤΟ ΧΡΟΝΟ ΛΕΙΟΤΡΙΒΗΣΗΣ, ΤΟ ΜΕΓΕΘΟΣ ΤΟΥ ΠΡΟΙΟΝΤΟΣ ΚΑΙ ΤΑ ΜΗΧΑΝΙΚΑ ΧΑΡΑΚΤΗ...","RELATIONSHIP BETWEEN THE SPECIFIC GRINDING ENERGY OF BRITTLE MATERIALS AND THE GRINDING TIME, THE SIZE OF PRODUCT AND THE MECHANICAL PROPERTIES OF THE MATERIAL"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:25:05Z"}