{"id":19924,"date":"2026-02-11T08:37:25","date_gmt":"2026-02-11T06:37:25","guid":{"rendered":"https:\/\/www.metal.ntua.gr\/?p=19924"},"modified":"2026-02-11T08:37:25","modified_gmt":"2026-02-11T06:37:25","slug":"%ce%b5%ce%bd%ce%b1%cf%81%ce%be%ce%b7-%ce%b4%ce%b9%ce%b1%ce%b4%ce%b9%ce%ba%ce%b1%cf%83%ce%b9%ce%b1%cf%83-%ce%b4%ce%b7%ce%bb%cf%89%cf%83%ce%b5%cf%89%ce%bd-%ce%bc%ce%b1%ce%b8%ce%b7%ce%bc%ce%b1%cf%84-3","status":"publish","type":"post","link":"https:\/\/www.metal.ntua.gr\/?p=19924","title":{"rendered":"\u0395\u039d\u0391\u03a1\u039e\u0397 \u0394\u0399\u0391\u0394\u0399\u039a\u0391\u03a3\u0399\u0391\u03a3 \u0394\u0397\u039b\u03a9\u03a3\u0395\u03a9\u039d \u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u03a9\u039d \u0395\u0391\u03a1\u0399\u039d\u039f\u03a5 \u0395\u039e\u0391\u039c\u0397\u039d\u039f\u03a5"},"content":{"rendered":"<p style=\"text-align: justify\">\u03a3\u03b1\u03c2 \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03bd\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 <strong>\u03b7 \u03b5\u03b3\u03b3\u03c1\u03b1\u03c6\u03ae \u03c3\u03b1\u03c2<\/strong> \u03c3\u03c4\u03bf <strong>\u03b5\u03b1\u03c1\u03b9\u03bd\u03cc \u03b5\u03be\u03ac\u03bc\u03b7\u03bd\u03bf<\/strong> \u03ba\u03b1\u03c4\u03ac \u03c4\u03bf \u03c4\u03c1\u03ad\u03c7\u03bf\u03bd \u03b1\u03ba\u03b1\u03b4\u03b7\u03bc\u03b1\u03ca\u03ba\u03cc \u03ad\u03c4\u03bf\u03c2 <strong>2025-2026<\/strong> \u00a0\u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03b8\u03b7\u03ba\u03b5 \u03bc\u03b5 \u03bf\u03af\u03ba\u03bf\u03b8\u03b5\u03bd \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b5\u03c2 \u03c4\u03b7\u03c2 \u03a3\u03c7\u03bf\u03bb\u03ae\u03c2. \u03a4\u03bf \u03bd\u03ad\u03bf \u03c6\u03bf\u03b9\u03c4\u03b7\u03c4\u03bf\u03bb\u03cc\u03b3\u03b9\u03bf \u03b8\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03b5\u03af\u03bd\u03b5\u03b9 \u03b1\u03bd\u03bf\u03b9\u03ba\u03c4\u03cc \u03b1\u03c0\u03cc <strong>16.02.2026 \u03ad\u03c9\u03c2 \u03ba\u03b1\u03b9 06.03.2026 <\/strong>\u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c7\u03c9\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c3\u03c4\u03b7 \u03b4\u03ae\u03bb\u03c9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03b8\u03c5\u03bc\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ae\u03c3\u03b5\u03c4\u03b5.<\/p>\n<p>\u0397 \u03b5\u03af\u03c3\u03bf\u03b4\u03cc \u03c3\u03b1\u03c2 \u03b8\u03b1 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03c9\u03b4\u03b9\u03ba\u03bf\u03cd\u03c2 (username &amp; password) \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03c4\u03b5 \u03c3\u03c4\u03bf central.\u00a0To link \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03af\u03c3\u03bf\u03b4\u03cc \u03c3\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 : <a href=\"https:\/\/e-sec.ntua.gr\/\"><strong>https:\/\/e-sec.ntua.gr\/<\/strong><\/a><\/p>\n<p style=\"text-align: justify\">\u03a4\u03b9\u03c2 \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b7\u03bc\u03ad\u03c1\u03b5\u03c2 \u03b8\u03b1 \u03b3\u03af\u03bd\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03bc\u03af\u03b1 \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03bf\u03c5\u03c2 \u03c6\u03bf\u03b9\u03c4\u03b7\u03c4\u03ad\u03c2 \u03c4\u03bf\u03c5 8<sup>\u03bf\u03c5<\/sup> \u03b5\u03be\u03b1\u03bc\u03ae\u03bd\u03bf\u03c5 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03ba\u03b1\u03c4\u03b5\u03c5\u03b8\u03cd\u03bd\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c3\u03c0\u03bf\u03c5\u03b4\u03ce\u03bd.\u00a0\u0391\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03ba\u03ac\u03c0\u03bf\u03b9\u03b5\u03c2 \u03b4\u03b9\u03b5\u03c5\u03ba\u03c1\u03b9\u03bd\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03ba\u03b1\u03bb\u03ce \u03bd\u03b1 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03b2\u03ac\u03c3\u03b5\u03c4\u03b5 \u03c0\u03c1\u03bf\u03c3\u03b5\u03c7\u03c4\u03b9\u03ba\u03ac \u03c0\u03c1\u03b9\u03bd \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03ce\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03b4\u03ae\u03bb\u03c9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03c3\u03b1\u03c2.<\/p>\n<p>\u0397 \u03b4\u03b9\u03ac\u03c1\u03b8\u03c1\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u039d\u03a0\u03a3 (\u03c3\u03cd\u03bd\u03bf\u03bb\u03bf 55 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1)\u00a0 \u03ad\u03c7\u03b5\u03b9 \u03c9\u03c2 \u03b5\u03be\u03ae\u03c2:<\/p>\n<ul>\n<li><strong>34 \u03a5\u03c0\u03bf\u03c7\u03c1\u03b5\u03c9\u03c4\u03b9\u03ba\u03ac \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03bf\u03c1\u03bc\u03bf\u03cd<\/strong><\/li>\n<li><strong>8 \u03ba\u03b1\u03c4\u0384\u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03bd<\/strong> \u03c5\u03c0\u03bf\u03c7\u03c1\u03b5\u03c9\u03c4\u03b9\u03ba\u03ac \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03bf\u03c1\u03bc\u03bf\u03cd (\u03b2\u03bb. \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03cc \u03c0\u03af\u03bd\u03b1\u03ba\u03b1)<\/li>\n<li><strong>2 \u03a0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2<\/strong> \u0391\u03c3\u03ba\u03ae\u03c3\u03b5\u03b9\u03c2<\/li>\n<li><strong>10 \u03ba\u03b1\u03c4\u0384\u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03bd<\/strong> \u03c5\u03c0\u03bf\u03c7\u03c1\u03b5\u03c9\u03c4\u03b9\u03ba\u03ac \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 8<sup>\u03bf\u03c5<\/sup> &amp; 9<sup>\u03bf\u03c5<\/sup> \u03b5\u03be\u03b1\u03bc\u03ae\u03bd\u03bf\u03c5 (5 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03c3\u03c4\u03bf 8<sup>\u03bf<\/sup> \u03ba\u03b1\u03b9 5 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03c3\u03c4\u03bf 9<sup>\u03bf<\/sup>) \u03a0\u03a1\u039f\u03a3\u039f\u03a7\u0397: \u03c4\u03b1 5 \u03b1\u03c0\u03cc \u03c4\u03b1 10 \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03ae\u03ba\u03bf\u03c5\u03bd \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03c4\u03b5 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03b5\u03b9.<\/li>\n<li><strong>\u0394\u03b9\u03c0\u03bb\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 (10<sup>\u03bf<\/sup> \u03b5\u03be\u03ac\u03bc\u03b7\u03bd\u03bf)<\/strong><\/li>\n<\/ul>\n<p><strong>\u00a0<u>\u0393\u0395\u039d\u0399\u039a\u039f\u0399 \u039a\u0391\u039d\u039f\u039d\u0395\u03a3 \u0394\u0397\u039b\u03a9\u03a3\u0397\u03a3 \u0391\u039d\u0391 \u0395\u039e\u0391\u039c\u0397\u039d\u039f <\/u><\/strong><\/p>\n<p><strong>2<sup>\u03bf<\/sup> \u03b5\u03be\u03ac\u03bc\u03b7\u03bd\u03bf:<\/strong>\u00a0 \u0394\u03b7\u03bb\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c5\u03c0\u03bf\u03c7\u03c1\u03b5\u03c9\u03c4\u03b9\u03ba\u03ac \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 <strong>\u03ad\u03bd\u03b1<\/strong> (1) \u03b1\u03c0\u03cc \u03c4\u03b1 \u03ba\u03b1\u03c4\u0384\u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03bd \u03c5\u03c0\u03bf\u03c7\u03c1\u03b5\u03c9\u03c4\u03b9\u03ba\u03ac \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 (\u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1 <strong>\u0393\u03b5\u03bd\u03b9\u03ba\u03bf\u03cd \u03a5\u03c0\u03bf\u03b2\u03ac\u03b8\u03c1\u03bf\u03c5 2<sup>\u03bf\u03c5<\/sup>-4<sup>\u03bf\u03c5<\/sup><\/strong>).<\/p>\n<p style=\"text-align: justify\"><strong>4<sup>\u03bf<\/sup> \u03b5\u03be\u03ac\u03bc\u03b7\u03bd\u03bf:<\/strong>\u00a0 \u0394\u03b7\u03bb\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c5\u03c0\u03bf\u03c7\u03c1\u03b5\u03c9\u03c4\u03b9\u03ba\u03ac \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 <strong>\u03ad\u03bd\u03b1<\/strong> (1) \u03b1\u03c0\u03cc \u03c4\u03b1 \u03ba\u03b1\u03c4\u2019 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03bd \u03c5\u03c0\u03bf\u03c7\u03c1\u03b5\u03c9\u03c4\u03b9\u03ba\u03ac \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 (\u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1 <strong>\u0393\u03b5\u03bd\u03b9\u03ba\u03bf\u03cd \u03a5\u03c0\u03bf\u03b2\u03ac\u03b8\u03c1\u03bf\u03c5 2<sup>\u03bf\u03c5<\/sup>-4<sup>\u03bf\u03c5<\/sup><\/strong>). \u0395\u03bd\u03bd\u03bf\u03b5\u03af\u03c4\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03cc \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03cc \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03c4\u03b5 \u03b4\u03b7\u03bb\u03ce\u03c3\u03b5\u03b9 \u03c3\u03c4\u03bf 2<sup>\u03bf<\/sup> \u03b5\u03be\u03ac\u03bc\u03b7\u03bd\u03bf.<\/p>\n<p>*<strong>\u03a0\u03a1\u039f\u03a3\u039f\u03a7\u0397<\/strong> : \u039f\u03b9 \u03c6\u03bf\u03b9\u03c4\u03b7\u03c4\u03ad\u03c2 \u03bc\u03b5 \u03b5\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae \u03bc\u03ad\u03c7\u03c1\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b1\u03ba\u03b1\u03b4.\u03ad\u03c4\u03bf\u03c2 2021-22 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd <strong>\u039e\u03ad\u03bd\u03b7 \u0393\u03bb\u03ce\u03c3\u03c3\u03b1<\/strong> \u03c5\u03c0\u03bf\u03c7\u03c1\u03b5\u03c9\u03c4\u03b9\u03ba\u03cc \u03bc\u03ac\u03b8\u03b7\u03bc\u03b1 \u03c3\u03c4\u03bf 3\u03bf \u03ba\u03b1\u03b9 4\u03bf \u03b5\u03be\u03ac\u03bc\u03b7\u03bd\u03bf \u03b5\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03b4\u03b5\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u0393\u03b5\u03bd\u03b9\u03ba\u03bf\u03cd \u03a5\u03c0\u03bf\u03b2\u03ac\u03b8\u03c1\u03bf\u03c5.<\/p>\n<p style=\"text-align: justify\"><strong>6<sup>\u03bf<\/sup> \u03b5\u03be\u03ac\u03bc\u03b7\u03bd\u03bf:<\/strong> \u0394\u03b7\u03bb\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c5\u03c0\u03bf\u03c7\u03c1\u03b5\u03c9\u03c4\u03b9\u03ba\u03ac \u03bc\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 <strong>\u03ad\u03bd\u03b1<\/strong> (1) \u03b1\u03c0\u03cc \u03c4\u03b1 \u03ba\u03b1\u03c4\u0384\u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03bd \u03c5\u03c0\u03bf\u03c7\u03c1\u03b5\u03c9\u03c4\u03b9\u03ba\u03ac (\u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1 <strong>\u0395\u03bc\u03b2\u03ac\u03b8\u03c5\u03bd\u03c3\u03b7\u03c2 6<sup>\u03bf\u03c5<\/sup><\/strong>).<\/p>\n<p><strong>8<sup>\u03bf<\/sup> \u03b5\u03be\u03ac\u03bc\u03b7\u03bd\u03bf:<\/strong> \u0395\u03c0\u03b9\u03bb\u03ad\u03b3\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03b8\u03ad\u03bb\u03b5\u03c4\u03b5 \u03bd\u03b1 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ae\u03c3\u03b5\u03c4\u03b5. \u039f\u03b9 \u03ba\u03b1\u03c4\u03b5\u03c5\u03b8\u03cd\u03bd\u03c3\u03b5\u03b9\u03c2 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