{"id":133719,"date":"2026-01-19T11:00:00","date_gmt":"2026-01-19T09:00:00","guid":{"rendered":"https:\/\/i-hls.com\/?p=133719"},"modified":"2026-02-06T07:00:00","modified_gmt":"2026-02-06T05:00:00","slug":"%d7%a4%d7%a8%d7%99%d7%a6%d7%aa-%d7%93%d7%a8%d7%9a-%d7%91%d7%a4%d7%99%d7%96%d7%99%d7%a7%d7%94-%d7%a2%d7%a9%d7%95%d7%99%d7%94-%d7%9c%d7%a9%d7%a0%d7%95%d7%aa-%d7%90%d7%aa-%d7%90%d7%95%d7%a4%d7%9f-%d7%91","status":"publish","type":"post","link":"https:\/\/i-hls.com\/he\/archives\/133719","title":{"rendered":"\u05e4\u05e8\u05d9\u05e6\u05ea \u05d3\u05e8\u05da \u05d1\u05e4\u05d9\u05d6\u05d9\u05e7\u05d4 \u05e2\u05e9\u05d5\u05d9\u05d4 \u05dc\u05e9\u05e0\u05d5\u05ea \u05d0\u05ea \u05d0\u05d5\u05e4\u05df \u05d1\u05e0\u05d9\u05d9\u05ea \u05e9\u05e8\u05d9\u05d5\u05e0\u05d9\u05dd"},"content":{"rendered":"<p>\u05d1\u05de\u05e9\u05da \u05e2\u05e9\u05e8\u05d5\u05ea \u05e9\u05e0\u05d9\u05dd \u05d4\u05e1\u05ea\u05de\u05db\u05d5 \u05de\u05d4\u05e0\u05d3\u05e1\u05d9\u05dd \u05e2\u05dc \u05db\u05dc\u05dc 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\u05e8\u05d2\u05d9\u05dc\u05d9\u05dd, \u05d2\u05d1\u05d5\u05dc\u05d5\u05ea \u05d4\u05d2\u05e8\u05e2\u05d9\u05e0\u05d9\u05dd \u05d7\u05d5\u05e1\u05de\u05d9\u05dd \u05d0\u05ea \u05ea\u05e0\u05d5\u05e2\u05ea \u05d4\u05d3\u05d9\u05e1\u05dc\u05d5\u05e7\u05e6\u05d9\u05d5\u05ea \u2014 \u05e4\u05d2\u05de\u05d9\u05dd \u05de\u05d9\u05e7\u05e8\u05d5\u05e1\u05e7\u05d5\u05e4\u05d9\u05d9\u05dd \u05d4\u05de\u05d0\u05e4\u05e9\u05e8\u05d9\u05dd \u05dc\u05de\u05ea\u05db\u05ea \u05dc\u05d4\u05ea\u05e2\u05d5\u05d5\u05ea \u2014 \u05d5\u05d1\u05db\u05da \u05de\u05d7\u05d6\u05e7\u05d9\u05dd \u05d0\u05ea \u05d4\u05d7\u05d5\u05de\u05e8. \u05d1\u05e7\u05e6\u05d1\u05d9 \u05e2\u05d9\u05d5\u05d5\u05ea \u05d0\u05d5\u05dc\u05d8\u05e8\u05d4\u05be\u05d2\u05d1\u05d5\u05d4\u05d9\u05dd, \u05d4\u05d3\u05d9\u05e1\u05dc\u05d5\u05e7\u05e6\u05d9\u05d5\u05ea \u05e0\u05e2\u05d5\u05ea \u05d1\u05de\u05d4\u05d9\u05e8\u05d5\u05ea \u05db\u05d4 \u05d2\u05d1\u05d5\u05d4\u05d4 \u05e2\u05d3 \u05e9\u05d4\u05df \u05de\u05ea\u05d7\u05d9\u05dc\u05d5\u05ea \u05dc\u05e7\u05d9\u05d9\u05dd \u05d0\u05d9\u05e0\u05d8\u05e8\u05d0\u05e7\u05e6\u05d9\u05d4 \u05d7\u05d6\u05e7\u05d4 \u05e2\u05dd \u05ea\u05e0\u05d5\u05d3\u05d5\u05ea \u05d4\u05d0\u05d8\u05d5\u05de\u05d9\u05dd \u05d1\u05e1\u05e8\u05d9\u05d2 \u05d4\u05d2\u05d1\u05d9\u05e9\u05d9. \u05ea\u05d5\u05e4\u05e2\u05d4 \u05d6\u05d5, \u05d4\u05de\u05db\u05d5\u05e0\u05d4 \u05d2\u05e8\u05e8 \u05d3\u05d9\u05e1\u05dc\u05d5\u05e7\u05e6\u05d9\u05d4\u2013\u05e4\u05d5\u05e0\u05d5\u05df (dislocation\u2013phonon drag), \u05de\u05d5\u05e1\u05d9\u05e4\u05d4 \u05d4\u05ea\u05e0\u05d2\u05d3\u05d5\u05ea \u05dc\u05ea\u05e0\u05d5\u05e2\u05d4 \u05d5\u05de\u05e9\u05e0\u05d4 \u05d0\u05ea \u05de\u05e0\u05d2\u05e0\u05d5\u05df \u05d4\u05d7\u05d9\u05d6\u05d5\u05e7 \u05d4\u05d3\u05d5\u05de\u05d9\u05e0\u05e0\u05d8\u05d9. \u05d1\u05de\u05e9\u05d8\u05e8 \u05d6\u05d4, \u05de\u05e1\u05e4\u05e8 \u05e7\u05d8\u05df \u05d9\u05d5\u05ea\u05e8 \u05e9\u05dc \u05d2\u05d1\u05d5\u05dc\u05d5\u05ea \u05d2\u05e8\u05e2\u05d9\u05df \u05e2\u05e9\u05d5\u05d9 \u05d3\u05d5\u05d5\u05e7\u05d0 \u05dc\u05d4\u05d5\u05e2\u05d9\u05dc.<\/p>\n<p>\u05d0\u05e3 \u05e9\u05d4\u05e0\u05d9\u05e1\u05d5\u05d9\u05d9\u05dd \u05d4\u05ea\u05de\u05e7\u05d3\u05d5 \u05d1\u05e0\u05d7\u05d5\u05e9\u05ea, \u05d1\u05d3\u05d9\u05e7\u05d5\u05ea \u05e8\u05d0\u05e9\u05d5\u05e0\u05d9\u05d5\u05ea \u05d1\u05de\u05ea\u05db\u05d5\u05ea \u05d5\u05d1\u05e1\u05d2\u05e1\u05d5\u05d2\u05d5\u05ea \u05e0\u05d5\u05e1\u05e4\u05d5\u05ea \u05de\u05e6\u05d1\u05d9\u05e2\u05d5\u05ea \u05e2\u05dc \u05db\u05da \u05e9\u05d4\u05ea\u05d5\u05e4\u05e2\u05d4 \u05e2\u05e9\u05d5\u05d9\u05d4 \u05dc\u05d4\u05d9\u05d5\u05ea \u05e8\u05d7\u05d1\u05d4 \u05d9\u05d5\u05ea\u05e8. \u05d0\u05dd \u05d4\u05de\u05de\u05e6\u05d0\u05d9\u05dd \u05d9\u05d0\u05d5\u05e9\u05e9\u05d5, \u05d4\u05dd \u05e2\u05e9\u05d5\u05d9\u05d9\u05dd \u05dc\u05d7\u05d9\u05d9\u05d1 \u05d7\u05e9\u05d9\u05d1\u05d4 \u05de\u05d7\u05d5\u05d3\u05e9\u05ea \u05e2\u05dc \u05d4\u05d0\u05d5\u05e4\u05df \u05e9\u05d1\u05d5 \u05de\u05d5\u05ea\u05d0\u05de\u05d9\u05dd \u05d7\u05d5\u05de\u05e8\u05d9\u05dd \u05dc\u05e1\u05d1\u05d9\u05d1\u05d5\u05ea \u05e7\u05d9\u05e6\u05d5\u05e0\u05d9\u05d5\u05ea.<\/p>\n<p>\u05de\u05d1\u05d7\u05d9\u05e0\u05d4 \u05d1\u05d8\u05d7\u05d5\u05e0\u05d9\u05ea, \u05de\u05e2\u05e8\u05db\u05d5\u05ea \u05e9\u05e8\u05d9\u05d5\u05df, \u05de\u05d1\u05e0\u05d9 \u05de\u05d9\u05d2\u05d5\u05df \u05dc\u05db\u05dc\u05d9 \u05e8\u05db\u05d1 \u05d5\u05ea\u05d7\u05de\u05d5\u05e9\u05ea \u05db\u05d5\u05dc\u05dd \u05d7\u05d5\u05d5\u05d9\u05dd \u05e4\u05d2\u05d9\u05e2\u05d5\u05ea \u05d1\u05e7\u05e6\u05d1\u05d9 \u05e2\u05d9\u05d5\u05d5\u05ea \u05d2\u05d1\u05d5\u05d4\u05d9\u05dd. \u05ea\u05db\u05e0\u05d5\u05df \u05d7\u05d5\u05de\u05e8\u05d9\u05dd \u05d4\u05de\u05d5\u05ea\u05d0\u05de\u05d9\u05dd \u05d1\u05de\u05d9\u05d5\u05d7\u05d3 \u05dc\u05ea\u05e0\u05d0\u05d9\u05dd \u05d0\u05dc\u05d4 \u2014 \u05d5\u05dc\u05d0 \u05d4\u05e1\u05ea\u05de\u05db\u05d5\u05ea \u05e2\u05dc \u05d4\u05e0\u05d7\u05d5\u05ea \u05d4\u05ea\u05e7\u05e4\u05d5\u05ea \u05d1\u05de\u05d4\u05d9\u05e8\u05d5\u05d9\u05d5\u05ea \u05e0\u05de\u05d5\u05db\u05d5\u05ea \u05d9\u05d5\u05ea\u05e8 \u2014 \u05e2\u05e9\u05d5\u05d9 \u05dc\u05e9\u05e4\u05e8 \u05d0\u05ea \u05e8\u05de\u05ea \u05d4\u05d4\u05d2\u05e0\u05d4 \u05ea\u05d5\u05da \u05d4\u05e4\u05d7\u05ea\u05ea \u05de\u05e9\u05e7\u05dc. \u05e9\u05d9\u05e7\u05d5\u05dc\u05d9\u05dd \u05d3\u05d5\u05de\u05d9\u05dd \u05d7\u05dc\u05d9\u05dd \u05d2\u05dd \u05d1\u05ea\u05d7\u05d5\u05dd \u05d4\u05d7\u05dc\u05dc, \u05e9\u05d1\u05d5 \u05de\u05d9\u05d2\u05d5\u05df \u05e0\u05d3\u05e8\u05e9 \u05dc\u05e2\u05de\u05d5\u05d3 \u05d1\u05d4\u05ea\u05e0\u05d2\u05e9\u05d5\u05d9\u05d5\u05ea \u05e2\u05dd \u05e4\u05e1\u05d5\u05dc\u05ea \u05de\u05d4\u05d9\u05e8\u05d4 \u05d1\u05de\u05d9\u05d5\u05d7\u05d3.<\/p>\n<p>\u05de\u05e2\u05d1\u05e8 \u05dc\u05e2\u05d5\u05dc\u05de\u05d5\u05ea \u05d4\u05d1\u05d9\u05d8\u05d7\u05d5\u05df, \u05d4\u05de\u05de\u05e6\u05d0\u05d9\u05dd \u05e2\u05e9\u05d5\u05d9\u05d9\u05dd \u05dc\u05d4\u05e9\u05e4\u05d9\u05e2 \u05d2\u05dd \u05e2\u05dc \u05d9\u05d9\u05e6\u05d5\u05e8 \u05d1\u05ea\u05d5\u05e1\u05e4\u05ea (Additive Manufacturing), \u05e9\u05d1\u05d5 \u05e0\u05d9\u05ea\u05df \u05dc\u05e9\u05dc\u05d5\u05d8 \u05d1\u05de\u05d3\u05d5\u05d9\u05e7 \u05d1\u05d2\u05d5\u05d3\u05dc \u05d4\u05d2\u05e8\u05e2\u05d9\u05e0\u05d9\u05dd, \u05d5\u05e2\u05dc \u05db\u05dc \u05d9\u05d9\u05e9\u05d5\u05dd \u05d4\u05db\u05e8\u05d5\u05da \u05d1\u05e4\u05d2\u05d9\u05e2\u05d5\u05ea \u05d0\u05d5 \u05d1\u05e2\u05d5\u05de\u05e1\u05d9 \u05d4\u05dc\u05dd. \u05d1\u05d0\u05d5\u05e4\u05df \u05e8\u05d7\u05d1 \u05d9\u05d5\u05ea\u05e8, \u05d4\u05de\u05d7\u05e7\u05e8 \u05de\u05d3\u05d2\u05d9\u05e9 \u05db\u05d9\u05e6\u05d3 \u05d7\u05d5\u05de\u05e8\u05d9\u05dd \u05d4\u05de\u05ea\u05e0\u05d4\u05d2\u05d9\u05dd \u05d1\u05d0\u05d5\u05e4\u05df \u05e6\u05e4\u05d5\u05d9 \u05d1\u05ea\u05e0\u05d0\u05d9\u05dd \u05d9\u05d5\u05de\u05d9\u05d5\u05de\u05d9\u05d9\u05dd \u05e2\u05e9\u05d5\u05d9\u05d9\u05dd \u05dc\u05d7\u05e9\u05d5\u05e3 \u05ea\u05db\u05d5\u05e0\u05d5\u05ea \u05d1\u05dc\u05ea\u05d9 \u05e6\u05e4\u05d5\u05d9\u05d5\u05ea \u05db\u05d0\u05e9\u05e8 \u05d3\u05d5\u05d7\u05e7\u05d9\u05dd \u05d0\u05d5\u05ea\u05dd \u05d0\u05dc \u05e7\u05e6\u05d4 \u05d2\u05d1\u05d5\u05dc \u05d4\u05d9\u05db\u05d5\u05dc\u05ea \u2014 \u05d5\u05dc\u05e4\u05ea\u05d5\u05d7 \u05e0\u05ea\u05d9\u05d1\u05d9\u05dd \u05d7\u05d3\u05e9\u05d9\u05dd \u05dc\u05d4\u05e0\u05d3\u05e1\u05d4 \u05d1\u05e1\u05d1\u05d9\u05d1\u05d5\u05ea \u05e7\u05d9\u05e6\u05d5\u05df.<\/p>\n<p>\u05d4\u05de\u05d7\u05e7\u05e8 \u05e4\u05d5\u05e8\u05e1\u05dd \u05d1\u05db\u05ea\u05d1 \u05d4\u05e2\u05ea <a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/yp9h-sr2m\">Physical Review Letters<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u05d1\u05de\u05e9\u05da \u05e2\u05e9\u05e8\u05d5\u05ea \u05e9\u05e0\u05d9\u05dd \u05d4\u05e1\u05ea\u05de\u05db\u05d5 \u05de\u05d4\u05e0\u05d3\u05e1\u05d9\u05dd \u05e2\u05dc \u05db\u05dc\u05dc \u05e4\u05e9\u05d5\u05d8 \u05d1\u05ea\u05db\u05e0\u05d5\u05df \u05de\u05ea\u05db\u05d5\u05ea \u05d7\u05d6\u05e7\u05d5\u05ea \u05d9\u05d5\u05ea\u05e8: \u05d4\u05e7\u05d8\u05e0\u05ea \u05d2\u05d5\u05d3\u05dc \u05d4\u05d2\u05e8\u05e2\u05d9\u05e0\u05d9\u05dd \u05d4\u05d5\u05e4\u05db\u05ea \u05d0\u05ea \u05d4\u05d7\u05d5\u05de\u05e8 \u05dc\u05e7\u05e9\u05d9\u05d7 \u05d5\u05e2\u05de\u05d9\u05d3 \u05d9\u05d5\u05ea\u05e8 \u05d1\u05e4\u05e0\u05d9 \u05e0\u05d6\u05e7. \u05e2\u05d9\u05e7\u05e8\u05d5\u05df \u05d6\u05d4, \u05d4\u05de\u05d5\u05db\u05e8 \u05db\u05d9\u05d7\u05e1 \u05d4\u05d5\u05dc\u2013\u05e4\u05b6\u05bc\u05e5\u05f3 (Hall\u2013Petch), \u05e2\u05d9\u05e6\u05d1 \u05d0\u05d9\u05e0\u05e1\u05e4\u05d5\u05e8 \u05d9\u05d9\u05e9\u05d5\u05de\u05d9\u05dd \u2014 \u05de\u05de\u05d1\u05e0\u05d9 \u05ea\u05e2\u05d5\u05e4\u05d4 \u05d5\u05e2\u05d3 \u05e9\u05e8\u05d9\u05d5\u05df \u05de\u05d2\u05df. \u05d0\u05d5\u05dc\u05dd \u05de\u05d7\u05e7\u05e8 \u05d7\u05d3\u05e9 \u05de\u05e6\u05d1\u05d9\u05e2 \u05e2\u05dc \u05db\u05da \u05e9\u05d1\u05ea\u05e0\u05d0\u05d9\u05dd \u05e7\u05d9\u05e6\u05d5\u05e0\u05d9\u05d9\u05dd \u05d4\u05db\u05dc\u05dc \u05d4\u05d6\u05d4 \u05d7\u05d3\u05dc \u05dc\u05e4\u05e2\u05d5\u05dc \u2014 \u05d5\u05d0\u05e3 \u05e2\u05e9\u05d5\u05d9 \u05dc\u05d4\u05ea\u05d4\u05e4\u05da. \u05d7\u05d5\u05e7\u05e8\u05d9\u05dd [&hellip;]<\/p>\n","protected":false},"author":152,"featured_media":133717,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[24344,9754,37148,9764,5118,24018,5111,5262,30200,5113,25782,9762,5167],"tags":[39297,36967,39296,37479,25220],"class_list":{"0":"post-133719","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-24344","8":"category-hls-he2","9":"category-37148","10":"category-protection1-he","11":"category-defense-update-2-2","12":"category-24018","13":"category-5111","14":"category-technology-news-3","15":"category-30200","16":"category-5113","17":"category-25782","18":"category-laser-he","19":"category-survivability-protection-2","20":"tag-39297","21":"tag--he","22":"tag-39296","23":"tag-37479","24":"tag--he-2"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u05e4\u05e8\u05d9\u05e6\u05ea \u05d3\u05e8\u05da \u05d1\u05e4\u05d9\u05d6\u05d9\u05e7\u05d4 \u05e2\u05e9\u05d5\u05d9\u05d4 \u05dc\u05e9\u05e0\u05d5\u05ea \u05d0\u05ea \u05d0\u05d5\u05e4\u05df \u05d1\u05e0\u05d9\u05d9\u05ea \u05e9\u05e8\u05d9\u05d5\u05e0\u05d9\u05dd - iHLS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/i-hls.com\/he\/archives\/133719\" \/>\n<meta property=\"og:locale\" content=\"he_IL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u05e4\u05e8\u05d9\u05e6\u05ea \u05d3\u05e8\u05da \u05d1\u05e4\u05d9\u05d6\u05d9\u05e7\u05d4 \u05e2\u05e9\u05d5\u05d9\u05d4 \u05dc\u05e9\u05e0\u05d5\u05ea \u05d0\u05ea \u05d0\u05d5\u05e4\u05df \u05d1\u05e0\u05d9\u05d9\u05ea \u05e9\u05e8\u05d9\u05d5\u05e0\u05d9\u05dd - iHLS\" \/>\n<meta property=\"og:description\" content=\"\u05d1\u05de\u05e9\u05da \u05e2\u05e9\u05e8\u05d5\u05ea \u05e9\u05e0\u05d9\u05dd \u05d4\u05e1\u05ea\u05de\u05db\u05d5 \u05de\u05d4\u05e0\u05d3\u05e1\u05d9\u05dd \u05e2\u05dc \u05db\u05dc\u05dc \u05e4\u05e9\u05d5\u05d8 \u05d1\u05ea\u05db\u05e0\u05d5\u05df \u05de\u05ea\u05db\u05d5\u05ea \u05d7\u05d6\u05e7\u05d5\u05ea \u05d9\u05d5\u05ea\u05e8: \u05d4\u05e7\u05d8\u05e0\u05ea \u05d2\u05d5\u05d3\u05dc \u05d4\u05d2\u05e8\u05e2\u05d9\u05e0\u05d9\u05dd \u05d4\u05d5\u05e4\u05db\u05ea \u05d0\u05ea \u05d4\u05d7\u05d5\u05de\u05e8 \u05dc\u05e7\u05e9\u05d9\u05d7 \u05d5\u05e2\u05de\u05d9\u05d3 \u05d9\u05d5\u05ea\u05e8 \u05d1\u05e4\u05e0\u05d9 \u05e0\u05d6\u05e7. \u05e2\u05d9\u05e7\u05e8\u05d5\u05df \u05d6\u05d4, \u05d4\u05de\u05d5\u05db\u05e8 \u05db\u05d9\u05d7\u05e1 \u05d4\u05d5\u05dc\u2013\u05e4\u05b6\u05bc\u05e5\u05f3 (Hall\u2013Petch), \u05e2\u05d9\u05e6\u05d1 \u05d0\u05d9\u05e0\u05e1\u05e4\u05d5\u05e8 \u05d9\u05d9\u05e9\u05d5\u05de\u05d9\u05dd \u2014 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