{"id":64298,"date":"2021-08-06T11:28:29","date_gmt":"2021-08-06T09:28:29","guid":{"rendered":"https:\/\/staging.step-lab.com\/?page_id=64298"},"modified":"2023-09-21T15:28:39","modified_gmt":"2023-09-21T13:28:39","slug":"prove-a-fatica-ad-alto-numero-di-cicli","status":"publish","type":"page","link":"https:\/\/step-lab.com\/it\/prove-a-fatica\/prove-a-fatica-ad-alto-numero-di-cicli\/","title":{"rendered":"Prove a fatica ad alto numero di cicli"},"content":{"rendered":"<div  class='flex_column av-31ymdoq-2d32459a49495e1f35ed3e83a4b7a5b0 av_three_fifth  avia-builder-el-0  el_before_av_two_fifth  avia-builder-el-first  first flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lmt7dy9y-9f9265f923ac5f57c71f386bad1bc746\">\n#top .av_textblock_section.av-lmt7dy9y-9f9265f923ac5f57c71f386bad1bc746 .avia_textblock{\nfont-size:22px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top .av_textblock_section.av-lmt7dy9y-9f9265f923ac5f57c71f386bad1bc746 .avia_textblock{\nfont-size:22px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-lmt7dy9y-9f9265f923ac5f57c71f386bad1bc746 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1>PROVE DI FATICA AD ALTO NUMERO DI CICLI<\/h1>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lmt7jm9h-d72a73085bf8469113258e0d24a1ea19\">\n#top .av_textblock_section.av-lmt7jm9h-d72a73085bf8469113258e0d24a1ea19 .avia_textblock{\nfont-size:18px;\n}\n<\/style>\n<section  class='av_textblock_section av-lmt7jm9h-d72a73085bf8469113258e0d24a1ea19 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Le <strong>prove di fatica ad alto numero di cicli<\/strong> sono una componente critica dell&#8217;ingegneria dei materiali e della progettazione strutturale, in quanto servono come strumento fondamentale per valutare la resistenza e l&#8217;affidabilit\u00e0 di vari materiali e componenti che subiscono carichi ciclici durante la loro vita operativa. In queste prove, gli ingegneri sottopongono i materiali e le strutture a sollecitazioni meccaniche o sforzi ripetitivi, simulando le condizioni che potrebbero incontrare durante il normale utilizzo. L&#8217;obiettivo \u00e8 capire come si comportano i materiali sotto ripetuti cicli di carico e scarico e determinare il punto in cui si rompono per fatica.<\/p>\n<p>Le prove di fatica ad alto numero di cicli sono essenziali per settori come quello aerospaziale, automobilistico, dell&#8217;ingegneria civile e manifatturiero, dove l&#8217;affidabilit\u00e0 e la sicurezza dei componenti sono fondamentali.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-9lld4a-ada9a4122e781d62748676c73df17f33\">\n#top .hr.hr-invisible.av-9lld4a-ada9a4122e781d62748676c73df17f33{\nheight:80px;\n}\n<\/style>\n<div  class='hr av-9lld4a-ada9a4122e781d62748676c73df17f33 hr-invisible  avia-builder-el-3  el_after_av_textblock  el_before_av_heading '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2v0v1ey-c554b3c0dc607e6016011f4e3770d202\">\n#top .av-special-heading.av-2v0v1ey-c554b3c0dc607e6016011f4e3770d202{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-2v0v1ey-c554b3c0dc607e6016011f4e3770d202 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-2v0v1ey-c554b3c0dc607e6016011f4e3770d202 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-2v0v1ey-c554b3c0dc607e6016011f4e3770d202 av-special-heading-h2  avia-builder-el-4  el_after_av_hr  el_before_av_textblock '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Che cosa \u00e8 la fatica ad alto numero di cicli HCF?<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ks04i1v9-ce6b4ea6ccd2ff11f11ab6c6372b7e36\">\n#top .av_textblock_section.av-ks04i1v9-ce6b4ea6ccd2ff11f11ab6c6372b7e36 .avia_textblock{\nfont-size:18px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top .av_textblock_section.av-ks04i1v9-ce6b4ea6ccd2ff11f11ab6c6372b7e36 .avia_textblock{\nfont-size:18px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-ks04i1v9-ce6b4ea6ccd2ff11f11ab6c6372b7e36 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>La <strong>fatica ad alto numero di cicli (HCF)<\/strong> \u00e8 utile per i materiali soggetti a basse forze applicate e in cui la deformazione \u00e8 principalmente di natura elastica. I test HCF sono generalmente controllati dalla forza e in genere funzionano a un milione o pi\u00f9 di cicli.<\/p>\n<p>I nostri sistemi meccanici per test a fatica misurano come le forze cicliche influenzeranno un prodotto o un materiale nel tempo, utilizzando carichi, velocit\u00e0 e condizioni ambientali variabili. I nostri metodi di prova della fatica, come la fatica ad alto numero di cicli, sono utili per simulare scenari specifici e indagare sui guasti del mondo reale.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-omkwa-f1da39f36cc06e784cabf0e598b74a9e\">\n#top .hr.hr-invisible.av-omkwa-f1da39f36cc06e784cabf0e598b74a9e{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-omkwa-f1da39f36cc06e784cabf0e598b74a9e hr-invisible  avia-builder-el-6  el_after_av_textblock  el_before_av_heading '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-w8xfu-213ada49c83ee323275c7b9df063d289\">\n#top .av-special-heading.av-w8xfu-213ada49c83ee323275c7b9df063d289{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-w8xfu-213ada49c83ee323275c7b9df063d289 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-w8xfu-213ada49c83ee323275c7b9df063d289 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-w8xfu-213ada49c83ee323275c7b9df063d289 av-special-heading-h2  avia-builder-el-7  el_after_av_hr  el_before_av_textblock '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Procedura di test HCF<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ks04i1v9-4-0149f1e4f61971ce87cf857e85659b51\">\n#top .av_textblock_section.av-ks04i1v9-4-0149f1e4f61971ce87cf857e85659b51 .avia_textblock{\nfont-size:18px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top .av_textblock_section.av-ks04i1v9-4-0149f1e4f61971ce87cf857e85659b51 .avia_textblock{\nfont-size:22px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-ks04i1v9-4-0149f1e4f61971ce87cf857e85659b51 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>I test di fatica ad alto numero di cicli vengono generalmente condotti su provini in controllo carico\/sollecitazione per sviluppare curve S-N (Stress-Life). Una curva S-N viene generata testando i campioni con un carico\/sollecitazione costante e registrando il numero di cicli fino al cedimento. I dati vengono quindi compilati e viene applicato un miglior adattamento alla tendenza. Questo stabilisce una relazione tra un particolare livello di carico\/stress e la vita a fatica del materiale.<\/p>\n<p>Durante un test HCF, i campioni sperimentano frequenze comprese tra 20 Hz e 100 Hz, a seconda dei tipi di materiale e delle condizioni ambientali. Il test continua fino al guasto del provino o fino al raggiungimento di un numero predeterminato di cicli.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1hwwcju-282d4d071caa2988845b3630608a481c\">\n#top .hr.hr-invisible.av-1hwwcju-282d4d071caa2988845b3630608a481c{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-1hwwcju-282d4d071caa2988845b3630608a481c hr-invisible  avia-builder-el-9  el_after_av_textblock  el_before_av_heading '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1yob65m-711e9021e47d01c434d6d3d5ed5ab2db\">\n#top .av-special-heading.av-1yob65m-711e9021e47d01c434d6d3d5ed5ab2db{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-1yob65m-711e9021e47d01c434d6d3d5ed5ab2db .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-1yob65m-711e9021e47d01c434d6d3d5ed5ab2db .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-1yob65m-711e9021e47d01c434d6d3d5ed5ab2db av-special-heading-h2  avia-builder-el-10  el_after_av_hr  el_before_av_textblock '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Perch\u00e9 eseguire le prove a HFG?<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ks04i1v9-2-e3cf1d9d5be7e83e9ff1a6d91f1726cc\">\n#top .av_textblock_section.av-ks04i1v9-2-e3cf1d9d5be7e83e9ff1a6d91f1726cc .avia_textblock{\nfont-size:18px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top .av_textblock_section.av-ks04i1v9-2-e3cf1d9d5be7e83e9ff1a6d91f1726cc .avia_textblock{\nfont-size:22px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-ks04i1v9-2-e3cf1d9d5be7e83e9ff1a6d91f1726cc '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Comprendere questa relazione tra livello di carico\/stress e durata a fatica pu\u00f2 essere indispensabile per le prestazioni di un design adeguato dei materiali per i settori aerospaziale, aeronautico, automobilistico, motorsport, del ministero della difesa, petrolifero e della produzione di energia.<\/p>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-17154i2-8b48e7a5fd580f3e1447d7453ea986d3 av_two_fifth  avia-builder-el-12  el_after_av_three_fifth  el_before_av_section  avia-builder-el-last  flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jv9emi-dbfc0f9b43ea08c84bcfc13deed35124\">\n.avia-image-container.av-jv9emi-dbfc0f9b43ea08c84bcfc13deed35124 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-jv9emi-dbfc0f9b43ea08c84bcfc13deed35124 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-jv9emi-dbfc0f9b43ea08c84bcfc13deed35124 av-styling- avia-align-center  avia-builder-el-13  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-95083 avia-img-lazy-loading-not-95083 avia_image ' src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2023\/07\/prove-meccaniche.jpg\" alt='fatigue-test' title='fatigue-test'  height=\"1371\" width=\"918\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2023\/07\/prove-meccaniche.jpg 918w, https:\/\/step-lab.com\/wp-content\/uploads\/2023\/07\/prove-meccaniche-201x300.jpg 201w, https:\/\/step-lab.com\/wp-content\/uploads\/2023\/07\/prove-meccaniche-690x1030.jpg 690w, https:\/\/step-lab.com\/wp-content\/uploads\/2023\/07\/prove-meccaniche-768x1147.jpg 768w, https:\/\/step-lab.com\/wp-content\/uploads\/2023\/07\/prove-meccaniche-472x705.jpg 472w\" sizes=\"(max-width: 918px) 100vw, 918px\" \/><\/div><\/div><\/div><\/div><\/p>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ks04qfdh-649853a327852a1041690de20dd24784\">\n.avia-section.av-ks04qfdh-649853a327852a1041690de20dd24784{\nbackground-color:#b02b2c;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-ks04qfdh-649853a327852a1041690de20dd24784 main_color avia-section-default avia-no-border-styling  avia-builder-el-14  el_after_av_two_fifth  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-64298'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-5bkix6-d8a76ff60c7ec5dfeefef343718b4a6a\">\n#top .av-special-heading.av-5bkix6-d8a76ff60c7ec5dfeefef343718b4a6a{\npadding-bottom:10px;\ncolor:#ffffff;\n}\nbody .av-special-heading.av-5bkix6-d8a76ff60c7ec5dfeefef343718b4a6a .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-5bkix6-d8a76ff60c7ec5dfeefef343718b4a6a .special-heading-inner-border{\nborder-color:#ffffff;\n}\n.av-special-heading.av-5bkix6-d8a76ff60c7ec5dfeefef343718b4a6a .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-5bkix6-d8a76ff60c7ec5dfeefef343718b4a6a av-special-heading-h2 custom-color-heading  avia-builder-el-15  el_before_av_textblock  avia-builder-el-first '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Norme<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ks04i1v9-1-f0f19f357a270b3299ff325d40d3f3da\">\n#top .av_textblock_section.av-ks04i1v9-1-f0f19f357a270b3299ff325d40d3f3da .avia_textblock{\nfont-size:18px;\ncolor:#ffffff;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top .av_textblock_section.av-ks04i1v9-1-f0f19f357a270b3299ff325d40d3f3da .avia_textblock{\nfont-size:18px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-ks04i1v9-1-f0f19f357a270b3299ff325d40d3f3da '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><ul>\n<li>Serie BS 6072 Aerospace \u2013 Materiali metallici \u2013 Metodi di prova \u2013 Prove di fatica ad ampiezza costante<\/li>\n<li>BS ISO 1143 Materiali metallici \u2013 Prove di fatica a flessione di barre rotanti<\/li>\n<li>ISO 1099 Materiali metallici \u2013 Prove di fatica \u2013 Metodo a forza assiale controllata<\/li>\n<li>prEN 3874 \u2013 Metodi di prova per materiali metallici \u2013 Prove di fatica a basso numero di cicli con controllo della forza ad ampiezza costante<\/li>\n<li>Pratica standard ASTM E466 per l&#8217;esecuzione di prove di fatica assiale ad ampiezza costante controllata dalla forza di materiali metallici<\/li>\n<\/ul>\n<\/div><\/section>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-5s0h51m-1f6572c17fe8c46847de25afca92af2c\">\n.avia-section.av-5s0h51m-1f6572c17fe8c46847de25afca92af2c{\nbackground-color:#dddddd;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_2'  class='avia-section av-5s0h51m-1f6572c17fe8c46847de25afca92af2c main_color avia-section-default avia-no-border-styling  avia-builder-el-17  el_after_av_section  avia-builder-el-last  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-64298'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-5idm00a-77c8adb6cdceabcf8030e0548ce46c84\">\n.flex_column.av-5idm00a-77c8adb6cdceabcf8030e0548ce46c84{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-5idm00a-77c8adb6cdceabcf8030e0548ce46c84 av_one_fifth  avia-builder-el-18  el_before_av_one_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4yr9bwq-2ee5c7b48e5ead247795b072d9a4492d\">\n.flex_column.av-4yr9bwq-2ee5c7b48e5ead247795b072d9a4492d{\nborder-radius:0px 0px 0px 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class='wp-image-65298 avia-img-lazy-loading-not-65298 avia_image ' src=\"https:\/\/step-lab.com\/wp-content\/uploads\/man-593333_1920-845x684.png\" alt='' title='man-593333_1920'  height=\"684\" width=\"845\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/man-593333_1920-845x684.png 845w, https:\/\/step-lab.com\/wp-content\/uploads\/man-593333_1920-495x400.png 495w\" sizes=\"(max-width: 845px) 100vw, 845px\" \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-44iz38q-505f84a7ec0a84e82644fab46a50f14e\">\n.flex_column.av-44iz38q-505f84a7ec0a84e82644fab46a50f14e{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-44iz38q-505f84a7ec0a84e82644fab46a50f14e av_three_fifth  avia-builder-el-21  el_after_av_one_fifth  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" 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