{"id":1659,"date":"2025-05-29T04:05:52","date_gmt":"2025-05-29T04:05:52","guid":{"rendered":"https:\/\/nbaem.com\/?p=1659"},"modified":"2025-09-17T07:39:03","modified_gmt":"2025-09-17T07:39:03","slug":"what-is-remanence","status":"publish","type":"post","link":"https:\/\/nbaem.com\/sr\/what-is-remanence\/","title":{"rendered":"\u0160ta je remanencija?"},"content":{"rendered":"

\u0160ta je remanencija?<\/h1>\n

Jeste li ikada se zapitali za\u0161to magnet ostaje magnetisan dugo nakon \u0161to je uklonjen iz magnetskog polja? To je remanencija na delu.<\/p>\n

Remanencija, ili rezidualna magnetizacija (Br), je nivo magnetizma koji stalni magnet zadr\u017eava nakon \u0161to je spolja\u0161nje magnetno polje uklonjeno.<\/strong><\/p>\n

\"70

70 BH kriva<\/p><\/div>\n

Let\u2019s dive deeper into this essential property of permanent magnets and how it relates to coercivity.<\/p>\n

what is remanence(Br)?<\/h2>\n

Magnets don\u2019t just \u201cforget\u201d their magnetism. Remanence shows how much magnetism remains in a material.<\/p>\n

Remanence (Br) is measured in Tesla or Gauss and indicates the strength of magnetism retained when the magnet is no longer exposed to an external magnetic field.<\/strong><\/p>\n

\"magnetna

magnetna histerezna kriva<\/p><\/div>\n

<\/h3>\n

The science of remanence<\/h3>\n

Remanence (Br) reflects how strongly a permanent magnet holds onto its magnetic properties after magnetizing. The magnet\u2019s material composition, structure, and domain alignment determine its remanence.<\/p>\n

1. Why Br Matters<\/strong><\/h4>\n

Br is critical for applications that need a stable magnetic field without ongoing power. For example, in motors or generators, higher remanence means more consistent performance.<\/p>\n\n\n\n\n\n\n\n
Faktor<\/th>\nHigh Remanence (Br) Magnets<\/th>\nLow Remanence (Br) Magnets<\/th>\n<\/tr>\n<\/thead>\n
Materijalna vrsta<\/td>\nNdFeB, SmCo<\/td>\nAlnico, Ferrite<\/td>\n<\/tr>\n
Field Strength<\/td>\nSna\u017eno<\/td>\nWeaker<\/td>\n<\/tr>\n
Primena<\/td>\nMotori, senzori, zvu\u010dnici<\/td>\nLow-cost applications<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2. How Br is Measured<\/strong><\/h4>\n

Br is measured by magnetizing the sample to saturation, removing the external field, and recording the remaining magnetization.<\/p>\n

3. Material Considerations<\/strong><\/h4>\n

Materials like Neodijum-iron-boron (NdFeB)<\/strong><\/a> <\/span>offer high Br values, making them ideal for applications requiring strong, lasting magnetism. SmCo magnets also have high Br but with better temperature stability. On the other hand, Ferrite magnets have lower Br but are inexpensive and corrosion-resistant.<\/p>\n

In my business, I\u2019ve seen customers switch from Ferrite to NdFeB magnets for high-performance devices like drones and EVs because they need high Br for efficiency and compact design.<\/p>\n

Zaklju\u010dak<\/h2>\n

Remanence tells us how well a permanent magnet retains its magnetism after magnetizing. It\u2019s key for choosing the right magnet for any application.<\/p>\n

","protected":false},"excerpt":{"rendered":"

What is Remanence? Ever wondered why a magnet stays magnetized long after it\u2019s removed from a magnetic field? That\u2019s remanence at work. Remanence, or residual magnetization (Br), is the level of magnetism a permanent magnet retains after the external magnetic field is removed. Let\u2019s dive deeper into this essential property […]<\/p>","protected":false},"author":1,"featured_media":1354,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1659","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2024\/10\/magnetic-hysteresis.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/sr\/wp-json\/wp\/v2\/posts\/1659","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/sr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/sr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/sr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/sr\/wp-json\/wp\/v2\/comments?post=1659"}],"version-history":[{"count":4,"href":"https:\/\/nbaem.com\/sr\/wp-json\/wp\/v2\/posts\/1659\/revisions"}],"predecessor-version":[{"id":1666,"href":"https:\/\/nbaem.com\/sr\/wp-json\/wp\/v2\/posts\/1659\/revisions\/1666"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/sr\/wp-json\/wp\/v2\/media\/1354"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/sr\/wp-json\/wp\/v2\/media?parent=1659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/sr\/wp-json\/wp\/v2\/categories?post=1659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/sr\/wp-json\/wp\/v2\/tags?post=1659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}