{"id":296134,"date":"2024-10-19T20:08:51","date_gmt":"2024-10-19T20:08:51","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-60404-8-12015\/"},"modified":"2024-10-25T17:26:28","modified_gmt":"2024-10-25T17:26:28","slug":"bs-en-60404-8-12015","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-60404-8-12015\/","title":{"rendered":"BS EN 60404-8-1:2015"},"content":{"rendered":"

This part of IEC 60404<\/span> <\/span> specifies minimum values for the principal magnetic properties of, and dimensional tolerances for, technically important magnetically hard materials (permanent magnets).<\/p>\n

For information purposes only, this part of IEC 60404<\/span> <\/span> provides values for the densities of the materials and the ranges of their chemical compositions.<\/p>\n

\n
\n NOTE\n <\/div>\n

Some additional physical data and mechanical reference values concerning the magnetic materials are given in Table A.1<\/span> for information and comparison purposes.<\/p>\n<\/div>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
4<\/td>\nForeword
Endorsement notice <\/td>\n<\/tr>\n
5<\/td>\nAnnex ZA (normative) Normative references to international publications with their corresponding European publications <\/td>\n<\/tr>\n
6<\/td>\nEnglish
CONTENTS <\/td>\n<\/tr>\n
8<\/td>\nFOREWORD <\/td>\n<\/tr>\n
10<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
11<\/td>\n1 Scope
2 Normative references
3 Terms and definitions
4 Types of materials and their applications <\/td>\n<\/tr>\n
12<\/td>\n5 Classification
5.1 General
5.2 Principal magnetic properties
Tables
Table 1 \u2013 Classification of magnetically hard materials <\/td>\n<\/tr>\n
13<\/td>\n5.3 Additional magnetic properties
Table 2 \u2013 Magnetic properties \u2014 Symbols and units
Table 3 \u2013 Additional magnetic properties \u2014 Symbols and units <\/td>\n<\/tr>\n
14<\/td>\n6 Chemical composition
7 Densities
8 Designation
9 Mode of shipment and dimensions
10 Testing
10.1 Extent of testing
10.2 Testing methods <\/td>\n<\/tr>\n
15<\/td>\n11 Grounds for rejection
12 Description of tables of standard properties
12.1 Magnetically hard alloys
12.1.1 Aluminium-nickel-cobalt-iron-titanium alloys (AINiCo)
Table 4 \u2014 Chemical compositions of AlNiCo alloys (% mass fraction) <\/td>\n<\/tr>\n
16<\/td>\n12.1.2 Chromium-iron-cobalt alloys (CrFeCo)
12.1.3 Iron-cobalt-vanadium-chromium alloys (FeCoVCr)
Table 5 \u2014 Chemical compositions of CrFeCo alloys (% mass fraction)
Table 6 \u2014 Chemical compositions of FeCoVCr alloys (% mass fraction) <\/td>\n<\/tr>\n
17<\/td>\n12.1.4 Rare earth-cobalt alloys (RECo)
Table 7 \u2013 Chemical compositions of RECo alloys (% mass fraction) <\/td>\n<\/tr>\n
18<\/td>\n12.1.5 Rare earth-iron-boron alloys (REFeB)
12.2 Magnetically hard ceramics (magnetically hard ferrites)
12.2.1 Chemical composition
Table 8 \u2013 Chemical compositions of REFeB alloys (% mass fraction) <\/td>\n<\/tr>\n
19<\/td>\n12.2.2 Manufacturing method
12.2.3 Sub-classification
12.2.4 Magnetic properties and densities
12.2.5 Dimensional tolerances
12.3 Bonded magnets
12.3.1 General
12.3.2 Chemical composition <\/td>\n<\/tr>\n
20<\/td>\n12.3.3 Manufacturing method
12.3.4 Sub-classification
Table 9 \u2013 Chemical compositions of REFeN alloys for bonded magnet (% mass fraction) <\/td>\n<\/tr>\n
21<\/td>\n12.3.5 Magnetic properties and densities
12.3.6 Dimensional tolerances
13 Irreversible demagnetization behaviour
13.1 General <\/td>\n<\/tr>\n
22<\/td>\n13.2 General definition of demagnetization field strength HD
13.3 Simplified definition of demagnetization field strength HD <\/td>\n<\/tr>\n
23<\/td>\nFigure 1 \u2013 Graphic representation of B(H) and J(H) demagnetization and recoil curves <\/td>\n<\/tr>\n
24<\/td>\nFigure 2 \u2013 Simplified evaluation of B(H) and J(H) demagnetization and recoil curves <\/td>\n<\/tr>\n
25<\/td>\nTable 10 \u2013 Magnetic properties and densities of AlNiCo magnets <\/td>\n<\/tr>\n
26<\/td>\nTable 11 \u2013 Magnetic properties and densities of CrFeCo and FeCoVCr magnets <\/td>\n<\/tr>\n
27<\/td>\nTable 12 \u2013 Magnetic properties and densities of RECo magnets <\/td>\n<\/tr>\n
28<\/td>\nTable 13 \u2013 Magnetic properties and densities of REFeB magnets <\/td>\n<\/tr>\n
29<\/td>\nTable 14 \u2013 Magnetic properties and densities of hard ferrites <\/td>\n<\/tr>\n
30<\/td>\nTable 15 \u2013 Magnetic properties and densities of isotropic AlNiCo alloys with organic binder <\/td>\n<\/tr>\n
31<\/td>\nTable 16 \u2013 Magnetic properties and densities of RECo alloys with organic binder <\/td>\n<\/tr>\n
32<\/td>\nTable 17 \u2013 Magnetic properties and densities of isotropic REFeB alloys with organic binder <\/td>\n<\/tr>\n
33<\/td>\nTable 18 \u2013 Magnetic properties and densities of isotropic and anisotropic hard ferrites with organic binder <\/td>\n<\/tr>\n
34<\/td>\nTable 19 \u2013 Magnetic properties and densities of anisotropic REFeN alloys with organic binder <\/td>\n<\/tr>\n
35<\/td>\nTable 20 \u2013 Dimensional tolerances (as cast or as sintered)of magnets made from AlNiCo alloys <\/td>\n<\/tr>\n
36<\/td>\nTable 21 \u2013 Dimensional tolerances of cold rolled strips of FeCoVCr and CrFeCo alloys with a maximum thickness of 6 mm and maximum width of 125 mm
Table 22 \u2013 Dimensional tolerances of the diameter of cold drawn wires and bars of FeCoVCr and CrFeCo alloys <\/td>\n<\/tr>\n
37<\/td>\nTable 23 \u2013 Dimensional tolerances on magnets made from hard ferrites <\/td>\n<\/tr>\n
38<\/td>\nAnnex\u00a0A (informative)Physical data and mechanical reference values of AINiCo, CrFeCo, FeCoVCr, SmCo, NdFeB, hard ferrite and bonded SmFeN magnets <\/td>\n<\/tr>\n
39<\/td>\nTable A.1 \u2013 Physical data and mechanical reference values of AlNiCo, CrFeCo, FeCoVCr,SmCo, NdFeB, hard ferrite and bonded SmFeN magnets <\/td>\n<\/tr>\n
40<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Magnetic materials – Specifications for individual materials. Magnetically hard materials<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2015<\/td>\n42<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":296138,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-296134","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/296134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/296138"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=296134"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=296134"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=296134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}