{"id":447548,"date":"2024-10-20T08:52:34","date_gmt":"2024-10-20T08:52:34","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-23-30484005-dc-2023\/"},"modified":"2024-10-26T16:32:44","modified_gmt":"2024-10-26T16:32:44","slug":"bsi-23-30484005-dc-2023","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-23-30484005-dc-2023\/","title":{"rendered":"BSI 23\/30484005 DC 2023"},"content":{"rendered":"

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
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
3<\/td>\n68_757_CD_CP <\/td>\n<\/tr>\n
4<\/td>\nDraft%20Second%20CD_Open_circuit_measurement_method_Superconducting_VSM%20_202311_Clean%20tempNoteJSi <\/td>\n<\/tr>\n
6<\/td>\nFOREWORD <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
10<\/td>\n4 General principle
4.1 Principle of the method <\/td>\n<\/tr>\n
12<\/td>\n4.2 Superconducting magnet (SCM)
4.3 Magnetic field strength sensor (H sensor)
4.4 Magnetic dipole moment detection coil (M coil) <\/td>\n<\/tr>\n
13<\/td>\n4.5 Specimen rod and moving device
4.6 Measuring devices and the data processing device <\/td>\n<\/tr>\n
14<\/td>\n5 Test specimen
6 Preparation of measurement
6.1 Measurement of volume of the test specimen
6.2 Initial magnetization of the test specimen to saturation <\/td>\n<\/tr>\n
15<\/td>\n7 Determination of magnetic polarization
7.1 Measurement of the magnetic dipole moment
7.1.1 SCM-VSM method
7.1.2 SCM-Extraction method <\/td>\n<\/tr>\n
16<\/td>\n7.2 Determination of magnetic polarization
8 Measurement of magnetic field
9 Calibration of the magnetic dipole moment detection coil (M coil)
10 Determination of demagnetization curve <\/td>\n<\/tr>\n
17<\/td>\n11 Demagnetizing field correction
11.1 General
11.2 Method A: Method using a demagnetizing factor determined by the shape of the test specimen only <\/td>\n<\/tr>\n
18<\/td>\n11.3 Method B: Method using a demagnetizing factor determined by the shape and the magnetic susceptibility of the test specimen
11.4 Method C: Method using an inverse analysis considering the spatial distribution of the self-demagnetizing field strength in the test specimen <\/td>\n<\/tr>\n
19<\/td>\n12 Determination of principal magnetic properties
12.1 Remanent magnetic polarization Jr
12.2 Maximum energy product (BH)max
12.3 Coercivity (HcJ and HcB)
13 Reproducibility of the measurements
14 Test report <\/td>\n<\/tr>\n
21<\/td>\nAnnex A (informative) Demagnetizing field correction <\/td>\n<\/tr>\n
23<\/td>\nAnnex B (informative) Details of the demagnetizing field correction
B.1 General
B.2 Symbols <\/td>\n<\/tr>\n
24<\/td>\nB.3 Method using a demagnetizing factor determined by the shape and magnetic susceptibility of the test specimen (Method B) <\/td>\n<\/tr>\n
26<\/td>\nB.4 Method using an inverse analysis considering the spatial distribution of the self-demagnetizing field strength in the test specimen (Method C) <\/td>\n<\/tr>\n
29<\/td>\nAnnex C (informative) VSM measurement of the test specimen at elevated temperatures <\/td>\n<\/tr>\n
30<\/td>\nAnnex D (informative) Effect of test specimen dimensions on the magnetic properties <\/td>\n<\/tr>\n
31<\/td>\nAnnex E (informative) Comparison of the magnetic properties measured with a superconducting VSM and a permeameter <\/td>\n<\/tr>\n
33<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

BS EN IEC 60404-18 Magnetic materials – Part 18: Permanent magnet (magnetically hard) materials – Methods of measurement of the magnetic properties in an open magnetic circuit using a superconducting magnet<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2023<\/td>\n33<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":447556,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[285,2641],"product_tag":[],"class_list":{"0":"post-447548","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-17-220-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/447548","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\/447556"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=447548"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=447548"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=447548"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}