English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

Magnetic properties which are related to the compositions on the grain boundaries of the NdFeB permanent magnets were studied at different hot working temperatures applied to the cast Nd18Tb1Fe66.5Co5Al1.5B8 ingots. Since the addition of Al caused the formation of hard magnetic mu phase between the magnetic NdFeB crystals after the pressing 800 degrees C H-c value increased to the highest value of 8.21 kOe. According to the SEM micrographs and EDS analysis, the increase in pressing temperature, the atomic ratios in the NdFeAl compositions approached to hard magnetic p, phase with the increase in pressing temperature and its exact composition was obtained in the sample hot deformed at 800 degrees C. Although the secondary mu phase with a high melting temperature is detremental to the alignment of c axis of the magnetic NdFeB grains along the pressing direction, we found that the magnetic properties of the magnets improve due to the presence of this hard magnetic phase on the grain boundaries. DOT: 10.12693/APhysPolA.123.233

acta physica polonica. a

Investigation of Grain Boundary Compositions and Magnetic Properties of Hot-Worked Nd18Tb1Fe66.5Co5Al1.5B8Magnets