Magnetics Business & Technology - May/June 2019 - 12

FEATURE ARTICLE

Hitachi Develops Higher-Efficiency Motor Technology Using Amorphous
Magnetic Metal from Subsidiary MetGlas
has applied this to a new design that it says can be economically
mass produced.
"One of the means to achieve higher efficiency in motors is the
use of amorphous metals for cores, the core loss of which is
as low as 1/10 or less that of magnetic steel sheets," said the
company. "However, amorphous metals are harder to process
than magnetic steel sheets, which has conventionally posed a
problem for productivity when they are processed into complicated shapes."

Hitachi Metals reports that it has made an important advancement in the use of amorphous magnetic metal for cost-effectively
manufacturing electric motors, a development that could bode
well for improving the energy efficiency of electric vehicles,
industrial equipment and electrical appliances.
Using specialized amorphous metal from its subsidiary Metglas
to form the motor teeth, Hitachi released data demonstrating
a four to five-fold reduction in core loss than experienced in a
comparable motor with standard magnetic steel sheet teeth - and

In the structure recently developed, Hitachi researchers focused
their efforts on a core with a low core loss that would be relatively
easy to manufacture and applied laminations of sheared Metglas
amorphous metal only to the teeth.

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Magnetics Business & Technology - May/June 2019

Table of Contents for the Digital Edition of Magnetics Business & Technology - May/June 2019

Magnetics Business & Technology - May/June 2019
Contents
Editor’s Choice/ Features
Hitachi Metals Equips Innovation Center for 3D Printing of Large Metal Parts
Tech Tips: Adhesive Fundamentals for Common Magnet Bonding Applications
Innovative Winding Technology Leads to New Generation of Inductive Products from BLOCK BLOCK,
Research & Development
NASA Spacecraft Discover New Magnetic Process in Turbulent Space
Product News
Industry News
Marketplace/ Advertising Index
Heat-Assisted Magnetic Recording Milestone Reached by Seagate Technology
Magnetics Business & Technology - May/June 2019 - Magnetics Business & Technology - May/June 2019
Magnetics Business & Technology - May/June 2019 - Cover2
Magnetics Business & Technology - May/June 2019 - Contents
Magnetics Business & Technology - May/June 2019 - Editor’s Choice/ Features
Magnetics Business & Technology - May/June 2019 - 5
Magnetics Business & Technology - May/June 2019 - Hitachi Metals Equips Innovation Center for 3D Printing of Large Metal Parts
Magnetics Business & Technology - May/June 2019 - 7
Magnetics Business & Technology - May/June 2019 - Tech Tips: Adhesive Fundamentals for Common Magnet Bonding Applications
Magnetics Business & Technology - May/June 2019 - 9
Magnetics Business & Technology - May/June 2019 - Innovative Winding Technology Leads to New Generation of Inductive Products from BLOCK BLOCK,
Magnetics Business & Technology - May/June 2019 - 11
Magnetics Business & Technology - May/June 2019 - 12
Magnetics Business & Technology - May/June 2019 - 13
Magnetics Business & Technology - May/June 2019 - Research & Development
Magnetics Business & Technology - May/June 2019 - 15
Magnetics Business & Technology - May/June 2019 - NASA Spacecraft Discover New Magnetic Process in Turbulent Space
Magnetics Business & Technology - May/June 2019 - 17
Magnetics Business & Technology - May/June 2019 - Product News
Magnetics Business & Technology - May/June 2019 - 19
Magnetics Business & Technology - May/June 2019 - 20
Magnetics Business & Technology - May/June 2019 - 21
Magnetics Business & Technology - May/June 2019 - 22
Magnetics Business & Technology - May/June 2019 - Industry News
Magnetics Business & Technology - May/June 2019 - 24
Magnetics Business & Technology - May/June 2019 - 25
Magnetics Business & Technology - May/June 2019 - 26
Magnetics Business & Technology - May/June 2019 - 27
Magnetics Business & Technology - May/June 2019 - Marketplace/ Advertising Index
Magnetics Business & Technology - May/June 2019 - 29
Magnetics Business & Technology - May/June 2019 - Heat-Assisted Magnetic Recording Milestone Reached by Seagate Technology
Magnetics Business & Technology - May/June 2019 - Cover3
Magnetics Business & Technology - May/June 2019 - Cover4
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