Title:
MAGNETOSTRICTIVE MEMBER AND METHOD FOR PRODUCING MAGNETOSTRICTIVE MEMBER
Document Type and Number:
WIPO Patent Application WO/2022/224974
Kind Code:
A1
Abstract:
[Problem] To provide: a magnetostrictive member having a high magnetostrictive constant and parallel magnetostriction, with little variation in the magnetostrictive constant and parallel magnetostriction between members; and a method for producing a magnetostrictive member. [Solution] This magnetostrictive member is a plate-shaped body that is composed of crystals of an iron-based alloy having magnetostrictive characteristics and that has obverse and reverse surfaces. In one of the front and rear surfaces, the surface roughness Ra and the thickness of the magnetostrictive member satisfy formula (1). Formula (1): log Ra≥0.48t−0.62 (in formula (1), log represents a common logarithm, Ra represents the surface roughness (μm), and t represents the thickness (mm) of the magnetostrictive member.)
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Inventors:
OKUBO KAZUHIKO (JP)
SENDAN YUKI (JP)
IZUMI KIYOSHI (JP)
SENDAN YUKI (JP)
IZUMI KIYOSHI (JP)
Application Number:
PCT/JP2022/018229
Publication Date:
October 27, 2022
Filing Date:
April 19, 2022
Export Citation:
Assignee:
SUMITOMO METAL MINING CO (JP)
International Classes:
C30B29/62; B24B7/22; C22C38/00; C30B29/52; H01L41/20; H01L41/47
Domestic Patent References:
| WO2021100467A1 | 2021-05-27 | |||
| WO2011158473A1 | 2011-12-22 |
Foreign References:
| JP2020107715A | 2020-07-09 | |||
| JPH10239177A | 1998-09-11 | |||
| JP2020050920A | 2020-04-02 | |||
| JP2016138028A | 2016-08-04 | |||
| JP2020200209A | 2020-12-17 | |||
| JP2022074526A | 2022-05-18 | |||
| JP2016028831A | 2016-03-03 | |||
| JP2016138028A | 2016-08-04 | |||
| JPH04108699A | 1992-04-09 | |||
| JP2015517024W | ||||
| JP2021073603A | 2021-05-13 |
Other References:
ETREMA, STATE OF THE ART OF GALFENOL PROCESSING
A. E. CLARK ET AL., APPL. PHYS, vol. 93, 2003, pages 8621
JUNG JIN PARKSUOK-MIN NAGANESH RAGHUNATHALISON B. FLATAU, AIP ADVANCES, vol. 6, 2016, pages 056221
TOSHIYUKI UENO, JOURNAL OF JAPAN SOCIETY FOR PRECISION ENGINEERING, vol. 79, no. 4, 2013, pages 305 - 308
A. E. CLARK ET AL., APPL. PHYS, vol. 93, 2003, pages 8621
JUNG JIN PARKSUOK-MIN NAGANESH RAGHUNATHALISON B. FLATAU, AIP ADVANCES, vol. 6, 2016, pages 056221
TOSHIYUKI UENO, JOURNAL OF JAPAN SOCIETY FOR PRECISION ENGINEERING, vol. 79, no. 4, 2013, pages 305 - 308
Attorney, Agent or Firm:
USAMI, Aya et al. (JP)
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