KR850007885A - 바아크하우젠 노이즈 측정에 의한 자기 특성 측정방법 - Google Patents

바아크하우젠 노이즈 측정에 의한 자기 특성 측정방법 Download PDF

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Publication number
KR850007885A
KR850007885A KR1019840001971A KR840001971A KR850007885A KR 850007885 A KR850007885 A KR 850007885A KR 1019840001971 A KR1019840001971 A KR 1019840001971A KR 840001971 A KR840001971 A KR 840001971A KR 850007885 A KR850007885 A KR 850007885A
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KR
South Korea
Prior art keywords
measuring
barkhausen noise
yoke
display
magnetic characteristics
Prior art date
Application number
KR1019840001971A
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English (en)
Other versions
KR860000965B1 (ko
Inventor
1) 김호철(외
Original Assignee
전학제
한국과학기술원
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 전학제, 한국과학기술원 filed Critical 전학제
Priority to KR1019840001971A priority Critical patent/KR860000965B1/ko
Priority to JP60071284A priority patent/JPS60231189A/ja
Publication of KR850007885A publication Critical patent/KR850007885A/ko
Application granted granted Critical
Publication of KR860000965B1 publication Critical patent/KR860000965B1/ko

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
    • G01R33/14—Measuring or plotting hysteresis curves

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measuring Magnetic Variables (AREA)

Abstract

내용 없음

Description

바아크하우젠 노이즈 측정에 의한 자기 특성 측정방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 측정방법을 설명하기 위한 블록도,
제2도는 본 발명의 측정방법을 설명하기 위한 설치상태도,
제3도는 본 발명의 요크형 마그네트의 구조도.
(도면의 주요부분에 대한 부호의 설명)
1:신호발생기, 2:전원증폭기, 3:검색부, 3a:시편, 4:증폭기 및 필터, 5:시그널 프로세서, 6:표시화면, 7:요크형 마그네트, 7a:코일권회부, 8:시편, 9:탐색코일, 10:코일.

Claims (1)

  1. 신호발생기(1) 및 전원증폭기(2)에서 발생된 전류에 비례하여 자계강도가 조절되는 요크형 마그네트(7)에 의한 시편(8)의 자화 번호로부터 발생하는 바아크하우젠 노이즈를 요크(7)과 동향 또는 대향위치에서 탐색코일(9,9a)로 검출하고, 이를 증폭기 및 필터(4)와 시그날 프로세서(5)를 통해 신호처리하여 바아크하우젠 노이즈의 평균 진폭 및 링다운 카운트를 표시한면(6)에 표시함으로써 자성체의 자기 특성을 측정하고, 검색부(3)을 판형의 자성체에 주사함으로써 크기와 형상의 제한을 받지않고 견함의 분포를 조사, 표시할 수 있는 바아크하우젠 노이즈 측정에 의한 자기 특성 측정방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840001971A 1984-04-13 1984-04-13 바아크하우젠 노이즈 측정에 의한 자기 특성 측정방법 KR860000965B1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019840001971A KR860000965B1 (ko) 1984-04-13 1984-04-13 바아크하우젠 노이즈 측정에 의한 자기 특성 측정방법
JP60071284A JPS60231189A (ja) 1984-04-13 1985-04-05 磁性体の磁気特性測定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019840001971A KR860000965B1 (ko) 1984-04-13 1984-04-13 바아크하우젠 노이즈 측정에 의한 자기 특성 측정방법

Publications (2)

Publication Number Publication Date
KR850007885A true KR850007885A (ko) 1985-12-09
KR860000965B1 KR860000965B1 (ko) 1986-07-23

Family

ID=19233522

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840001971A KR860000965B1 (ko) 1984-04-13 1984-04-13 바아크하우젠 노이즈 측정에 의한 자기 특성 측정방법

Country Status (2)

Country Link
JP (1) JPS60231189A (ko)
KR (1) KR860000965B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102096309B1 (ko) * 2020-01-20 2020-04-03 (주)스마트 제어계측 바크하우젠 측정방법의 비례교정방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427872A (en) * 1966-10-05 1969-02-18 Southwest Res Inst Method and system for investigating the stress condition of magnetic materials
JPS5240238B2 (ko) * 1971-10-13 1977-10-11
JPS59112257A (ja) * 1982-12-20 1984-06-28 Hata Giken:Kk 強磁性材料の非破壊検査方法及び装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102096309B1 (ko) * 2020-01-20 2020-04-03 (주)스마트 제어계측 바크하우젠 측정방법의 비례교정방법

Also Published As

Publication number Publication date
JPS60231189A (ja) 1985-11-16
KR860000965B1 (ko) 1986-07-23
JPH0446380B2 (ko) 1992-07-29

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