KR870002287A - Annealing method of thermal insulation core - Google Patents

Annealing method of thermal insulation core Download PDF

Info

Publication number
KR870002287A
KR870002287A KR1019860006583A KR860006583A KR870002287A KR 870002287 A KR870002287 A KR 870002287A KR 1019860006583 A KR1019860006583 A KR 1019860006583A KR 860006583 A KR860006583 A KR 860006583A KR 870002287 A KR870002287 A KR 870002287A
Authority
KR
South Korea
Prior art keywords
core
temperature
annealing
thermal insulation
thermal
Prior art date
Application number
KR1019860006583A
Other languages
Korean (ko)
Other versions
KR910009495B1 (en
Inventor
무니르 압둘-마지드 아크람
엠. 나타신흐 데이비슨
Original Assignee
로이 에이취. 멧신길
알라이드 코오포레이션
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.)
Filing date
Publication date
Application filed by 로이 에이취. 멧신길, 알라이드 코오포레이션 filed Critical 로이 에이취. 멧신길
Publication of KR870002287A publication Critical patent/KR870002287A/en
Application granted granted Critical
Publication of KR910009495B1 publication Critical patent/KR910009495B1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Soft Magnetic Materials (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

내용 없음No content

Description

열 절연코어의 소둔방법Annealing method of thermal insulation core

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도 통상의 소둔방법에 따라 소둔되는 자기코어의 시간-온도관계를 나타낸 그래프.1 is a graph showing the time-temperature relationship of magnetic cores annealed according to a conventional annealing method.

제2도 본발명의 소둔방법에 따라 소둔되는 자기코어의 시간-온도관계를 나타낸 그래프.2 is a graph showing the time-temperature relationship of the magnetic core annealed according to the annealing method of the present invention.

Claims (10)

비정질 금속리본으로 외부표면, 내부표면 및 상, 하부 표면을 형성하도록 감긴자기코어를 가열하여 제 1온도에서 소정시간 동안 유지한 다음 제2온도로 냉각시키는 소둔방법에 있어서, 상기 가열단계에 앞서서 상기 코어의 내부 및 외부 표면을 절연하는 단계를 포함하는 것을 특징으로 하는 열 절연코어의 소둔방법.An annealing method of heating a magnetic core wound to form an outer surface, an inner surface, and an upper surface and a lower surface with an amorphous metal ribbon, maintaining the same at a first temperature for a predetermined time, and then cooling the temperature to a second temperature. Annealing the thermal insulation core comprising the step of insulating the inner and outer surfaces of the core. 제1항에 있어서, 상기 절연단계가 상기 내부 및 외부표면의 전표면을 근본적으로 덮도록 열절연체를 부착시키는 것으로 구성된 열 절연코어의 소둔방법.The method of claim 1, wherein the insulating step comprises attaching a thermal insulator such that the insulating step essentially covers the entire surfaces of the inner and outer surfaces. 제2항에 있어서, 다음과 같은 절연단계, 즉The method of claim 2, wherein a) 열전도도가 약 -0.03-0.14W/m℃이고, 선수축율이 약 1-3%(500℃까지)인 열절연체를 형성하는 단계a) forming a thermal insulator having a thermal conductivity of about −0.03-0.14 W / m ° C. and having an bowing rate of about 1-3% (up to 500 ° C.) b) 상기 열절연체를상기 내부 및 외부표면에 적용하는 단계.b) applying the thermal insulator to the inner and outer surfaces. c) 열절연체의 두께크기9thickness dimension)가 코어의 외부표면으로부터 방사상으로 바깥쪽으로 그리고 코어의 내부표면으로부터 방부상으로 안쪽으로 확장하고 약 25-75mm가 되도록 열절연체를 부착시키는 단계로 구성된 열절연코어의 소둔방법.c) thermal insulation core consisting of attaching the thermal insulator such that the thickness dimension of the thermal insulator extends radially outwardly from the outer surface of the core and inwardly from the inner surface of the core and is about 25-75 mm. Annealing method. 제3항에 있어서, 상기 열절연체를 적용하는 상기 단계가 페인팅(painting), 주조(casting), 침지(dipping) 및 래핑(wrapping)으로 구성된 그룹으로부터 선택하는 열절연코어의 소둔방법.4. The method of claim 3, wherein said step of applying said thermal insulator is selected from the group consisting of painting, casting, dipping, and wrapping. 전자기장치내에 사용하기 위하여, 1.40 Tesla의 자속밀도 및 60Hz의 주파수하에서, 약 0.16-0.25W/kg의 AC자기손실, 약 0.25-0.45VA/kg의 여기전력(exciting power)및 약 1.1-1.6A/m의 보자력을 갖는 제1항의 방법에 의해서 소둔되는, 자기코어(magnetic core)For use in electromagnetic devices, under a magnetic flux density of 1.40 Tesla and a frequency of 60 Hz, an AC magnetic loss of about 0.16-0.25 W / kg, an excitation power of about 0.25-0.45 VA / kg, and about 1.1-1.6 A magnetic core annealed by the method of claim 1 having a coercive force of / m 제3항에 있어서, 상기 절연체의 상기적용단계가 래핑(Wrapping)으로 구성된 열절연코어의 소둔방법.4. The method of annealing the thermal insulation core according to claim 3, wherein the applying step of the insulator is made of wrapping. 제1항에 있어서, 상기 코어가 상기 제1온도보다 약 100-160℃ 높은 피이크 로온도(peak oven temperature)를 갖는 로내에서 가열되고, 상기 코어온도가 상기 제1온도의 약 15-45℃범위내에서 있거나 접근할 경우 상기 피이크온도가 상기 제1온도로 낮아지게 되는 열절연코어의 소둔방법.The method of claim 1 wherein the core is heated in a furnace having a peak oven temperature about 100-160 ° C. above the first temperature, wherein the core temperature ranges from about 15-45 ° C. of the first temperature. Annealing the thermal insulation core such that the peak temperature is lowered to the first temperature when within or near. 제1항에 있어서, 상기 가열단계가 자기장이 없는 상태에서 수행되는 열절연코어의 소둔방법.The method of claim 1, wherein the heating step is performed in the absence of a magnetic field. 제1항에 있어서, 상기 리본이 Co66Fe4Ni1B14Si15및 Fe76.85Cr2B16.1Si4.8C0.25로 구성된 그룹으로부터 선택된 부재(member)로 근본적으로 이루어진 조성을 갖는 열절연코어의 소둔방법. 2. The annealing of the thermal insulation core according to claim 1, wherein the ribbon is composed essentially of a member selected from the group consisting of Co 66 Fe 4 Ni 1 B 14 Si 15 and Fe 76.85 Cr 2 B 16.1 Si 4.8 C 0.25 . Way. 제1항에 있어서, 상기 내부표면이 상기 코어의 중심(centroid)과 근본적으로 동일한 축상으로 확장하는 중앙개구를 한정하고, 그리고 상기상부 및 하부표면이 각각 상기 외부 및 내부표면으로 형성된 장방형 표면에 근본적으로 수직한면에 위치하는 열절연코어의 소둔방법.2. The system of claim 1, wherein the inner surface defines a central opening that extends coaxially with an essentially central axis of the core, and wherein the upper and lower surfaces are essentially formed on a rectangular surface formed with the outer and inner surfaces, respectively. Annealing method of thermal insulation core located on the vertical surface with ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860006583A 1985-08-12 1986-08-11 Annealing of thermally ensulated core KR910009495B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US76408285A 1985-08-12 1985-08-12
US764,082 1985-08-12

Publications (2)

Publication Number Publication Date
KR870002287A true KR870002287A (en) 1987-03-30
KR910009495B1 KR910009495B1 (en) 1991-11-19

Family

ID=25069631

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860006583A KR910009495B1 (en) 1985-08-12 1986-08-11 Annealing of thermally ensulated core

Country Status (3)

Country Link
JP (1) JPS6239007A (en)
KR (1) KR910009495B1 (en)
CA (1) CA1271395A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6910724B2 (en) 2001-09-27 2005-06-28 Newfrey Llc Footrest plate
US7062990B2 (en) 2001-09-28 2006-06-20 Newfrey Llc Footrest plate and footrest plate mounting assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3165416D1 (en) * 1980-12-29 1984-09-13 Allied Corp Amorphous metal alloys having enhanced ac magnetic properties
JPS6140016A (en) * 1984-07-31 1986-02-26 Toshiba Corp Manufacture of core

Also Published As

Publication number Publication date
JPS6239007A (en) 1987-02-20
CA1271395A (en) 1990-07-10
KR910009495B1 (en) 1991-11-19

Similar Documents

Publication Publication Date Title
US4355221A (en) Method of field annealing an amorphous metal core by means of induction heating
US5256211A (en) Rapid annealing method using shorted secondary technique
ATE195768T1 (en) AMORPHOUS ALLOYS IRON-BORON-SILICON-CARBON WITH SOFT MAGNETIC PROPERTIES, SUITABLE FOR USE AT LOW FREQUENCY
KR870002287A (en) Annealing method of thermal insulation core
US7138188B2 (en) Magnetic implement using magnetic metal ribbon coated with insulator
US4877464A (en) Rapid magnetic annealing of amorphous metal in molten tin
US4668309A (en) Rapid magnetic annealing of amorphous metal in molten tin
US1897040A (en) Inductive device
JPH0684655A (en) High frequency wound core and high frequency induction electric appliance employing wound core
SE7902447L (en) MANUFACTURE OF TAPE CORE
JPH0552652B2 (en)
JPS61179507A (en) Manufacture of iron core
JPS61198611A (en) Manufacture of transformer with amorphous alloy thin band core
Johnson et al. Reducing core losses in amorphous Fe/sub 80/B/sub 12/Si/sub 8/ribbons by laser-induced domain refinement
RU2149473C1 (en) Magnetic core
JPS5987807A (en) Manufacture of continuous wound core
JPH0151540B2 (en)
JPS55105309A (en) High tension transformer
Ueno et al. The latest advance in very low core loss grain oriented silicon steels
JPS6489414A (en) Method for improving magnetic characteristics of wound core
KR930700960A (en) Magnetic core using metallic glass ribbon and mica interlayer insulation
JPS6184007A (en) Iron core of electromagnetic induction apparatus
JPS61160915A (en) Iron core for electromagnetic induction apparatus
JPS636822A (en) Manufacture of mound core
Hilzinger et al. Amorphous Cobalt-Based Alloy With Low Losses at High Frequencies

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee