KR920002803A - Heat treatment method of aluminum-lithium alloy - Google Patents

Heat treatment method of aluminum-lithium alloy Download PDF

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Publication number
KR920002803A
KR920002803A KR1019900011491A KR900011491A KR920002803A KR 920002803 A KR920002803 A KR 920002803A KR 1019900011491 A KR1019900011491 A KR 1019900011491A KR 900011491 A KR900011491 A KR 900011491A KR 920002803 A KR920002803 A KR 920002803A
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KR
South Korea
Prior art keywords
aluminum
lithium alloy
heat treatment
treatment method
treatment
Prior art date
Application number
KR1019900011491A
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Korean (ko)
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KR920007926B1 (en
Inventor
신명철
정영훈
손근용
Original Assignee
박원희
한국과학기술연구원
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Application filed by 박원희, 한국과학기술연구원 filed Critical 박원희
Priority to KR1019900011491A priority Critical patent/KR920007926B1/en
Priority to JP3022077A priority patent/JPH0647710B2/en
Publication of KR920002803A publication Critical patent/KR920002803A/en
Application granted granted Critical
Publication of KR920007926B1 publication Critical patent/KR920007926B1/en

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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Metal Rolling (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

내용 없음No content

Description

알루미늄-리튬합금의 열처리 방법Heat treatment method of aluminum-lithium alloy

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 Al-Li합금중의δ,δ'상의 솔버스라인(solvus line0을 나타낸 상태도1 is a state diagram showing a solvus line 0 on δ, δ ' in an Al-Li alloy.

제2도는 본 발명의 열처리방법을 개략적으로 보인 흐름도.2 is a flow chart schematically showing the heat treatment method of the present invention.

제3도는 본 발명의 열처리방법에 대한 일실시예의 열처리 과정을 보인 설명도.3 is an explanatory view showing a heat treatment process of an embodiment of the heat treatment method of the present invention.

Claims (2)

Al-1.9~2.6Li-2.4~3.0Cu-0.08~0.15Zr조성의 알루미늄-리튬합금을 용체화처리후 상온시효를 행한 다음 5%의 냉간압연 또는 스트레칭과 120℃에서의 1단계저온시효를 하고, δ'상의 재고용을 위한 리버팅처리한 다음 2단계 시효처리를 수행하여 알루미늄-리튬합금의 연신율을 향상시킴을 특징으로 하는 알루미늄-리튬합금의 열처리방법.After aluminum-lithium alloy of Al-1.9 ~ 2.6Li-2.4 ~ 3.0Cu-0.08 ~ 0.15Zr solution is subjected to room temperature aging after solution treatment, cold rolling or stretching of 5% and one step low temperature aging at 120 ℃ The method of heat-treating an aluminum-lithium alloy, characterized in that to enhance the elongation of the aluminum-lithium alloy by performing a reversing treatment for re-use for the δ 'phase. 제1항에 있어서, 리버팅처리는 230℃~300℃에서 1분간 행해지며, 2단계시효처리는 200℃~250℃에서 20분간 진행되어 δ'상을 재석출시키는 것을 특징으로 하는 알루미늄-리튬합금의 열처리방법.2. The aluminum-lithium according to claim 1, wherein the reversing treatment is performed at 230 ° C to 300 ° C for 1 minute, and the two-stage aging treatment is performed at 200 ° C to 250 ° C for 20 minutes to reprecipitate the δ 'phase. Heat treatment method of alloy. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900011491A 1990-07-27 1990-07-27 Process for heat treatment of al-li alloy KR920007926B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019900011491A KR920007926B1 (en) 1990-07-27 1990-07-27 Process for heat treatment of al-li alloy
JP3022077A JPH0647710B2 (en) 1990-07-27 1991-02-15 Heat treatment method for aluminum-lithium alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900011491A KR920007926B1 (en) 1990-07-27 1990-07-27 Process for heat treatment of al-li alloy

Publications (2)

Publication Number Publication Date
KR920002803A true KR920002803A (en) 1992-02-28
KR920007926B1 KR920007926B1 (en) 1992-09-19

Family

ID=19301730

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900011491A KR920007926B1 (en) 1990-07-27 1990-07-27 Process for heat treatment of al-li alloy

Country Status (2)

Country Link
JP (1) JPH0647710B2 (en)
KR (1) KR920007926B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030090047A (en) * 2002-05-21 2003-11-28 현대자동차주식회사 Heat treatment method for reduction of surface roughness of aluminum alloy sheet
CA2810245A1 (en) 2010-09-08 2012-03-15 Alcoa Inc. Improved 7xxx aluminum alloys, and methods for producing the same
CN105441654A (en) * 2015-11-20 2016-03-30 沈阳黎明航空发动机(集团)有限责任公司 Precise cold-rolling manufacturing method for GH2787 alloy blade
CN105369170A (en) * 2015-12-18 2016-03-02 西南铝业（集团）有限责任公司 Aluminum lithium alloy profile black and white spot controlling method
CN109385588B (en) * 2018-12-05 2020-04-14 湖南恒佳新材料科技有限公司 Preparation method of high-toughness 2050 aluminum alloy medium plate

Also Published As

Publication number Publication date
JPH0647710B2 (en) 1994-06-22
KR920007926B1 (en) 1992-09-19
JPH055165A (en) 1993-01-14

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