KR960037192A - How to weld high thermal conductivity precipitation hardening CuCrZr copper alloy multi-pass mig - Google Patents

How to weld high thermal conductivity precipitation hardening CuCrZr copper alloy multi-pass mig Download PDF

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Publication number
KR960037192A
KR960037192A KR1019950010054A KR19950010054A KR960037192A KR 960037192 A KR960037192 A KR 960037192A KR 1019950010054 A KR1019950010054 A KR 1019950010054A KR 19950010054 A KR19950010054 A KR 19950010054A KR 960037192 A KR960037192 A KR 960037192A
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KR
South Korea
Prior art keywords
thermal conductivity
copper alloy
high thermal
precipitation hardening
pass
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KR1019950010054A
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Korean (ko)
Inventor
서광선
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유상부
삼성중공업 주식회사
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Priority to KR1019950010054A priority Critical patent/KR960037192A/en
Publication of KR960037192A publication Critical patent/KR960037192A/en

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Abstract

본 발명은 고열전도성 석출경화형 CuCrZr 구리합금을 멀티-패스 미그 용접하는 방법에 관한 것으로, 본 발명에 의하며, 고열전도성 석출경화형 CuCrZr 구리합금 모재의 멀티-패스 미그 용접에서 용접전류는 290~320A, 전압은 30~32V, 예열온도는 400~430℃, 분위기 가스는 Ar와 He의 혼합가스를 사용함으로서 고강도와 양호한 도전성 및 열전도성을 가지며 블로홀등의 용접결함이 거의 발생하지 않음은 물론 고온사용시에도 중간 온도취성의 발생이 거의 없는 용접부를 형성할 수 있다.The present invention relates to a method for multi-pass MIG welding of high thermal conductivity precipitation hardening CuCrZr copper alloy, and according to the present invention, the welding current in the high thermal conductivity precipitation hardening CuCrZr copper alloy base material is 290 ~ 320A, voltage Silver 30 ~ 32V, Preheating temperature is 400 ~ 430 ℃, Atmospheric gas is mixed gas of Ar and He, high strength and good conductivity and thermal conductivity. It is possible to form a welded part with little occurrence of temperature brittleness.

Description

고열전도성 석출경화형 CuCrZr 구리합금을 멀티-패스미그(Multi-Pass MIG) 용접하는 방법Multi-pass MIG welding of high thermal conductivity precipitation hardening CuCrZr copper alloy

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

Claims (3)

고열전도성 석출경화형 CuCrZr 구리합금(Cu:rem, Cr:0.5/1.0, zr:0.05/0.15중량%)을 멀티-패스미그 용접하는 방법.Multi-pass MIG welding of high thermal conductivity precipitation hardening CuCrZr copper alloy (Cu: rem, Cr: 0.5 / 1.0, zr: 0.05 / 0.15% by weight). 제1항에 있어서, 실딩용 분위기 가스로서 Ar와 He의 혼합가스를 7:3, 5:5 또는 3:7의 혼합비율로 적용하는 것을 특징으로 하는 멀티-패스 미그 용접하는 방법.The method of claim 1, wherein a mixed gas of Ar and He is used as a shielding atmosphere gas at a mixing ratio of 7: 3, 5: 5, or 3: 7. 제1항에 있어서, 용접전류는 290~320A, 전압은 30~32V, 예열온도는 400~430℃로 적용하는 것을 특징으로 하는 멀티-패스 미그 용접하는 방법.The method of claim 1, wherein the welding current is 290 to 320 A, the voltage is 30 to 32 V, and the preheating temperature is 400 to 430 ° C. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950010054A 1995-04-27 1995-04-27 How to weld high thermal conductivity precipitation hardening CuCrZr copper alloy multi-pass mig KR960037192A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950010054A KR960037192A (en) 1995-04-27 1995-04-27 How to weld high thermal conductivity precipitation hardening CuCrZr copper alloy multi-pass mig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950010054A KR960037192A (en) 1995-04-27 1995-04-27 How to weld high thermal conductivity precipitation hardening CuCrZr copper alloy multi-pass mig

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KR960037192A true KR960037192A (en) 1996-11-19

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KR1019950010054A KR960037192A (en) 1995-04-27 1995-04-27 How to weld high thermal conductivity precipitation hardening CuCrZr copper alloy multi-pass mig

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156677A (en) * 1979-05-24 1980-12-05 Mitsubishi Electric Corp Consumable electrode system gas shielded arc welding method
JPH01293981A (en) * 1988-05-23 1989-11-27 Fujiki Kosan Kk Welding method for precipitation hardening type copper base alloy
JPH0716749A (en) * 1993-07-06 1995-01-20 Sankyu Inc Method for multi-pass automatic welding of thick plate

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156677A (en) * 1979-05-24 1980-12-05 Mitsubishi Electric Corp Consumable electrode system gas shielded arc welding method
JPH01293981A (en) * 1988-05-23 1989-11-27 Fujiki Kosan Kk Welding method for precipitation hardening type copper base alloy
JPH0716749A (en) * 1993-07-06 1995-01-20 Sankyu Inc Method for multi-pass automatic welding of thick plate

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