KR970065751A - Process heat treatment with copper (Cu) - chromium (Cr) - zirconium (Zr) - magnesium (Mg) - mischmetal alloy - Google Patents

Process heat treatment with copper (Cu) - chromium (Cr) - zirconium (Zr) - magnesium (Mg) - mischmetal alloy Download PDF

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KR970065751A
KR970065751A KR1019960008111A KR19960008111A KR970065751A KR 970065751 A KR970065751 A KR 970065751A KR 1019960008111 A KR1019960008111 A KR 1019960008111A KR 19960008111 A KR19960008111 A KR 19960008111A KR 970065751 A KR970065751 A KR 970065751A
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copper
subjected
heat treatment
rolling
weight percentage
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KR1019960008111A
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Korean (ko)
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KR0182223B1 (en
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김창주
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서상기
한국기계연구원
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/10—Spot welding; Stitch welding
    • B23K11/11—Spot welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/30—Features relating to electrodes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Conductive Materials (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

본 발명은 전기 접점재나 강판의 저항용접 및 점(스포트)용접용 전극재인 동(Cu)-크롬(Cr)-지르코늄(Zr)-마그네슘(Mg)-미쉬메탈(mischmetal) 합금의 제조와 그 특성을 발휘할 수 있는 가공열처리에 관한 것으로, 동(Cu)를 주성분으로 하고, 여기에 크롬(Cr)은 0.20~1.45%(중량백분률) 함유하고, 여기에 지르코늄(Zr)은 0.25~2.00%(중량백분률) 함유하고, 여기에 마그네슘(Mg)을 0.20~0.50%(중량백분률) 함유하고, 여기에 가공열처리시 세리움동 CuxCe, 란탄동 CuxLa, 니오디미움동 CuxNd, 및 프라새오디미움동 CuxPr 등과 같은 석출물을 생성시킬 수 있는 성분으로 세리움(Ce), 란탄(La), 니오디미움(Nd), 프라세오미디움(Pr) 등의 화합물인 미쉬메탈(mischmetal)을 0.02%~0.50%(중량백분률) 범위로 첨가한 것을 특징으로 하는 합금재료로서, 경도와 도전률을 각각 HRB 60~90, IACS 70~95% 범위로 유지시킬 수 있는 가공열처리에 관한 것이다.The present invention relates to the manufacture and properties of copper (Cu) - chromium (Cr) - zirconium (Zr) - magnesium (Mg) - mischmetal alloys, which are electrode materials for resistance welding and spot welding of electrical contact materials and steel plates. (Cu) as a main component and chromium (Cr) in an amount of 0.20 to 1.45% (weight percentage), wherein the zirconium (Zr) is contained in an amount of 0.25 to 2.00% weight percentage), containing, and where the magnesium (Mg) 0.20 ~ 0.50% (weight percentage), containing, where during the thermal treatment process three Solarium copper Cu x Ce, lanthanum copper Cu x La, and Lot audio hatred copper to Cu x Nd, and plastic new audio hatred copper compounds such as Cu x Pr as a component that can generate such precipitates as three Solarium (Ce), lanthanum (La), you audio hate (Nd), PRA Seo Medium (Pr) miswi And a metal (mischmetal) is added in a range of 0.02% to 0.50% (weight percentage), wherein the hardness and the conductivity are maintained in the range of HRB 60 to 90 and IACS 70 to 95% It relates to a heat treatment process that can kill.

이렇게하여 제조된 재료는 고온에서 경도와 도전률이 우수하여, 전기접점이나 강판의 저항용접 및 스포트용접용 전극 등으로 사용되는 경우에 우수한 성능을 발휘하며, 그 제조방법은 다음과 같다.The material thus produced has excellent hardness and conductivity at high temperature and exhibits excellent performance when it is used for resistance welding of electric contacts and steel sheets and electrodes for spot welding.

즉, 상기의 동(Cu) 합금을 용해 후 주괴를 제조하고, 상기를 주조조직을 제거할 수 있는 7S(약 85%) 이상의 가공비로써 800~950℃에서 단조, 압연, 압출 등을 행하고, 상기를 800~1,050℃에서 두께 1인치 당 30분이상 유지한 후에 수냉, 유냉 등으로 급냉하여 용체화처리를 행하고, 상기를 상온에서 70% 이상의 가공비로써 압연, 단조, 인발 등의 냉간가공을 행하고, 상기를 350~550℃에서 1시간 이상 유지 후 수냉, 유냉, 공냉 등으로 시효경화 열처리를 행하고, 상기의 과정을 마친 소재는 그 상태대로 사용하거나 전극 등의 부품을 제조하는 방법으로, 위의 공정 중에서 소재나 제품의 목표 특성에 따라, 냉간가공과 시효경화 열처리의 공정 순서를 바꿀 수도 있으며, 경우에 따라서는 냉간가공의 공정을 생략할 수도 있는 방법.That is, an ingot after dissolving the above-mentioned copper (Cu) alloy is produced and subjected to forging, rolling and extrusion at a temperature of 800 to 950 占 폚 with a machining ratio of 7S (about 85%) or more capable of removing the casting structure, Is cooled at 800 to 1,050 占 폚 per 1 inch thick for at least 30 minutes and then subjected to solution treatment by quenching by water cooling or oil cooling and subjected to cold working such as rolling, forging, and drawing at a processing ratio of 70% The above materials are held at 350 to 550 ° C. for 1 hour or more, and subjected to age-hardening heat treatment by water cooling, oil cooling, air cooling, etc., and the finished material is used in this state or parts such as electrodes are produced. The process order of the cold working and the aging hardening heat treatment may be changed according to the target characteristics of the material or the product in the case where the cold working process is omitted.

Description

동(Cu)-크롬(Cr)-지르코늄(Zr)-마그네슘(Mg)-미쉬메탈(mischmetal) 합금과 가공열처리Process heat treatment with copper (Cu) - chromium (Cr) - zirconium (Zr) - magnesium (Mg) - mischmetal alloy

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

Claims (4)

크롬(Cr)을 0.20~1.45%(중량백분률) 함유하고, 상기에 지르코늄(Zr)을 0.25~2.00%(중량백분률) 함유하고, 상기에 마그네슘(Mg)을 0.02~0.50%(중량백분률) 함유하고, 상기에 미쉬메탈(mischmetal)을 0.02%~0.50%(중량백분률) 첨가하고, 동(Cu)을 나머지로하는 전기 접점재나 강판의 저항용접 및 스포트용접 전극재용 동(Cu)합금.(Cr) in an amount of 0.20 to 1.45% (weight percentage), 0.25 to 2.00% (weight percentage) of zirconium (Zr), 0.02 to 0.50% (Cu content) of 0.02% to 0.50% (miscmetallics) and the copper (Cu) as the remainder, and resistance welding and spot welding of the steel sheet to copper (Cu) alloy. 청구 1항의 동(Cu)합금을 용해 후 주괴를 제조하고, 상기를 주조조직을 제거할 수 있는 7S(약 85%) 이상의 가공비로써 800~950℃에서 단조, 압연, 압출 등을 행하고, 상기를 800~1,050℃에서 두께 1인치 당 30분이상 유지한 후에 수냉, 유냉 등으로 급냉하여 용체화처리를 행하고, 상기를 상온에서 70% 이상의 가공비로써 압연, 단조, 인발 등의 냉간가공을 행하고, 상기를 350~550℃에서 1시간 이상 유지 후 수냉, 유냉, 공냉 등으로 시효경화 열처리를 행하고, 상기의 과정을 마친 소재는 그 상태대로 사용하거나 전극 등의 부품을 제조하는 방법.Rolling, extruding, etc. at 800 to 950 占 폚 with a machining ratio of 7S (about 85%) or more capable of removing the casting structure, after the copper alloy of claim 1 has been dissolved, And then subjected to a solution treatment at 800 to 1,050 ° C for 30 minutes or more per one inch of thickness, followed by quenching by water cooling or oil cooling, and then subjected to cold working such as rolling, forging and drawing at a processing ratio of 70% Is maintained at 350 to 550 ° C for at least 1 hour, and subjected to an age hardening heat treatment by water cooling, oil cooling, air cooling, etc., and the finished material is used in this state or a part such as an electrode is manufactured. 청구 1항의 동(Cu)합금을 용해 후 주괴를 제조하고, 상기를 주조조직을 제거할 수 있는 7S(약 85%) 이상의 가공비로써 800~950℃에서 단조, 압연, 압출 등을 행하고, 상기를 800~1,050℃에서 두께 1인치 당 30분이상 유지한 후에 수냉, 유냉 등으로 급냉하여 용체화처리를 행하고, 상기를 350~550℃에서 1시간 이상 유지 후 수냉, 유냉, 공냉 등으로 시효경화 열처리를 행하고 상기를 상온에서 70% 이상의 가공비로써 압연, 단조, 인발 등의 냉간가공을 행하고, 상기의 과정을 마친 소재는 그 상태대로 사용하거나 전극 등의 부품을 제조하는 방법.Rolling, extruding, etc. at 800 to 950 占 폚 with a machining ratio of 7S (about 85%) or more capable of removing the casting structure, after the copper alloy of claim 1 has been dissolved, After maintaining at a temperature of 800 to 1,050 DEG C for 30 minutes or more per 1 inch, quenching by quenching by water cooling or oil cooling is carried out, and the temperature is maintained at 350 to 550 DEG C for 1 hour or more, followed by aging hardening heat treatment And cold working such as rolling, forging and drawing at a room temperature and a processing ratio of 70% or more is performed, and the finished material is used in this state or a part such as an electrode is manufactured. 청구 1항의 동(Cu)합금을 용해 후 주괴를 제조하고, 상기를 주조조직을 제거할 수 있는 7S(약 85%) 이상의 가공비로써 800~950℃에서 단조, 압연, 압출 등을 행하고, 상기를 800~1,050℃에서 두께 1인치 당 30분이상 유지한 후에 수냉, 유냉 등으로 급냉하여 용체화처리를 행하고, 상기를 350~550℃에서 1시간 이상 유지 후 수냉, 유냉, 공냉 등으로 시효경화 열처리를 행하고 상기의 과정을 마친 소재는 그 상태대로 사용하거나 전극 등의 부품을 제조하는 방법.Rolling, extruding, etc. at 800 to 950 占 폚 with a machining ratio of 7S (about 85%) or more capable of removing the casting structure, after the copper alloy of claim 1 has been dissolved, After maintaining at a temperature of 800 to 1,050 DEG C for 30 minutes or more per 1 inch, quenching by quenching by water cooling or oil cooling is carried out, and the temperature is maintained at 350 to 550 DEG C for 1 hour or more, followed by aging hardening heat treatment And the material having been subjected to the above-described process is used as it is, or a part such as an electrode is produced. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960008111A 1996-03-21 1996-03-21 Cu-cr-zr-mg-mischmetal alloy and the heat treatment thereof KR0182223B1 (en)

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KR20030011037A (en) * 2002-12-12 2003-02-06 곽일규 A Process for preparing mixed composition radiating far infrared red
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