WO2015021244A1 - Tôle à ailettes en alliage d'aluminium à haute résistance pour échangeur de chaleur - Google Patents

Tôle à ailettes en alliage d'aluminium à haute résistance pour échangeur de chaleur Download PDF

Info

Publication number
WO2015021244A1
WO2015021244A1 PCT/US2014/050086 US2014050086W WO2015021244A1 WO 2015021244 A1 WO2015021244 A1 WO 2015021244A1 US 2014050086 W US2014050086 W US 2014050086W WO 2015021244 A1 WO2015021244 A1 WO 2015021244A1
Authority
WO
WIPO (PCT)
Prior art keywords
aluminum alloy
fin stock
stock material
alloy fin
ingot
Prior art date
Application number
PCT/US2014/050086
Other languages
English (en)
Inventor
Andrew D. Howells
Kevin Michael Gatenby
Hany Ahmed
Jyothi Kadali
Derek William ALUIA
John Michael BACIAK III
Original Assignee
Novelis Inc.
Denso Corporation
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 Novelis Inc., Denso Corporation filed Critical Novelis Inc.
Priority to MX2016001558A priority Critical patent/MX2016001558A/es
Priority to ES14752757T priority patent/ES2779052T3/es
Priority to KR1020167006162A priority patent/KR101988704B1/ko
Priority to CN201480044760.0A priority patent/CN105593391A/zh
Priority to CA2919662A priority patent/CA2919662C/fr
Priority to BR112016002328A priority patent/BR112016002328A2/pt
Priority to JP2016533429A priority patent/JP6673826B2/ja
Priority to EP14752757.6A priority patent/EP3030685B1/fr
Publication of WO2015021244A1 publication Critical patent/WO2015021244A1/fr

Links

Classifications

    • 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
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/053—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with zinc as the next major constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D7/00—Casting ingots, e.g. from ferrous metals
    • B22D7/005—Casting ingots, e.g. from ferrous metals from non-ferrous metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • C22C1/026—Alloys based on aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/10—Alloys based on aluminium with zinc as the next major constituent
    • 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
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2215/00—Fins

Definitions

  • the present invention relates to the fields of material science, material chemistry, metallurgy, aluminum alloys, aluminum fabrication, and related fields.
  • the present invention provides novel aluminum alloys for use in the production of heat exchanger fins, which are, in turn, employed in various heat exchanger devices, for example, motor vehicle radiators, condensers, evaporators and related devices.
  • the present invention provides an aluminum alloy fin stock material for use in heat exchanger applications, such as automotive heat exchangers.
  • This aluminum alloy fin stock alloy material was made by direct chill (DC) casting.
  • the aluminum alloy fin stock material according to the embodiments of the present invention has one or more of the following properties: high strength, desirable post-braze mechanical properties, desirable sag resistance, desirable corrosion resistance and desirable conductivity.
  • the aluminum alloy fin stock material according to some embodiments of the present invention displays larger grain dispersoids and improved strength before brazing. Some embodiments of the aluminum alloy fin stock material are produced in a desirable pre-braze temper, for example, HI 4.
  • the improved aluminum alloy fin stock material can be used in various applications, for example, heat exchangers.
  • the aluminum alloy fin stock material can be used in automotive heat exchangers, such as radiators, condensers and evaporators.
  • the aluminum alloy fin stock material is useful for high performance, light weight automotive heat exchangers.
  • aluminum alloy fin stock material can be used for other brazed applications, including, but not limited to, HVAC applications.
  • the present invention provides an aluminum alloy fin stock material.
  • This aluminum alloy fin stock alloy material was made by direct chill (DC) casting.
  • Some embodiments of the aluminum alloy fin stock material have one or more of improved strength, improved corrosion resistance or improved sag resistance.
  • the aluminum alloy fin stock material exhibits desirable pre-braze (HI 4) temper mechanical properties and desirable post-braze mechanical properties, sag resistance, corrosion resistance and conductivity.
  • the aluminum alloy fin stock material displays larger grain size after brazing and improved strength pre-brazing.
  • the aluminum alloy fin stock material can be used in various applications, for example, heat exchangers.
  • the aluminum alloy fin stock material can be used in automotive heat exchangers, such as radiators, condensers and evaporators.
  • compositions of an aluminum alloy fin stock material fall within the scope of the present invention. Some exemplary embodiments of the aluminum alloy fin stock material compositions are described below. All % values used below and throughout this document in reference to the amounts of constituents of the aluminum alloy fin stock material compositions are in weight % (wt%).
  • the aluminum alloy fin stock material comprises about 0.8- 1.4% Si, 0.4-0.8% Fe, 0.05-0.4% Cu, 1.2-1.7% Mn and 1.2-2.3% Zn, remainder aluminum.
  • aluminum alloy fin stock material comprises about 0.9- 1.3% Si, 0.45-0.75% Fe, 0.10-0.30% Cu, 1.3-1.7% Mn and 1.30-2.2% Zn, remainder aluminum.
  • the aluminum alloy fin stock material comprises about 0.9-1.2% Si, 0.50-0.75% Fe, 0.15-0.30% Cu, 1.4-1.6% Mn and 1.4-2.1% Zn, remainder aluminum.
  • the DC fin stock material comprises 0.9-1.1% Si, 0.10-0.25%
  • the aluminum alloy fin stock material comprises 0.90-
  • the aluminum alloy fin stock material comprises 0.9-
  • the aluminum alloy fin stock material comprises 0.9-
  • the aluminum alloy fin stock material comprises 0.90-
  • the aluminum alloy fin stock material comprises
  • the aluminum alloy fin stock material comprises 0.90-
  • the aluminum alloy fin stock material comprises 1.0-
  • the aluminum alloy fin stock material comprises
  • the aluminum alloy fin stock material comprises 1.15% ⁇ 0.05 Si, 0.25% ⁇ 0.05 Cu, 0.6% ⁇ 0.1 Fe, 1.5% ⁇ 0.05 Mn, and 2.0% ⁇ 0.1 Zn, remainder Al.
  • Cr and/or Zr or other grain size controlling elements may be present in the aluminum alloy fin stock material compositions in an amount of up to 0.2% each, up to 0.15% each, up to 0.1%, each, up to 0.05 % each, or up to 0.03% each. It is to be understood that the aluminum alloy fin stock material compositions described herein may contain other minor elements, sometimes referred to as unintentional elements, in an amount typically below 0.05%.
  • Some embodiments of the aluminum alloy fin stock materials of the present invention display a higher solidus temperature, referred to as onset of melting, leading to improved core shrinkage, a phenomenon in which brazed aluminum alloy units do not have the desired shape. While not wanting to be bound by the following statement, it is believed, based on differential scanning calorimetry (DSC) measurements and Thermo-Calc ® software (Stockholm, Sweden) simulations, that lowering the Si content and the Zn content and increasing the Mn content in aluminum alloy fin stock material compositions can lead to higher onset of melting temperature (solidus), which contributes to core shrinkage reduction.
  • DSC differential scanning calorimetry
  • Thermo-Calc ® software Stockholm, Sweden
  • an aluminum alloy fin stock material composition according to the embodiments of the present invention displays a solidus temperature above 617°C and a coarse post braze grain size of about 400 ⁇ .
  • limiting the Si content of the alloy to 0.9-1% (preferably to 0.9-0.95%) and the Zn content to 1.5-1.6%, while maintaining the Mn content relatively high (for example, around 1.5%) raises the solidus temperature of the alloy, which, in turn, strengthens the material at the brazing temperature, so that it can resist sag or high temperature creep that can result in core shrinkage.
  • Some embodiments of the present invention relate to aluminum alloy fin stock materials having a defined composition and obtained by processes that include defined process steps and conditions.
  • a combination of defined composition and production process can lead to improved properties of the aluminum alloy fin stock materials.
  • improved pre-braze mechanical properties are improved pre-braze mechanical properties.
  • Improved pre-braze mechanical properties also referred to as properties "in pre-braze condition" result in improved fin crush resistance during assembly, while maintaining suitable sag resistance and thermal conductivity after brazing (post-brazing).
  • the processes of producing aluminum alloy fin stock materials involve the step of producing an ingot by a direct chill (DC) casting process, which is commonly used throughout the aluminum industry, whereby a large ingot -1.5 m x 0.6 m x 4 m is cast from a large holding furnace which supplies metal to a shallow mold or molds supplied with cooling water.
  • the solidifying ingot is continuously cooled by the direct impingement of the cooling water and is withdrawn slowly from the base of the mold until the full ingot or ingots are completed.
  • the ingot rolling surfaces are machined to remove surface segregation and irregularities.
  • the machined ingot is preheated for hot rolling.
  • the preheating temperature and duration are controlled to low levels to preserve a large grain size and high strength after the finished fin stock is brazed.
  • Several ingots (about 8 to 30) are charged to a furnace and preheated with gas or electricity to the rolling temperature.
  • the period of maintaining a temperature achieved by pre-heating can also be referred to as "soak" or "soaking.
  • the minimum soak time at about 480°C is about 2 hours (in other words, at least 2 hours).
  • the soak time is 4-16 hours at 480°C.
  • Aluminum alloys are typically rolled in the range of about 450°C to about 560°C. If the temperature is too cold, the roll loads are too high, and if the temperature is too hot, the metal may be too soft and break up in the mill.
  • the processes for making some embodiments of the aluminum alloy fin stock materials may involve one or more cold rolling steps. Each of the cold rolling steps may, in turn, involve multiple cold rolling passes.
  • % CW can be defined as the degree of cold rolling applied to the aluminum alloy fin stock. As used in the present document, %CW is calculated as:
  • % CW may be desirable in order to attain the required strength range of the aluminum alloy fin stock material.
  • Some embodiments of the of the aluminum alloy fin stock materials are produced by processes that involve a cold rolling step achieving 25-35 %CW. In some examples, a cold rolling step achieving %CW of 25% or 29% may be employed.
  • increasing %CW for example, to 35% leads to an increase in pre-braze tensile strength of the aluminum alloy fin stock material, which, in turn, beneficially reduces the fin crush during radiator assembly.
  • increasing the %CW may be undesirable, as it may lead to finer post braze grain size due to an increase in the driving force for recrystallization, resulting in reduced sag resistance.
  • the processes for making some embodiments of the aluminum alloy fin stock materials may also involve an inter-annealing step to attain desired properties of the aluminum alloy fin stock material according to the embodiments of the present invention.
  • inter-annealing or "inter-anneal” (IA) refers to a heat treatment applied between cold rolling steps.
  • IA temperature may affect the properties of the aluminum alloy fin stock materials according to the embodiments of the present invention. For example, an investigation of the IA temperature used in the processes for making certain embodiments of the aluminum alloy fin stock materials showed that reducing the IA temperature from 400°C to 350°C resulted in coarser post-braze grain size.
  • a combination of %CW and IA temperature employed in the production process results in desirable properties.
  • a combination of IA temperature of 350°C and %CW of 35% led to beneficial combination of post-braze grain size and sag resistance the aluminum alloy fin stock material.
  • a combination of IA temperature of 300°C and %CW of 25% led to beneficial combination of post-braze grain size and sag resistance the aluminum alloy fin stock material.
  • a combination of IA temperature and %CW during processing of the aluminum alloy fin stock material in H14 temper resulted in improved fin crush resistance. Accordingly, the processes of producing aluminum alloy fin stock materials employing specified IA temperature and %CW, which lead, in some examples, to higher pre-braze tensile strength and improved fin crush resistance during assembly, are included within the embodiments of the present invention.
  • the ingot is hot rolled to form a coil which is then cold rolled.
  • the cold rolling process takes place in several steps, and a step of inter-annealing is employed between cold-rolling steps to recrystallize the material prior to the final cold rolling step.
  • IA temperature in the range of about 275-400°C, 300-400°C, 300-450°C, 340-460°C, or 325-375°C may be employed.
  • IA temperature of about 300°C, 350°C or 400°C may be employed in the processes of producing aluminum alloy fin stock materials according to embodiments of the present invention.
  • the aluminum alloy fin stock material is cold rolled in the final cold rolling step to obtain the desired final gauge or thickness.
  • the aluminum alloy fin stock material can be slit into narrow strips suitable for the manufacture of radiators and other automotive heat exchangers.
  • %CW employed in the final cold rolling step is 20-35% or 25-35%, for example, about 25% or 29%.
  • Various combinations of production parameters may be beneficially employed in the processes for processes of producing aluminum alloy fin stock materials according to embodiments of the present invention.
  • %CW in the range 25-35% is employed in the final rolling step, resulting in improved pre-braze yield strength and tensile strength of the aluminum alloy fin stock materials, which, in turn, leads to reduction in the fin crush occurrence during assembly.
  • selecting IA temperature of about 350°C results in larger post-braze grain size.
  • using %CW of about 29% during the final cold rolling step further increases post-braze grain size.
  • inter-annealing at 350°C for 4 hours is employed in combination with 29% CW in the final cold rolling step, which results in a material with desirable characteristics of good pre-braze strength and large post-braze grain size, high thermal conductivity and good sag behavior.
  • inter-annealing at 400°C for an average of about 3 hours is employed, followed by applying % cold work (CW) of about 29% to achieve final gauge.
  • soaking at about 480°C for an average of 4 hours is employed during the hot-rolling step, in combination with interannealing at about 300-400°C and % CW in the final cold-rolling step of about 25-35% to final gauge.
  • soaking at 480°C for 4-16 hours in hot rolling step is employed in combination with interannealing at 350°C and %CW of 29% in the final rolling step.
  • soaking at 480°C for 4-16 hours in hot rolling step is employed in combination with interannealing at 400°C and %CW of 29% in the final rolling step.
  • soaking at 480°C for an average of 4 hours in hot rolling step is employed in combination with interannealing at of 350°C and %CW of 35% in the final rolling step.
  • inter-annealing at 325-375°C and 20-35% CW such as interannealing at 300°C and CW 25% in the final cold rolling step is employed.
  • the aluminum alloy fin stock materials produced according to some embodiments of the present invention are produced as sheets varying in gauge (thickness) between 45 ⁇ and 80 ⁇ .
  • the aluminum alloy fin stock material according to the embodiments of the present invention has one or more of the following properties: minimum ultimate tensile strength (UTS) of 130 MPa (in other words, 130 MPa or more, or at least 130 MPa) measured post-brazing (for example, 134 or 137 MPa); average conductivity value of about 43%, about 41.5%, about 42.7% or about 43.3% (International Annealed Copper Standard (IACS)); an open circuit potential corrosion value vs.
  • UTS minimum ultimate tensile strength
  • IACS International Annealed Copper Standard
  • Standard Calomel Electrode of -680mV or less, -700 mV or less or -740 or less (for example, -710mv, -720 mv, -724 mv, -725 mv, -743 mv, -740mV or -758 mV); a sag value between 7 mm, where the final gauge was 47.5 ⁇ , and 5 mm, where the final gauge was 50 ⁇ , with a cantilevered length of 35 mm.
  • SCE Standard Calomel Electrode
  • the above properties of aluminum alloy fin stock material sheets are measured after applying a faster braze cycle, whereby the material is heated to a temperature of 605°C and cooled to room temperature in a period of about 20 minutes, to simulate the temperature time profile of a commercial brazing process.
  • the aluminum alloy fin stock material according to the embodiments of the present invention can have UTS pre-brazing in the range of 180-220 MPa (for example, 185 or 190 MPa).
  • the aluminum alloy fin stock material according to the embodiments of the present invention can also have grain size >200 ⁇ for example, 200 or 400 ⁇
  • An aluminum alloy fin stock material was made by a process that involved DC casting, preheating the ingot to 480°C for about 8 hours, followed by hot rolling to about 2.5 mm, cold rolling, and inter-annealing at 350°C for about 2 hours prior to final cold rolling step.
  • the composition range of the aluminum alloy fin stock material was within the following specification: 1.1 ⁇ 0.1% Si, 0.6 ⁇ 0.1% Fe, 0.2 ⁇ 0.05% Cu, 1.4 ⁇ 0.1% Mn and 1.50 ⁇ 0.1% Zn, with the remainder Al.
  • the aluminum alloy fin stock material produced varied in gauge between 49 and 83 ⁇ .
  • the aluminum alloy fin stock material had a minimum ultimate tensile strength of ⁇ 130MPa.
  • the aluminum alloy fin stock material had an average conductivity after brazing of -43 IACS and an open circuit potential corrosion value vs. SCE of -741 mV. These values were measured after applying a simulated brazing cycle, whereby the sample was heated to a temperature of 605°C and cooled to room temperature in a period of about 20 minutes to simulate the temperature time profile of a commercial brazing process.
  • Example 2
  • Two samples of aluminum alloy fin stock material were made by a process that involved DC casting, followed by hot rolling with pre-heating at 480°C for 4-16 hours, cold rolling, and inter-annealing at 350°C for the first sample and at 400°C for the second sample, prior to final cold rolling to 29% %CW .
  • the composition of the first sample was: 0.95% Si, 0.6% Fe, 0.2% Cu, 1.45% Mn and 1.55% Zn, with the remainder Al.
  • the composition of the second sample was: 1.15% Si, 0.6% Fe, 0.25% Cu, 1.5% Mn and 2% Zn, with the remainder Al.
  • the aluminum alloy fin stock material had a post-braze ultimate tensile strength of -134 MPa for the first sample and -137 MPa for the second sample.
  • the aluminum alloy fin stock material had an average conductivity after brazing of -42.7 IACS for the first sample and -43.3 IACS for the second sample.
  • the aluminum alloy fin stock material had an open circuit potential corrosion value vs. SCE of -710 mV for the first sample and -743mV for the second sample.
  • the aluminum alloy fin stock material had a grain size of 400 ⁇ for the first sample and 200 ⁇ for the second sample.
  • the aluminum alloy fin stock material exhibited pre-braze UTS of 185 MPa for the first sample and 190 MPa for the second sample. The comparison between the two samples revealed that both samples produced attractive mechanical properties, but the open circuit potential corrosion value of the first sample was lower, indicating that increase in Zn content may be desirable.
  • the second sample had advantageously lower open circuit potential corrosion value.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Continuous Casting (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Metal Rolling (AREA)

Abstract

La présente invention concerne un matériau de tôle à ailettes en alliage d'aluminium à résistance supérieure et à résistance améliorée au gauchissement, destiné à être utilisé dans des échangeurs de chaleur tels que des échangeurs de chaleur pour automobiles. Ledit matériau de tôle à ailettes en alliage d'aluminium est fait d'un alliage d'aluminium comprenant environ 0,8 à 1,4% en masse de Si, 0,4 à 0,8% en masse de Fe, 0,05 à 0,4% en masse de Cu, 1,2 à 1,7% en masse de Mn et 1,20 à 2,3% en masse de Zn, le reste étant de l'Al. Ledit matériau de tôle à ailettes en alliage d'aluminium est fabriqué par un procédé comprenant les étapes consistant à : mouler directement en coquille l'alliage d'aluminium pour former un lingot, préchauffer le lingot, laminer à chaud le lingot préchauffé, laminer à froid le lingot et effectuer un recuit intermédiaire à une température allant de 275 à 400C. Après le recuit intermédiaire, le matériau de tôle à ailettes en alliage d'aluminium est laminé à froid lors d'une étape finale de laminage à froid pour atteindre un taux d'écrouissage (%CW) allant de 20 à 35%.
PCT/US2014/050086 2013-08-08 2014-08-07 Tôle à ailettes en alliage d'aluminium à haute résistance pour échangeur de chaleur WO2015021244A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
MX2016001558A MX2016001558A (es) 2013-08-08 2014-08-07 Material de aletas de aleacion de aluminio de alta resistencia para intercambiadores de calor.
ES14752757T ES2779052T3 (es) 2013-08-08 2014-08-07 Material de partida para aleta de aleación de aluminio de alta resistencia para intercambiador de calor
KR1020167006162A KR101988704B1 (ko) 2013-08-08 2014-08-07 열 교환기용 고강도 알루미늄 합금 핀 스톡
CN201480044760.0A CN105593391A (zh) 2013-08-08 2014-08-07 用于热交换器的高强度铝散热片坯料
CA2919662A CA2919662C (fr) 2013-08-08 2014-08-07 Tole a ailettes en alliage d'aluminium a haute resistance pour echangeur de chaleur
BR112016002328A BR112016002328A2 (pt) 2013-08-08 2014-08-07 liga de alumínio, material de estoque de aleta de liga de alumínio, permutador de calor, uso de uma liga de alumínio ou de um material de estoque de aleta de liga de alumínio, e, processo para fazer um material de estoque de aleta de liga de alumínio
JP2016533429A JP6673826B2 (ja) 2013-08-08 2014-08-07 熱交換器のための高強度アルミニウム合金フィン素材
EP14752757.6A EP3030685B1 (fr) 2013-08-08 2014-08-07 Materiel de base pour ailettes en alliage d'aluminium haute résistance, pour échangeur de chaleur

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201361863572P 2013-08-08 2013-08-08
US201361863568P 2013-08-08 2013-08-08
US61/863,568 2013-08-08
US61/863,572 2013-08-08

Publications (1)

Publication Number Publication Date
WO2015021244A1 true WO2015021244A1 (fr) 2015-02-12

Family

ID=51358137

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/050086 WO2015021244A1 (fr) 2013-08-08 2014-08-07 Tôle à ailettes en alliage d'aluminium à haute résistance pour échangeur de chaleur

Country Status (10)

Country Link
US (1) US20150041027A1 (fr)
EP (1) EP3030685B1 (fr)
JP (1) JP6673826B2 (fr)
KR (1) KR101988704B1 (fr)
CN (2) CN110512124A (fr)
BR (1) BR112016002328A2 (fr)
CA (1) CA2919662C (fr)
ES (1) ES2779052T3 (fr)
MX (1) MX2016001558A (fr)
WO (1) WO2015021244A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9719156B2 (en) 2011-12-16 2017-08-01 Novelis Inc. Aluminum fin alloy and method of making the same

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6751713B2 (ja) 2014-08-06 2020-09-09 ノベリス・インコーポレイテッドＮｏｖｅｌｉｓ Ｉｎｃ． 熱交換器フィンのためのアルミニウム合金
BR112018008641B1 (pt) * 2016-05-27 2022-12-06 Novelis Inc Liga de alumínio, método para produção de uma liga de alumínio, e, artigo
JP7107690B2 (ja) * 2018-01-31 2022-07-27 Ｍａアルミニウム株式会社 強度、導電性、耐食性、およびろう付性に優れる熱交換器用アルミニウム合金フィン材および熱交換器
FR3080058B1 (fr) * 2018-04-16 2023-05-12 Constellium Neuf Brisach Tole de brasage multicouche
TWI690601B (zh) * 2019-01-03 2020-04-11 中國鋼鐵股份有限公司 散熱片之製造方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1088265A (ja) * 1996-09-06 1998-04-07 Sumitomo Light Metal Ind Ltd ろう付け後の強度および犠牲陽極効果に優れた熱交換器用アルミニウム合金フィン材
JP2002161324A (ja) * 2000-11-17 2002-06-04 Sumitomo Light Metal Ind Ltd 成形性及びろう付け性に優れた熱交換器用アルミニウム合金フィン材
US20040028940A1 (en) * 2002-06-24 2004-02-12 Taketoshi Toyama Aluminum alloy fin material for heat exchangers and heat exchanger including the fin material
EP1717327A1 (fr) * 2004-02-03 2006-11-02 Nippon Light Metal Company Ltd. Materiau pour ailettes constituee d'un alliage base d'aluminium a haute resistance destine aux echangeurs de chaleur et procede de production de ce materiau
EP1753885A1 (fr) * 2004-05-26 2007-02-21 Corus Aluminium Walzprodukte GmbH Procede de production d'une feuille de brasage d'alliage d'aluminium, et feuille de brasage d'alliage d'aluminium obtenue par ce procede
US20080118393A1 (en) * 2006-10-13 2008-05-22 Anders Oskarsson High strength and sagging resistant fin material
JP2012126950A (ja) * 2010-12-14 2012-07-05 Mitsubishi Alum Co Ltd 熱交換器用アルミニウム合金フィン材および該フィン材を用いた熱交換器
WO2013111884A1 (fr) * 2012-01-27 2013-08-01 古河スカイ株式会社 Alliage d'aluminium pour ailette d'échangeur de chaleur et son procédé de fabrication, ainsi qu'un échangeur de chaleur utilisant ledit alliage d'aluminium

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62196348A (ja) * 1986-02-20 1987-08-29 Sumitomo Light Metal Ind Ltd アルミニウム合金製熱交換器用フイン材
JP4115019B2 (ja) * 1998-12-04 2008-07-09 古河スカイ株式会社 機械かしめ式熱交換器用フィン材
JP3847077B2 (ja) * 2000-11-17 2006-11-15 住友軽金属工業株式会社 成形性及びろう付け性に優れた熱交換器用アルミニウム合金フィン材
US20050150642A1 (en) * 2004-01-12 2005-07-14 Stephen Baumann High-conductivity finstock alloy, method of manufacture and resultant product
CN101230431B (zh) * 2006-12-21 2011-08-03 三菱铝株式会社 制造用于汽车热交换器的高强度铝合金材料的方法
CN101220430B (zh) * 2008-01-31 2010-09-01 河南永顺铝业有限公司 钎焊式热交换器用铝合金箔材料及生产方法
JP5836695B2 (ja) * 2011-08-12 2015-12-24 株式会社Uacj ろう付け後の強度及び耐食性に優れた熱交換器用アルミニウム合金フィン材
KR102033820B1 (ko) * 2011-12-16 2019-10-17 노벨리스 인코퍼레이티드 알루미늄 핀 합금 및 그 제조 방법
MX2016001557A (es) * 2013-08-08 2016-05-02 Novelis Inc Material de aletas de aleacion de aluminio de alta resistencia para intercambiadores de calor.

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1088265A (ja) * 1996-09-06 1998-04-07 Sumitomo Light Metal Ind Ltd ろう付け後の強度および犠牲陽極効果に優れた熱交換器用アルミニウム合金フィン材
JP2002161324A (ja) * 2000-11-17 2002-06-04 Sumitomo Light Metal Ind Ltd 成形性及びろう付け性に優れた熱交換器用アルミニウム合金フィン材
US20040028940A1 (en) * 2002-06-24 2004-02-12 Taketoshi Toyama Aluminum alloy fin material for heat exchangers and heat exchanger including the fin material
EP1717327A1 (fr) * 2004-02-03 2006-11-02 Nippon Light Metal Company Ltd. Materiau pour ailettes constituee d'un alliage base d'aluminium a haute resistance destine aux echangeurs de chaleur et procede de production de ce materiau
EP1753885A1 (fr) * 2004-05-26 2007-02-21 Corus Aluminium Walzprodukte GmbH Procede de production d'une feuille de brasage d'alliage d'aluminium, et feuille de brasage d'alliage d'aluminium obtenue par ce procede
US20080118393A1 (en) * 2006-10-13 2008-05-22 Anders Oskarsson High strength and sagging resistant fin material
JP2012126950A (ja) * 2010-12-14 2012-07-05 Mitsubishi Alum Co Ltd 熱交換器用アルミニウム合金フィン材および該フィン材を用いた熱交換器
WO2013111884A1 (fr) * 2012-01-27 2013-08-01 古河スカイ株式会社 Alliage d'aluminium pour ailette d'échangeur de chaleur et son procédé de fabrication, ainsi qu'un échangeur de chaleur utilisant ledit alliage d'aluminium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9719156B2 (en) 2011-12-16 2017-08-01 Novelis Inc. Aluminum fin alloy and method of making the same

Also Published As

Publication number Publication date
JP6673826B2 (ja) 2020-03-25
EP3030685B1 (fr) 2020-02-19
CN105593391A (zh) 2016-05-18
EP3030685A1 (fr) 2016-06-15
BR112016002328A2 (pt) 2017-08-01
CA2919662C (fr) 2020-08-25
MX2016001558A (es) 2016-05-02
KR20160042055A (ko) 2016-04-18
CN110512124A (zh) 2019-11-29
KR101988704B1 (ko) 2019-06-12
ES2779052T3 (es) 2020-08-13
CA2919662A1 (fr) 2015-02-12
JP2016531204A (ja) 2016-10-06
US20150041027A1 (en) 2015-02-12

Similar Documents

Publication Publication Date Title
US11933553B2 (en) Aluminum alloy for heat exchanger fins
CA2919662C (fr) Tole a ailettes en alliage d'aluminium a haute resistance pour echangeur de chaleur
JP5186185B2 (ja) ろう付けによって製造される高強度自動車熱交換器用フィン材に用いられる、成形性と耐エロージョン性に優れた自動車熱交換器フィン材用高強度アルミニウム合金材、及びその製造方法
JP4408567B2 (ja) アルミニウム合金フィン素材を製造する方法
JP5113318B2 (ja) 成形加工用アルミニウム合金板およびその製造方法
CN105734368B (zh) 铝合金翅片材料、其制造方法及具备该材料的换热器
EP2791378A1 (fr) Alliage pour ailettes d'aluminium et son procédé de fabrication
EP3030684A1 (fr) Tôle à ailettes en alliage d'aluminium haute résistance pour échangeurs de chaleur
JP2003138356A (ja) ろう付け性、成形性および耐エロージョン性に優れた熱交換器用高強度アルミニウム合金ブレージングシートの製造方法
JP2004027253A (ja) 成形加工用アルミニウム合金板およびその製造方法
JP2009293059A (ja) 耐エロージョン性に優れた高強度アルミニウム合金フィン材及びその製造方法、並びに自動車熱交換器
JP3735700B2 (ja) 熱交換器用アルミニウム合金製フィン材およびその製造方法
JP4807484B2 (ja) 成形加工用アルミニウム合金板およびその製造方法
WO2015002313A1 (fr) Tôle à ailettes en alliage d'aluminium pour échangeurs de chaleur et son procédé de fabrication
JP4326907B2 (ja) ブレージングシートの製造方法
JP4326906B2 (ja) ブレージングシートの製造方法
JP2005125364A (ja) ブレージングシートの製造方法
JP2005125362A (ja) ブレージングシート

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14752757

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2919662

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: MX/A/2016/001558

Country of ref document: MX

ENP Entry into the national phase

Ref document number: 2016533429

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2014752757

Country of ref document: EP

REG Reference to national code

Ref country code: BR

Ref legal event code: B01A

Ref document number: 112016002328

Country of ref document: BR

ENP Entry into the national phase

Ref document number: 20167006162

Country of ref document: KR

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 112016002328

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20160202