EP3546607A1 - Alliage d'aluminium thermoconducteur et son utilisation - Google Patents

Alliage d'aluminium thermoconducteur et son utilisation Download PDF

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Publication number
EP3546607A1
EP3546607A1 EP17874325.8A EP17874325A EP3546607A1 EP 3546607 A1 EP3546607 A1 EP 3546607A1 EP 17874325 A EP17874325 A EP 17874325A EP 3546607 A1 EP3546607 A1 EP 3546607A1
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EP
European Patent Office
Prior art keywords
less
thermally conductive
aluminum alloy
weight
conductive aluminum
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EP17874325.8A
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German (de)
English (en)
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EP3546607A4 (fr
Inventor
Qiang Guo
Yunchun Li
Chunmeng ZHANG
Yongliang XIE
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BYD Co Ltd
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BYD Co Ltd
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Publication of EP3546607A1 publication Critical patent/EP3546607A1/fr
Publication of EP3546607A4 publication Critical patent/EP3546607A4/fr
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Classifications

    • 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
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • C22C21/04—Modified aluminium-silicon alloys
    • 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
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2202/00—Physical properties

Definitions

  • the present disclosure relates to the technical field of aluminum alloy, and in particular to a thermally conductive aluminum alloy and application thereof.
  • Aluminum alloy materials are widely used in aviation, aerospace, electronic and electrical products, automotive, machinery manufacturing and other fields because of their characteristics of low density, high strength, good plasticity, excellent electrical conductivity, thermal conductivity and corrosion resistance.
  • An object of the present disclosure is to provide a thermally conductive aluminum alloy.
  • the thermally conductive aluminum alloy has a high thermal conductivity and can be recycled.
  • the present disclosure provides a thermally conductive aluminum alloy, containing alloying elements, unavoidable impurities and the balance of an aluminum element, where based on the total weight of the thermally conductive aluminum alloy, the alloying elements include: 5.0 to 11.0 wt% of Si, 0.4 to 1.0 wt% of Fe, 0.2 to 1.0 wt% of Mg, less than 0.1 wt% of Zn, less than 0.1 wt% of Mn, less than 0.1 wt% of Sr and less than 0.1 wt% of Cu.
  • the thermally conductive aluminum alloy prepared by the present disclosure has a tensile strength of not less than 250 MPa, a yield strength of not less than 150 MPa, an elongation of not less than 3.5%, and a thermal conductivity of not less than 150 W/(m•K).
  • the thermally conductive aluminum alloy has high mechanical properties and good flow forming property, and the forming fluidity measured by a mosquito coil mold is not less than 1150 mm.
  • the thermally conductive aluminum alloy can be recycled and reused multiple times.
  • the thermal conductivity of the die-casting material after 5 times of recycling is >125 W/(m•K), which is 83% or above of the thermal conductivity of the new material.
  • the thermal conductivity of the die-casting material after 10 times of recycling is >112 W/(m•K), which is 75% or above of the thermal conductivity of the new material.
  • the alloying elements include: 8.0 to 11.0 wt% of Si, 0.4 to 0.6 wt% of Fe, 0.4 to 0.8 wt% of Mg, less than 0.01 wt% of Zn, less than 0.01 wt% of Mn, less than 0.1 wt% of Sr and less than 0.01 wt% of Cu.
  • the thermally conductive aluminum alloy prepared according to the formula has a tensile strength of not less than 270 MPa, a yield strength of not less than 160 MPa, an elongation of not less than 5%, and a thermal conductivity of not less than 160 W/(m•K).
  • the impurity elements in the thermally conductive aluminum alloy do not exceed 0.2 wt%.
  • the thermally conductive aluminum alloy consists of 5.0 to 11.0 wt% of Si, 0.4 to 1.0 wt% of Fe, 0.2 to 1.0 wt% of Mg, less than 0.1 wt% of Zn, less than 0.1 wt% of Mn, less than 0.1 wt% of Sr, less than 0.1 wt% of Cu, not more than 0.2 wt% of impurity elements and the balance of aluminum.
  • the thermally conductive aluminum alloy consists of 8.0 to 11.0 wt% of Si, 0.4 to 0.6 wt% of Fe, 0.4 to 0.8 wt% of Mg, less than 0.01 wt% of Zn, less than 0.01 wt% of Mn, less than 0.1 wt% of Sr, less than 0.01 wt% of Cu, not more than 0.2 wt% of impurity elements and the balance of aluminum.
  • the present disclosure further provides application of the thermally conductive aluminum alloy as described above in the manufacture of metal structural members and/or heat sinks for electronic and electrical products.
  • the values of tensile strength, yield strength and elongation of a thermally conductive aluminum alloy refer to the tensile strength, yield strength and elongation of a metallic material tested in accordance with GB/T 228.1-2010 Metallic Materials-Tensile Testing-Part 1: Method oftest at room temperature.
  • a first aspect of the present disclosure provides a thermally conductive aluminum alloy, containing alloying elements, unavoidable impurities and the balance of an aluminum element, where based on the total weight of the thermally conductive aluminum alloy, the alloying elements may include: 5.0 to 11.0 wt% of Si, 0.4 to 1.0 wt% of Fe, 0.2 to 1.0 wt% of Mg, less than 0.1 wt% of Zn, less than 0.1 wt% of Mn, less than 0.1 wt% of Sr and less than 0.1 wt% of Cu.
  • the thermally conductive aluminum alloy prepared by the present disclosure has a tensile strength of not less than 250 MPa, a yield strength of not less than 150 MPa, an elongation of not less than 3.5%, and a thermal conductivity of not less than 150 W/(m•K).
  • the thermally conductive aluminum alloy has high mechanical properties and good flow forming property, and the forming fluidity measured by a mosquito coil mold is not less than 1150 mm.
  • the thermally conductive aluminum alloy can be recycled and reused multiple times.
  • the thermal conductivity of the die-casting material after 5 times of recycling is not less than 125 W/(m•K), which is 83% or above of the thermal conductivity of the new material.
  • the thermal conductivity of the die-casting material after 10 times of recycling is not less than 112 W/(m•K), which is 75% or above of the thermal conductivity of the new material.
  • the alloying elements may include: 8.0 to 11.0 wt% of Si, 0.4 to 0.6 wt% of Fe, 0.4 to 0.8 wt% of Mg, less than 0.01 wt% of Zn, less than 0.01 wt% of Mn, less than 0.1 wt% of Sr and less than 0.01 wt% of Cu.
  • the thermally conductive aluminum alloy prepared according to the formula has a tensile strength of not less than 270 MPa, a yield strength of not less than 160 MPa, an elongation of not less than 5%, and a thermal conductivity of not less than 160 W/(m•K).
  • the thermal conductivity of the die-casting material after 5 times of recycling is not less than 138 W/(m•K), which is 86% or above of the thermal conductivity of the new material.
  • the thermal conductivity of the die-casting material after 10 times of recycling is not less than 125 W/(m•K), which is 78% or above of the thermal conductivity of the new material.
  • the purity of the aluminum alloy is one of the important factors affecting the properties of the aluminum alloy.
  • the impurity elements in the thermally conductive aluminum alloy do not exceed 0.2 wt%.
  • the thermally conductive aluminum alloy consists of 5.0 to 11.0 wt% of Si, 0.4 to 1.0 wt% of Fe, 0.2 to 1.0 wt% of Mg, less than 0.1 wt% of Zn, less than 0.1 wt% of Mn, less than 0.1 wt% of Sr, less than 0.1 wt% of Cu, not more than 0.2 wt% of impurity elements and the balance of aluminum.
  • the thermally conductive aluminum alloy prepared according to the formula has a tensile strength of not less than 250 MPa, a yield strength of not less than 150 MPa, an elongation of not less than 3.5%, and a thermal conductivity of not less than 150 W/(m•K).
  • the thermally conductive aluminum alloy has good flow forming property, and the forming fluidity measured by a mosquito coil mold is not less than 1150 mm.
  • the thermally conductive aluminum alloy consists of 8.0 to 11.0 wt% of Si, 0.4 to 0.6 wt% of Fe, 0.4 to 0.8 wt% of Mg, less than 0.01 wt% of Zn, less than 0.01 wt% of Mn, less than 0.1 wt% of Sr and less than 0.01 wt% of Cu.
  • the thermally conductive aluminum alloy prepared according to the formula has a tensile strength of not less than 270 MPa, a yield strength of not less than 160 MPa, an elongation of not less than 5%, and a thermal conductivity of not less than 160 W/(m•K).
  • the thermal conductivity of the die-casting material after 5 times of recycling is not less than 138 W/(m•K), which is 86% or above of the thermal conductivity of the new material.
  • the thermal conductivity of the die-casting material after 10 times of recycling is not less than 125 W/(m•K), which is 78% or above of the thermal conductivity of the new material.
  • a second aspect of the present disclosure provides application of the thermally conductive aluminum alloy as described above in the manufacture of metal structural members and/or heat sinks for electronic and electrical products.
  • the thermally conductive aluminum alloy contains 5.0 parts by weight of Si, 1.0 part by weight of Fe, 0.2 part by weight of Mg, 0.05 part by weight of Zn, 0.05 part by weight of Mn, 0.05 part by weight of Sr, 0.05 part by weight of Cu and the balance of Al.
  • the furnace was preheated at 400°C for 25 minutes and purged with argon gas, the corresponding parts by weight of pure aluminum ingot was added for melting, and when the temperature of the pure aluminum liquid reached 800°C, the pure aluminum liquid was allowed to stand for 25 minutes to fully melt the pure aluminum ingot.
  • the furnace was cooled to 760°C, 5.0 parts by weight of pure silicon was added, and the mixture was allowed to stand at a constant temperature for 25 minutes, and after melting, stirring was continued for 15 minutes.
  • the furnace was cooled to 700°C, the remaining intermediate alloy was added, and after melting was completed, the mixture was allowed to stand.
  • the thermally conductive aluminum alloy contains 11.0 parts by weight of Si, 0.4 part by weight of Fe, 1.0 part by weight of Mg, 0.05 part by weight of Zn, 0.05 part by weight of Mn, 0.05 part by weight of Sr, 0.05 part by weight of Cu and the balance of Al.
  • the furnace was preheated at 400°C for 25 minutes and purged with argon gas, the corresponding parts by weight of pure aluminum ingot was added for melting, and when the temperature of the pure aluminum liquid reached 800°C, the pure aluminum liquid was allowed to stand for 25 minutes to fully melt the pure aluminum ingot.
  • the furnace was cooled to 760°C, 11.0 parts by weight of pure silicon was added, and the mixture was allowed to stand at a constant temperature for 25 minutes, and after melting, stirring was continued for 15 minutes.
  • the furnace was cooled to 700°C, the remaining intermediate alloy was added, and after melting was completed, the mixture was allowed to stand.
  • the thermally conductive aluminum alloy contains 8.0 parts by weight of Si, 0.4 part by weight of Fe, 0.4 part by weight of Mg, 0.008 part by weight of Zn, 0.008 part by weight of Mn, 0.05 part by weight of Sr, 0.008 part by weight of Cu and the balance of Al.
  • the furnace was preheated at 400°C for 25 minutes and purged with argon gas, the corresponding parts by weight of pure aluminum ingot was added for melting, and when the temperature of the pure aluminum liquid reached 800°C, the pure aluminum liquid was allowed to stand for 25 minutes to fully melt the pure aluminum ingot.
  • the furnace was cooled to 760°C, 8.0 parts by weight of pure silicon was added, and the mixture was allowed to stand at a constant temperature for 25 minutes, and after melting, stirring was continued for 15 minutes.
  • the furnace was cooled to 700°C, the remaining intermediate alloy was added, and after melting was completed, the mixture was allowed to stand.
  • the thermally conductive aluminum alloy contains 11.0 parts by weight of Si, 0.6 part by weight of Fe, 0.8 part by weight of Mg, 0.002 part by weight of Zn, 0.002 part by weight of Mn, 0.002 part by weight of Sr, 0.002 part by weight of Cu and the balance of Al.
  • the furnace was preheated at 400°C for 25 minutes and purged with argon gas, the corresponding parts by weight of pure aluminum ingot was added for melting, and when the temperature of the pure aluminum liquid reached 800°C, the pure aluminum liquid was allowed to stand for 25 minutes to fully melt the pure aluminum ingot.
  • the furnace was cooled to 760°C, 11.0 parts by weight of pure silicon was added, and the mixture was allowed to stand at a constant temperature for 25 minutes, and after melting, stirring was continued for 15 minutes.
  • the furnace was cooled to 700°C, the remaining intermediate alloy was added, and after melting was completed, the mixture was allowed to stand.
  • the thermally conductive aluminum alloy contains 9.5 parts by weight of Si, 0.6 part by weight of Fe, 0.6 part by weight of Mg, 0.005 part by weight of Zn, 0.005 part by weight of Mn, 0.05 part by weight of Sr, 0.005 part by weight of Cu and the balance of Al.
  • the furnace was preheated at 400°C for 25 minutes and purged with argon gas, the corresponding parts by weight of pure aluminum ingot was added for melting, and when the temperature of the pure aluminum liquid reached 800°C, the pure aluminum liquid was allowed to stand for 25 minutes to fully melt the pure aluminum ingot.
  • the furnace was cooled to 760°C, 9.5 parts by weight of pure silicon was added, and the mixture was allowed to stand at a constant temperature for 25 minutes, and after melting, stirring was continued for 15 minutes.
  • the furnace was cooled to 700°C, the remaining intermediate alloy was added, and after melting was completed, the mixture was allowed to stand.
  • the thermally conductive aluminum alloy contains 4.2 parts by weight of Si, 0.2 part by weight of Fe, 0.4 part by weight of Mg, 0.05 part by weight of Zn, 0.05 part by weight of Mn, 0.05 part by weight of Ni, 0.05 part by weight of Cr and the balance of Al.
  • the furnace was preheated at 400°C for 25 minutes and purged with argon gas, the corresponding parts by weight of pure aluminum ingot was added for melting, and when the temperature of the pure aluminum liquid reached 800°C, the pure aluminum liquid was allowed to stand for 25 minutes to fully melt the pure aluminum ingot.
  • the furnace was cooled to 760°C, 4.2 parts by weight of pure silicon was added, and the mixture was allowed to stand at a constant temperature for 25 minutes, and after melting, stirring was continued for 15 minutes.
  • the furnace was cooled to 700°C, the remaining intermediate alloy was added, and after melting was completed, the mixture was allowed to stand.
  • the thermally conductive aluminum alloy contains 4.0 parts by weight of Si, 0.2 part by weight of Fe, 0.1 part by weight of Mg, 0.15 part by weight of Zn, 0.15 part by weight of Mn, 0.15 part by weight of Sr, 0.15 part by weight of Cu and the balance of Al.
  • the furnace was preheated at 400°C for 25 minutes and purged with argon gas, the corresponding parts by weight of pure aluminum ingot was added for melting, and when the temperature of the pure aluminum liquid reached 800°C, the pure aluminum liquid was allowed to stand for 25 minutes to fully melt the pure aluminum ingot.
  • the furnace was cooled to 760°C, 4.0 parts by weight of pure silicon was added, and the mixture was allowed to stand at a constant temperature for 25 minutes, and after melting, stirring was continued for 15 minutes.
  • the furnace was cooled to 700°C, the remaining intermediate alloy was added, and after melting was completed, the mixture was allowed to stand.
  • the thermally conductive aluminum alloy contains 12.0 parts by weight of Si, 0.2 part by weight of Fe, 0.1 part by weight of Mg, 0.15 part by weight of Zn, 0.15 part by weight of Mn, 0.15 part by weight of Sr, 0.15 part by weight of Cu and the balance of Al.
  • the furnace was preheated at 400°C for 25 minutes and purged with argon gas, the corresponding parts by weight of pure aluminum ingot was added for melting, and when the temperature of the pure aluminum liquid reached 800°C, the pure aluminum liquid was allowed to stand for 25 minutes to fully melt the pure aluminum ingot.
  • the furnace was cooled to 760°C, 12.0 parts by weight of pure silicon was added, and the mixture was allowed to stand at a constant temperature for 25 minutes, and after melting, stirring was continued for 15 minutes.
  • the furnace was cooled to 700°C, the remaining intermediate alloy was added, and after melting was completed, the mixture was allowed to stand.
  • the thermally conductive aluminum alloy contains 4.0 parts by weight of Si, 1.2 parts by weight of Fe, 1.0 part by weight of Mg, 0.15 part by weight of Zn, 0.15 part by weight of Mn, 0.15 part by weight of Sr, 0.15 part by weight of Cu and the balance of Al.
  • the furnace was preheated at 400°C for 25 minutes and purged with argon gas, the corresponding parts by weight of pure aluminum ingot was added for melting, and when the temperature of the pure aluminum liquid reached 800°C, the pure aluminum liquid was allowed to stand for 25 minutes to fully melt the pure aluminum ingot.
  • the furnace was cooled to 760°C, 4.0 parts by weight of pure silicon was added, and the mixture was allowed to stand at a constant temperature for 25 minutes, and after melting, stirring was continued for 15 minutes.
  • the furnace was cooled to 700°C, the remaining intermediate alloy was added, and after melting was completed, the mixture was allowed to stand.
  • This test embodiment is used to determine the mechanical properties, thermal conductivity and flow formability at room temperature of the thermally conductive aluminum alloys obtained in Embodiments 1 to 5 and Comparative Examples 1 to 4.
  • thermal conductivity The thermally conductive aluminum alloy in each of the embodiments and comparative examples was prepared into a circular sample having a diameter of 12.7 mm and a thickness of 25.4 mm; a graphite coating was uniformly sprayed on both sides of the sample to be tested; and the treated sample was placed in a laser thermal conductivity tester for testing.
  • the test was performed in accordance with ASTM E1461 Standard Test Method for Thermal Diffusivity by the Flash Method. The specific test results are shown in Table 1.
  • the tensile strength, yield strength and elongation of the aluminum alloy were tested in accordance with GB/T 228.1-2010 Metallic Materials-Tensile Testing-Part 1: Method of test at room temperature.
  • the sheets extruded in Embodiments 1 to 5 and Comparative Examples 1 to 4 were subjected to wire-cutting to prepare standard tensile samples, and the axial direction of the tensile specimens was consistent with the extrusion direction.
  • the specific test results are shown in Table 1.
  • the fluidity of the thermally conductive aluminum alloy material was determined by a mosquito coil mold:
  • the mosquito coil mold was a mold having a mold cavity in a mosquito coil shape, and the formed metal member had a spiral shape.
  • the thermally conductive aluminum alloys of Embodiments 1 to 5 and Comparative Examples 1 to 4 were smelted at 730°C, and after being completely melted, they were air-cooled to 690°C and cast into a mosquito coil mold for a fluidity test. The length of the formed aluminum alloy spiral sample was measured. The specific results are shown in Table 1.
  • Embodiment 1 150 260 151 3.5 1200 Embodiment 2 153 270 162 4.0 1150 Embodiment 3 164 270 169 5.5 1200 Embodiment 4 165 287 178 5.0 1220 Embodiment 5 169 275 172 6.0 1250 Comparative Example 1 93 220 159 2.6 1000 Comparative Example 2 100 239 147 2.0 980 Comparative Example 3 123 253 153 3.9 1050 Comparative Example 4 130 268 150 2.8 1100
  • the thermally conductive aluminum alloy prepared by the present disclosure has better mechanical properties: the tensile strength is not less than 250 MPa, the yield strength is not less than 150 MPa, and the elongation is not less than 3.5%. While having good mechanical properties, the thermally conductive aluminum alloy has good flow forming property, and the forming fluidity measured by a mosquito coil mold is not less than 1150 mm. The thermal conductivity is not less than 150 W/(m•K).
  • the thermally conductive aluminum alloy contains 8.0 to 11.0 wt% of Si, 0.4 to 0.6 wt% of Fe, 0.4 to 0.8 wt% of Mg, less than 0.01 wt% of Zn, less than 0.01 wt% of Mn, less than 0.1 wt% of Sr and less than 0.01 wt% of Cu
  • the prepared thermally conductive aluminum alloy has a tensile strength of not less than 270 MPa, a yield strength of not less than 160 MPa, an elongation of not less than 5% and a thermal conductivity of not less than 160 W/(m•K).
  • This test embodiment is used to determine the thermal conductivity of the thermally conductive aluminum alloys obtained in Embodiments 1 to 5 and Comparative Examples 1 to 4 after recycling.
  • thermally conductive aluminum alloy The new material thermally conductive aluminum alloy in each of the embodiments and comparative examples was separately collected and melted at 760°C for 1 hour; the molten material was placed in a crucible and mechanically stirred at a rate of 1200 rpm for 30 min, and then cooled to obtain the recycled thermally conductive aluminum alloy; and the thermal conductivity of the aluminum alloy after 5 and 10 times of recycling was measured with reference to the thermal conductivity measurement method in Test Embodiment 1. The specific test results are shown in Table 2.
  • the thermally conductive aluminum alloy prepared by the present disclosure can be recycled and reused multiple times.
  • the thermal conductivity of the die-casting material after 5 times of recycling is not less than 125 W/(m•K), which is 83% or above of the thermal conductivity of the new material.
  • the thermal conductivity of the die-casting material after 10 times of recycling is not less than 112 W/(m•K), which is 75% or above of the thermal conductivity of the new material.
  • the thermally conductive aluminum alloy contains 8.0 to 11.0 wt% of Si, 0.4 to 0.6 wt% of Fe, 0.4 to 0.8 wt% of Mg, less than 0.01 wt% of Zn, less than 0.01 wt% of Mn, less than 0.1 wt% of Sr and less than 0.01 wt% of Cu
  • the thermal conductivity of the die-casting material after 5 times of recycling of the thermally conductive aluminum alloy is not less than 138 W/(m•K), which is 86% or above of the thermal conductivity of the new material.
  • the thermal conductivity of the die-casting material after 10 times of recycling is not less than 125 W/(m•K), which is 78% or above of the thermal conductivity of the new material.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
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  • General Engineering & Computer Science (AREA)
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EP17874325.8A 2016-11-23 2017-10-25 Alliage d'aluminium thermoconducteur et son utilisation Pending EP3546607A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611038514.1A CN108085541B (zh) 2016-11-23 2016-11-23 一种导热铝合金及其应用
PCT/CN2017/107692 WO2018095186A1 (fr) 2016-11-23 2017-10-25 Alliage d'aluminium thermoconducteur et son utilisation

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EP3546607A1 true EP3546607A1 (fr) 2019-10-02
EP3546607A4 EP3546607A4 (fr) 2020-01-29

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US (1) US20210108290A1 (fr)
EP (1) EP3546607A4 (fr)
JP (1) JP2020500265A (fr)
KR (1) KR20190073465A (fr)
CN (1) CN108085541B (fr)
WO (1) WO2018095186A1 (fr)

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CN108085541B (zh) 2020-04-24
US20210108290A1 (en) 2021-04-15
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WO2018095186A1 (fr) 2018-05-31
KR20190073465A (ko) 2019-06-26
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