EP4279627A4 - Injection molded alloy material and processing method - Google Patents

Injection molded alloy material and processing method

Info

Publication number
EP4279627A4
EP4279627A4 EP22919269.5A EP22919269A EP4279627A4 EP 4279627 A4 EP4279627 A4 EP 4279627A4 EP 22919269 A EP22919269 A EP 22919269A EP 4279627 A4 EP4279627 A4 EP 4279627A4
Authority
EP
European Patent Office
Prior art keywords
processing method
injection molded
alloy material
molded alloy
injection
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP22919269.5A
Other languages
German (de)
French (fr)
Other versions
EP4279627A1 (en
Inventor
Lei Chen
Yandang Qiao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honor Device Co Ltd
Original Assignee
Honor Device Co Ltd
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 Honor Device Co Ltd filed Critical Honor Device Co Ltd
Publication of EP4279627A1 publication Critical patent/EP4279627A1/en
Publication of EP4279627A4 publication Critical patent/EP4279627A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1017—Multiple heating or additional steps
    • B22F3/1021—Removal of binder or filler
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1017—Multiple heating or additional steps
    • B22F3/1021—Removal of binder or filler
    • B22F3/1025—Removal of binder or filler not by heating only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
    • B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613—Gases; Liquefied or solidified normally gaseous material
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/007—Heat treatment of ferrous alloys containing Co
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/02—Hardening by precipitation
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/04—Hardening by cooling below 0 degrees Celsius
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/248—Thermal after-treatment
    • 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
    • C21D2261/00—Machining or cutting being involved

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
EP22919269.5A 2022-03-30 2022-12-30 Injection molded alloy material and processing method Pending EP4279627A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210325044.6A CN116926440A (en) 2022-03-30 2022-03-30 Injection molding alloy material and processing method
PCT/CN2022/144213 WO2023185176A1 (en) 2022-03-30 2022-12-30 Injection molded alloy material and processing method

Publications (2)

Publication Number Publication Date
EP4279627A1 EP4279627A1 (en) 2023-11-22
EP4279627A4 true EP4279627A4 (en) 2024-08-07

Family

ID=88199001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22919269.5A Pending EP4279627A4 (en) 2022-03-30 2022-12-30 Injection molded alloy material and processing method

Country Status (3)

Country Link
EP (1) EP4279627A4 (en)
CN (1) CN116926440A (en)
WO (1) WO2023185176A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111299589A (en) * 2020-03-20 2020-06-19 江苏精研科技股份有限公司 Corrosion-resistant steel powder, feeding material and process for preparing corrosion-resistant steel complex parts
CN113969378A (en) * 2021-10-18 2022-01-25 维沃移动通信有限公司 Alloy steel material, preparation method of alloy steel material and electronic equipment
CN114086055A (en) * 2020-08-24 2022-02-25 华为技术有限公司 Steel, steel structural member, electronic device and preparation method of steel structural member

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002070768A2 (en) * 2001-03-02 2002-09-12 Crs Holdings, Inc. A cast shaped article made from high strenght, precipiation-hardenable stainless steel and a process for making same
CN101205595B (en) * 2006-12-22 2010-08-11 宝山钢铁股份有限公司 Tough ultra-strength stainless steel and method for manufacturing the same
CN103820729B (en) * 2014-03-14 2017-05-03 钢铁研究总院 Titanium reinforced high-cobalt martensitic aged anti-corrosion ultrahigh-strength steel and preparation method
CN110153430A (en) * 2019-06-11 2019-08-23 上海富驰高科技股份有限公司 A kind of enhanced 316L stainless steel metal injection molding technique
CN111299588A (en) * 2020-03-20 2020-06-19 江苏精研科技股份有限公司 Corrosion-resistant steel powder and preparation process of feeding and corrosion-resistant steel complex parts
CN111408724A (en) * 2020-04-23 2020-07-14 江苏精研科技股份有限公司 Corrosion-resistant steel powder, feeding material and preparation process of corrosion-resistant steel complex part
CN111992704A (en) * 2020-08-22 2020-11-27 江苏精研科技股份有限公司 Corrosion-resistant steel powder, ultrahigh-strength steel feed and preparation process of corrosion-resistant steel complex part
CN113560576A (en) * 2021-06-18 2021-10-29 深圳艾利门特科技有限公司 MIM (metal injection molding) forming process for ultrahigh-strength and high-toughness steel part
CN115255348A (en) * 2022-07-04 2022-11-01 江苏精研科技股份有限公司 Super-strong corrosion-resistant steel powder for preparing super-strong corrosion-resistant steel complex parts and preparation process

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111299589A (en) * 2020-03-20 2020-06-19 江苏精研科技股份有限公司 Corrosion-resistant steel powder, feeding material and process for preparing corrosion-resistant steel complex parts
CN114086055A (en) * 2020-08-24 2022-02-25 华为技术有限公司 Steel, steel structural member, electronic device and preparation method of steel structural member
CN113969378A (en) * 2021-10-18 2022-01-25 维沃移动通信有限公司 Alloy steel material, preparation method of alloy steel material and electronic equipment

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023185176A1 *
WEBB P A: "Volume and Density Determinations for Particle Technologists", INTERNET CITATION, 1 February 2001 (2001-02-01), pages 1 - 15, XP002495931, Retrieved from the Internet <URL:http://www.micromeritics.com/pdf/app_articles/density_determinations.pdf> [retrieved on 20080915] *

Also Published As

Publication number Publication date
WO2023185176A1 (en) 2023-10-05
EP4279627A1 (en) 2023-11-22
CN116926440A (en) 2023-10-24

Similar Documents

Publication Publication Date Title
ZA202210902B (en) Injection-molded wire harness and molding method
EP4163422A4 (en) Silver-plated material and method for producing same
EP3778202A4 (en) Fiber-reinforced composite material molding apparatus and method for manufacturing fiber-reinforced composite material molded article
EP4279627A4 (en) Injection molded alloy material and processing method
EP4299476A4 (en) Material conveying method and device
EP3950261A4 (en) Injection mold and injection molding method
GB2598431B (en) Cathode material and process
EP4129613A4 (en) Method and device for producing composite material molded article
EP3939765C0 (en) Injection molding method and injection molding machine
EP4000851A4 (en) Composite material molding apparatus and composite material molding method
EP4179879A4 (en) Method for producing textured protein material and textured protein material
GB202104214D0 (en) Cathode material and process
EP3932646A4 (en) Injection molding apparatus and injection molding method
EP3981828A4 (en) Method for manufacturing carbon-fiber-reinforced molding material and molded article
EP3905789A4 (en) Call processing method and related product
GB202211311D0 (en) Injection molding apparatus and injection molding method
GB202302943D0 (en) Material and method
EP4324881A4 (en) Injection molded magnetic material and preparation method therefor
GB202009593D0 (en) Injection moulding method and apparatus
EP4205942A4 (en) Injection mold and injection molding method
GB202204686D0 (en) Mould assembly and method
EP4133002A4 (en) Material shaping method and shaped products
GB2595349B (en) Injection molded screening apparatuses and methods
GB2598212B (en) Method for shaping flexible material and products produced thereby
KR102408586B9 (en) Molding apparatus and method of injection mold

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20230717

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20240705

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 9/00 20060101ALI20240701BHEP

Ipc: C21D 6/04 20060101ALI20240701BHEP

Ipc: C21D 6/02 20060101ALI20240701BHEP

Ipc: C21D 6/00 20060101ALI20240701BHEP

Ipc: C21D 1/773 20060101ALI20240701BHEP

Ipc: C21D 1/76 20060101ALI20240701BHEP

Ipc: C21D 1/613 20060101ALI20240701BHEP

Ipc: C21D 1/26 20060101ALI20240701BHEP

Ipc: B22F 1/05 20220101ALI20240701BHEP

Ipc: B22F 3/24 20060101ALI20240701BHEP

Ipc: B22F 3/22 20060101ALI20240701BHEP

Ipc: B22F 3/10 20060101ALI20240701BHEP

Ipc: C22C 38/52 20060101ALI20240701BHEP

Ipc: C22C 38/46 20060101ALI20240701BHEP

Ipc: C22C 38/44 20060101ALI20240701BHEP

Ipc: C22C 33/02 20060101AFI20240701BHEP