LU102394B1 - Method for preparing fine-grained powder superalloy while suppressing prior particle boundary precipitation - Google Patents

Method for preparing fine-grained powder superalloy while suppressing prior particle boundary precipitation Download PDF

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Publication number
LU102394B1
LU102394B1 LU102394A LU102394A LU102394B1 LU 102394 B1 LU102394 B1 LU 102394B1 LU 102394 A LU102394 A LU 102394A LU 102394 A LU102394 A LU 102394A LU 102394 B1 LU102394 B1 LU 102394B1
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LU
Luxembourg
Prior art keywords
sintering
fine
powder
pressing mold
pressure
Prior art date
Application number
LU102394A
Other languages
English (en)
French (fr)
Inventor
Ka Gao
Lei Fan
Dejian Sun
Zan Zhang
Yang Gao
Rui Zhang
Xiaoqin Guo
Gaopeng Tang
Junliang Zhao
Original Assignee
Univ Zhengzhou Aeronautics
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 Univ Zhengzhou Aeronautics filed Critical Univ Zhengzhou Aeronautics
Application granted granted Critical
Publication of LU102394B1 publication Critical patent/LU102394B1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
    • 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
    • B22F3/02—Compacting 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
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • 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
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • 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
    • C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Powder Metallurgy (AREA)
LU102394A 2020-02-29 2021-01-11 Method for preparing fine-grained powder superalloy while suppressing prior particle boundary precipitation LU102394B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010132747.8A CN111304476B (zh) 2020-02-29 2020-02-29 一种抑制原始颗粒边界形成的细晶粉末高温合金的制备方法

Publications (1)

Publication Number Publication Date
LU102394B1 true LU102394B1 (en) 2021-08-30

Family

ID=71145333

Family Applications (1)

Application Number Title Priority Date Filing Date
LU102394A LU102394B1 (en) 2020-02-29 2021-01-11 Method for preparing fine-grained powder superalloy while suppressing prior particle boundary precipitation

Country Status (2)

Country Link
CN (1) CN111304476B (zh)
LU (1) LU102394B1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113666717B (zh) * 2021-06-29 2023-05-30 先导薄膜材料有限公司 一种导电TeOX旋转靶材及其制备方法
CN113649571B (zh) * 2021-08-13 2023-08-18 上海理工大学 一种高硬度粉末高熵合金的制备方法
CN113664197B (zh) * 2021-08-13 2023-04-07 郑州航空工业管理学院 一种高强塑性粉末高温合金及其制备方法和应用
CN114619028A (zh) * 2022-03-18 2022-06-14 郑州大学 一种金刚石/铜复合材料及其制备方法
CN116574949A (zh) * 2023-04-25 2023-08-11 上海理工大学 一种高硬度高致密度W-Ti合金及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5638525A (en) * 1979-09-05 1981-04-13 Hitachi Ltd Nozzle for gas turbine
CN105397085B (zh) * 2015-10-16 2017-09-12 中南大学 一种放电等离子烧结制备镍基粉末高温合金的方法
CN107841697A (zh) * 2016-09-21 2018-03-27 中南大学 一种镍基粉末高温合金原始颗粒边界的消除方法
CN106636755B (zh) * 2016-12-13 2018-07-17 深圳市万泽中南研究院有限公司 一种镍基高温合金和燃气涡轮发动机部件

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Publication number Publication date
CN111304476B (zh) 2021-03-26
CN111304476A (zh) 2020-06-19

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FG Patent granted

Effective date: 20210830