JPS57210902A - Hot hydrostatic compaction method for irregular shaped product - Google Patents

Hot hydrostatic compaction method for irregular shaped product

Info

Publication number
JPS57210902A
JPS57210902A JP9705681A JP9705681A JPS57210902A JP S57210902 A JPS57210902 A JP S57210902A JP 9705681 A JP9705681 A JP 9705681A JP 9705681 A JP9705681 A JP 9705681A JP S57210902 A JPS57210902 A JP S57210902A
Authority
JP
Japan
Prior art keywords
vessel
bag
powder
hot hydrostatic
foils
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.)
Granted
Application number
JP9705681A
Other languages
Japanese (ja)
Other versions
JPS6131161B2 (en
Inventor
Hideki Nakamura
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP9705681A priority Critical patent/JPS57210902A/en
Publication of JPS57210902A publication Critical patent/JPS57210902A/en
Publication of JPS6131161B2 publication Critical patent/JPS6131161B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B22F3/1208—Containers or coating used therefor
    • B22F3/1216—Container composition
    • B22F3/1241—Container composition layered

Abstract

PURPOSE:To obtain products in a short time without requiring any secondary pressure medium in a Near Net Shape Hip method by covering a container packed with metal or alloy powder with a metallic or alloy foil and compacting these. CONSTITUTION:For example, gas atomized spherical powder 1 of stellite #6 is packed in a vessel 2 which consists of 1 kind of alumina, silica or glass or their mixture and has a shape approximately identical to the final product shape. In order to prevent the outflow of the powder, the vessel is sealed with a plug 3 of the similar material and the vessel 2 is put in a bag made by welding foils 4 of, for example, SUS304, with <=0.5mm. thickness. The inside of the bag and the inside of the vessel 2 are evacuated simultaneously through a pipe 5. The opening part of the bag is tightly sealed by welding after this is put in a hot hydrostatic pressing device for vessels, where it is compacted under the conditions of about 1,000atm, about 1,150 deg.C and about 2hr holding time, after which the foils 4 are cut, the vessel 2 broken and the product of the solid compact body is removed.
JP9705681A 1981-06-23 1981-06-23 Hot hydrostatic compaction method for irregular shaped product Granted JPS57210902A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9705681A JPS57210902A (en) 1981-06-23 1981-06-23 Hot hydrostatic compaction method for irregular shaped product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9705681A JPS57210902A (en) 1981-06-23 1981-06-23 Hot hydrostatic compaction method for irregular shaped product

Publications (2)

Publication Number Publication Date
JPS57210902A true JPS57210902A (en) 1982-12-24
JPS6131161B2 JPS6131161B2 (en) 1986-07-18

Family

ID=14181993

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9705681A Granted JPS57210902A (en) 1981-06-23 1981-06-23 Hot hydrostatic compaction method for irregular shaped product

Country Status (1)

Country Link
JP (1) JPS57210902A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62274006A (en) * 1986-05-21 1987-11-28 Kobe Steel Ltd Hot hydrostatic pressing method
GB2517939A (en) * 2013-09-05 2015-03-11 Rolls Royce Plc A method and apparatus for separating a canister and component
CN113020599A (en) * 2019-12-24 2021-06-25 机械科学研究总院集团有限公司 Preparation method of high-pressure-bearing pump body

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62274006A (en) * 1986-05-21 1987-11-28 Kobe Steel Ltd Hot hydrostatic pressing method
GB2517939A (en) * 2013-09-05 2015-03-11 Rolls Royce Plc A method and apparatus for separating a canister and component
GB2517939B (en) * 2013-09-05 2016-08-10 Rolls Royce Plc A method and apparatus for separating a canister and component
US10035189B2 (en) 2013-09-05 2018-07-31 Rolls-Royce Plc Method and apparatus for separating a canister and component
CN113020599A (en) * 2019-12-24 2021-06-25 机械科学研究总院集团有限公司 Preparation method of high-pressure-bearing pump body

Also Published As

Publication number Publication date
JPS6131161B2 (en) 1986-07-18

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