JPS5447807A - Powder molding method with hot hydrostatic press - Google Patents

Powder molding method with hot hydrostatic press

Info

Publication number
JPS5447807A
JPS5447807A JP11438377A JP11438377A JPS5447807A JP S5447807 A JPS5447807 A JP S5447807A JP 11438377 A JP11438377 A JP 11438377A JP 11438377 A JP11438377 A JP 11438377A JP S5447807 A JPS5447807 A JP S5447807A
Authority
JP
Japan
Prior art keywords
mold
hot hydrostatic
binder
water glass
mold material
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
JP11438377A
Other languages
Japanese (ja)
Other versions
JPS5548561B2 (en
Inventor
Nobuyasu Kawai
Kazuo Ogata
Masato Moritoki
Yoichi Inoue
Takeo Tanaka
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP11438377A priority Critical patent/JPS5447807A/en
Publication of JPS5447807A publication Critical patent/JPS5447807A/en
Publication of JPS5548561B2 publication Critical patent/JPS5548561B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Powder Metallurgy (AREA)

Abstract

PURPOSE: To prepare simply the product having excellent precision of dimensions, by using the refractory substance and water glass of binder as the material for the mold, when the special form material of complicated shape is prepared with the sintering of diffusion joining by means of the hot hydrostatic pressure method.
CONSTITUTION: The slurry obtained from sulfate, chloride or nitrate such as CaSO4, NaCl, etc. or refractory material such as Al2O3, SiO2, etc. by using water glass as the binder, or from sand by using water glass or resin as the binder, is made to flow into the mold and is roasted, so as to make the mold material 1. The powdery metal or ceramics 2 is filled in this mold material and is covered with the cover 3 of the same material as the mold material 1. By heating this after the vacuum degassing, the cover 3 is sealed hermetically to the mold material 1. Then, the hot hydrostatic press is performed in the furnace of high temperature and high pressure. Or, the mold material 1 filled with metal powder is placed in the capsule 4, which is sealed hermetically after the vacuum degassing, and the hot hydrostatic press is performed. In this way, the special form product having excellent precision of dimensions is obtained from the powdery raw material.
COPYRIGHT: (C)1979,JPO&Japio
JP11438377A 1977-09-21 1977-09-21 Powder molding method with hot hydrostatic press Granted JPS5447807A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11438377A JPS5447807A (en) 1977-09-21 1977-09-21 Powder molding method with hot hydrostatic press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11438377A JPS5447807A (en) 1977-09-21 1977-09-21 Powder molding method with hot hydrostatic press

Publications (2)

Publication Number Publication Date
JPS5447807A true JPS5447807A (en) 1979-04-14
JPS5548561B2 JPS5548561B2 (en) 1980-12-06

Family

ID=14636292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11438377A Granted JPS5447807A (en) 1977-09-21 1977-09-21 Powder molding method with hot hydrostatic press

Country Status (1)

Country Link
JP (1) JPS5447807A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56130405A (en) * 1980-03-17 1981-10-13 Kobe Steel Ltd Formation by hot hydrostatic press
CN108296480A (en) * 2018-03-23 2018-07-20 厦门理工学院 A kind of preparation method of high-purity refractory metal block

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5748490U (en) * 1980-09-02 1982-03-18

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56130405A (en) * 1980-03-17 1981-10-13 Kobe Steel Ltd Formation by hot hydrostatic press
CN108296480A (en) * 2018-03-23 2018-07-20 厦门理工学院 A kind of preparation method of high-purity refractory metal block

Also Published As

Publication number Publication date
JPS5548561B2 (en) 1980-12-06

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