DE3781548T2 - Verfahren zur verdichtung von materialvorformen. - Google Patents

Verfahren zur verdichtung von materialvorformen.

Info

Publication number
DE3781548T2
DE3781548T2 DE8888900321T DE3781548T DE3781548T2 DE 3781548 T2 DE3781548 T2 DE 3781548T2 DE 8888900321 T DE8888900321 T DE 8888900321T DE 3781548 T DE3781548 T DE 3781548T DE 3781548 T2 DE3781548 T2 DE 3781548T2
Authority
DE
Germany
Prior art keywords
compressing material
material preforms
preforms
compressing
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.)
Expired - Fee Related
Application number
DE8888900321T
Other languages
English (en)
Other versions
DE3781548D1 (de
Inventor
E Timm
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of DE3781548D1 publication Critical patent/DE3781548D1/de
Application granted granted Critical
Publication of DE3781548T2 publication Critical patent/DE3781548T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/04—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
    • 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
    • B22F3/15—Hot isostatic pressing
    • B22F3/156—Hot isostatic pressing by a pressure medium in liquid or powder form
    • 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
    • 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
    • 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
    • B22F3/15—Hot isostatic pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/001—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a flexible element, e.g. diaphragm, urged by fluid pressure; Isostatic presses
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C04B35/645—Pressure sintering
    • C04B35/6455—Hot isostatic pressing
    • 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
DE8888900321T 1986-12-08 1987-12-04 Verfahren zur verdichtung von materialvorformen. Expired - Fee Related DE3781548T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/939,340 US4744943A (en) 1986-12-08 1986-12-08 Process for the densification of material preforms
PCT/US1987/003202 WO1988004396A1 (en) 1986-12-08 1987-12-04 Process for the densification of material preforms

Publications (2)

Publication Number Publication Date
DE3781548D1 DE3781548D1 (de) 1992-10-08
DE3781548T2 true DE3781548T2 (de) 1993-01-07

Family

ID=25473003

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888900321T Expired - Fee Related DE3781548T2 (de) 1986-12-08 1987-12-04 Verfahren zur verdichtung von materialvorformen.

Country Status (7)

Country Link
US (1) US4744943A (de)
EP (1) EP0292552B1 (de)
JP (1) JPH0696721B2 (de)
KR (1) KR920000414B1 (de)
CA (1) CA1294750C (de)
DE (1) DE3781548T2 (de)
WO (1) WO1988004396A1 (de)

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US5051218A (en) * 1989-02-10 1991-09-24 The Regents Of The University Of California Method for localized heating and isostatically pressing of glass encapsulated materials
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US5147446A (en) * 1991-08-06 1992-09-15 The United States Of America As Represented By The Secretary Of The Commerce Method for fabrication of dense compacts from nano-sized particles using high pressures and cryogenic temperatures
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Also Published As

Publication number Publication date
JPS63502996A (ja) 1988-11-02
CA1294750C (en) 1992-01-28
EP0292552B1 (de) 1992-09-02
US4744943A (en) 1988-05-17
EP0292552A1 (de) 1988-11-30
DE3781548D1 (de) 1992-10-08
WO1988004396A1 (en) 1988-06-16
JPH0696721B2 (ja) 1994-11-30
KR890700217A (ko) 1989-03-10
EP0292552A4 (de) 1989-04-12
KR920000414B1 (ko) 1992-01-13

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