BR0311587A - Procedimento para a fabricação de corpos moldados metálicos altamente porosos - Google Patents

Procedimento para a fabricação de corpos moldados metálicos altamente porosos

Info

Publication number
BR0311587A
BR0311587A BR0311587-9A BR0311587A BR0311587A BR 0311587 A BR0311587 A BR 0311587A BR 0311587 A BR0311587 A BR 0311587A BR 0311587 A BR0311587 A BR 0311587A
Authority
BR
Brazil
Prior art keywords
procedure
manufacture
porous metal
molded bodies
highly porous
Prior art date
Application number
BR0311587-9A
Other languages
English (en)
Other versions
BR0311587B1 (pt
Inventor
Martin Bram
Alexander Laptev
Detlev Stoever
Hans Peter Buchkremer
Original Assignee
Forschungszentrum Juelich Gmbh
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 Forschungszentrum Juelich Gmbh filed Critical Forschungszentrum Juelich Gmbh
Publication of BR0311587A publication Critical patent/BR0311587A/pt
Publication of BR0311587B1 publication Critical patent/BR0311587B1/pt

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
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B22F3/1121—Making porous workpieces or articles by using decomposable, meltable or sublimatable fillers
    • 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
    • B22F2003/1042—Sintering only with support for articles to be sintered
    • 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
    • B22F2003/247—Removing material: carving, cleaning, grinding, hobbing, honing, lapping, polishing, milling, shaving, skiving, turning the surface
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Filtering Materials (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Image Analysis (AREA)

Abstract

"PROCEDIMENTO PARA A FABRICAçãO DE CORPOS MOLDADOS METáLICOS ALTAMENTE POROSOS". A presente invenção se refere a um procedimento para a fabricação de corpos moldados metálicos altamente porosos, que abrange as etapas seguintes: um metal pulverizado utilizado como matéria-prima é misturado com um material de espaçamento; a partir desta mistura são prensados corpos de base; os corpos de base são submetidos a um processamento mecânico convencional, sendo que o material de espaçamento eleva vantajosamente a estabilidade do corpo de base; o material de espaçamento é retirado do corpo de base termicamente, ao lar ou sob vácuo ou sob uma atmosfera de gás inerte; o corpo de base é sinterizado para formar o corpo moldado e, por fim, este é trovalizado ou esmerilado. Materiais adequados para servir de material de espaçamento são, por exemplo, bicarbonato de amónio ou também carbamida. O processamento mecânico antes da sinterização possibilita realizar, de forma vantajosa, uma fabricação simples e apresentando já aproximadamente o contorno final dos corpos moldados a serem produzidos inclusive no caso de geometrias complexas, sem prejudicar a porosidade e sem que haja um grande desgaste das ferramentas utilizadas. Uma vantagem é que a peça a ser trabalhada apresenta uma resistência à compressão suficiente para o seu processamento, na medida em que c) material de espaçamento ainda se encontra nos poros do corpo de base durante o processamento deste último.
BRPI0311587-9A 2002-06-03 2003-05-09 procedimento para a fabricação de corpos moldados metálicos altamente porosos. BR0311587B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10224671A DE10224671C1 (de) 2002-06-03 2002-06-03 Verfahren zur endkonturnahen Herstellung von hochporösen metallischen Formkörpern
DE10224671.8 2002-06-03
PCT/DE2003/001484 WO2003101647A2 (de) 2002-06-03 2003-05-09 Verfahren zur endkonturnahen herstellung von hochporösen metallischen formkörpern

Publications (2)

Publication Number Publication Date
BR0311587A true BR0311587A (pt) 2005-03-01
BR0311587B1 BR0311587B1 (pt) 2012-01-10

Family

ID=28051332

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0311587-9A BR0311587B1 (pt) 2002-06-03 2003-05-09 procedimento para a fabricação de corpos moldados metálicos altamente porosos.

Country Status (13)

Country Link
US (1) US7147819B2 (pt)
EP (1) EP1523390B1 (pt)
JP (1) JP4546238B2 (pt)
CN (1) CN1863630B (pt)
AT (1) ATE399070T1 (pt)
AU (1) AU2003245820B2 (pt)
BR (1) BR0311587B1 (pt)
CA (1) CA2488364C (pt)
DE (2) DE10224671C1 (pt)
ES (1) ES2307948T3 (pt)
PL (1) PL205839B1 (pt)
WO (1) WO2003101647A2 (pt)
ZA (2) ZA200410364B (pt)

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US9204967B2 (en) 2007-09-28 2015-12-08 Depuy (Ireland) Fixed-bearing knee prosthesis having interchangeable components
US8871142B2 (en) 2008-05-22 2014-10-28 DePuy Synthes Products, LLC Implants with roughened surfaces
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US9101476B2 (en) * 2009-05-21 2015-08-11 Depuy (Ireland) Prosthesis with surfaces having different textures and method of making the prosthesis
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US8383033B2 (en) 2009-10-08 2013-02-26 Biomet Manufacturing Corp. Method of bonding porous metal to metal substrates
JP5657275B2 (ja) * 2009-10-31 2015-01-21 株式会社Uacj 多孔質金属及びその製造方法
CN101704103B (zh) * 2009-12-22 2012-12-05 元磁新型材料(苏州)有限公司 一种用于制造热导管内壁毛细结构的复合铜粉
US9011547B2 (en) 2010-01-21 2015-04-21 Depuy (Ireland) Knee prosthesis system
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RU2508962C1 (ru) * 2012-11-29 2014-03-10 федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Пермский национальный исследовательский политехнический университет" Способ получения высокопористого ячеистого материала
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Also Published As

Publication number Publication date
CA2488364C (en) 2011-03-08
US7147819B2 (en) 2006-12-12
CN1863630A (zh) 2006-11-15
DE50310043D1 (de) 2008-08-07
ES2307948T3 (es) 2008-12-01
WO2003101647A3 (de) 2004-05-27
CA2488364A1 (en) 2003-12-11
AU2003245820A1 (en) 2003-12-19
AU2003245820B2 (en) 2009-01-08
JP2005531689A (ja) 2005-10-20
JP4546238B2 (ja) 2010-09-15
WO2003101647A2 (de) 2003-12-11
PL372178A1 (en) 2005-07-11
CN1863630B (zh) 2011-08-03
BR0311587B1 (pt) 2012-01-10
ATE399070T1 (de) 2008-07-15
EP1523390A2 (de) 2005-04-20
EP1523390B1 (de) 2008-06-25
DE10224671C1 (de) 2003-10-16
ZA200410364B (en) 2006-06-28
PL205839B1 (pl) 2010-06-30
US20050249625A1 (en) 2005-11-10
ZA200410634B (en) 2006-06-28

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 09/05/2003, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

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B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

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