RO99871B1 - Spume ceramice rigide si procedeu de obtinere a acestora - Google Patents

Spume ceramice rigide si procedeu de obtinere a acestora

Info

Publication number
RO99871B1
RO99871B1 RO129739A RO12973987A RO99871B1 RO 99871 B1 RO99871 B1 RO 99871B1 RO 129739 A RO129739 A RO 129739A RO 12973987 A RO12973987 A RO 12973987A RO 99871 B1 RO99871 B1 RO 99871B1
Authority
RO
Romania
Prior art keywords
ceramic
metallic
metal
precursor
precursor metal
Prior art date
Application number
RO129739A
Other languages
English (en)
Inventor
Sangmoo Park Eugene
Douglas Poste Steven
Original Assignee
Lanxide Technology Company, Lp
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 Lanxide Technology Company, Lp filed Critical Lanxide Technology Company, Lp
Priority to RO129739A priority Critical patent/RO99871B1/ro
Publication of RO99871B1 publication Critical patent/RO99871B1/ro

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  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

Inventia se refera la niste spume ceramice rigide si la un procedeu de realizare a acestora. Spumele ceramice rigide, conform inventiei, cuprind ligamente tubulare constituite dintr-un material ceramic policristalin format in situ prin reactia de oxidare a unui metal precursor ales între Ti, Si, Sn, Zr, Hf si, de preferinta, Al si prefasonat corespunzator pentru alcatuirea ligamentelor metalice precursoare ale corpului ceramic reticulat si care material ceramic policristalin poate sa contina în proportie de 1...40% constituent metalic rezidual si/sau porozitatii si goluri interconectate. procedeul de obtinere a spumelor ceramice mentionate prevede prefasonarea metalului precursor într-un profil alcatuit din ligamente metalice interconectate pe trei dimensiuni urmata de rigidizarea acestei structuri prin tratarea preliminara a metalului precursor astfel fasonat la o temperatura inferioara punctului sau de topire pentru formarea pe ligamentele metalice a unei acoperiri rigidizante sau prin aplicarea preliminara directa pe ligamentele metalice a acoperirii permeabile prestabilite si de încalzirea finala a structurii metalice astfel rigidizate la temperatura superioara punctului de topire al metalului precursor pentru obtinerea structurii ceramice reticulate final.
RO129739A 1987-09-15 1987-09-15 Spume ceramice rigide si procedeu de obtinere a acestora RO99871B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO129739A RO99871B1 (ro) 1987-09-15 1987-09-15 Spume ceramice rigide si procedeu de obtinere a acestora

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO129739A RO99871B1 (ro) 1987-09-15 1987-09-15 Spume ceramice rigide si procedeu de obtinere a acestora

Publications (1)

Publication Number Publication Date
RO99871B1 true RO99871B1 (ro) 1990-09-28

Family

ID=40907925

Family Applications (1)

Application Number Title Priority Date Filing Date
RO129739A RO99871B1 (ro) 1987-09-15 1987-09-15 Spume ceramice rigide si procedeu de obtinere a acestora

Country Status (1)

Country Link
RO (1) RO99871B1 (ro)

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