YU164190A - Postupak za livenje metalnih delova pod pritiskom u penu sa jednokratnom upotrebom - Google Patents

Postupak za livenje metalnih delova pod pritiskom u penu sa jednokratnom upotrebom

Info

Publication number
YU164190A
YU164190A YU164190A YU164190A YU164190A YU 164190 A YU164190 A YU 164190A YU 164190 A YU164190 A YU 164190A YU 164190 A YU164190 A YU 164190A YU 164190 A YU164190 A YU 164190A
Authority
YU
Yugoslavia
Prior art keywords
metal parts
procedure
under pressure
pressure
single use
Prior art date
Application number
YU164190A
Other languages
English (en)
Serbian (sr)
Other versions
YU47435B (sh
Inventor
M. Garat
Original Assignee
Aluminium Pechiney
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 Aluminium Pechiney filed Critical Aluminium Pechiney
Priority to YU164190A priority Critical patent/YU47435B/sh
Publication of YU164190A publication Critical patent/YU164190A/sh
Publication of YU47435B publication Critical patent/YU47435B/sh

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  • Mold Materials And Core Materials (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Powder Metallurgy (AREA)

Abstract

POSTUPAK ZA LIVENJE METALNIH DELOVA POD PRITISKOM U PENU SA JEDNOKRATNOM UPOTREBOM, pronalazak se odnosi na postupak za ulivanje metalnih delova pod pritiskom u penu za jednokratnu upotrebu. Postupak se sastoji u tome da se primeni povećavajući izostatički gasni pritisak na kalup po njegovom punjenju, tako da taj pritisak stvara brzo i blagovremeno, sa gubljenjem punjenja kroz pesak, nadpritisak istopljenog metala u odnosu na pesak na nivou njihoivih dodirnih površina. Taj nadpritisak dostiže vrednost izmedju dve granice sa tendencijom smanjivanja, zatim se postepeno povećava i na kraju održava konstantnim do potpunog očvršćaanja metalnog dela. Predloženi pronalazak se primenjuje za proizvodnju delova od aluminijumskih legura koji imaju poboljšanu površinu bez gasnih mehurova i bez učešća ugljenika.
YU164190A 1990-08-29 1990-08-29 Postupak za livenje metalnih delova pod pritiskom u penu za jednokratnu upotrebu YU47435B (sh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
YU164190A YU47435B (sh) 1990-08-29 1990-08-29 Postupak za livenje metalnih delova pod pritiskom u penu za jednokratnu upotrebu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
YU164190A YU47435B (sh) 1990-08-29 1990-08-29 Postupak za livenje metalnih delova pod pritiskom u penu za jednokratnu upotrebu

Publications (2)

Publication Number Publication Date
YU164190A true YU164190A (sh) 1994-06-24
YU47435B YU47435B (sh) 1995-03-27

Family

ID=47430284

Family Applications (1)

Application Number Title Priority Date Filing Date
YU164190A YU47435B (sh) 1990-08-29 1990-08-29 Postupak za livenje metalnih delova pod pritiskom u penu za jednokratnu upotrebu

Country Status (1)

Country Link
YU (1) YU47435B (sh)

Also Published As

Publication number Publication date
YU47435B (sh) 1995-03-27

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