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Title:Vpliv razmer pri razprševanju taline na lastnosti jeklenega granulata
Authors:Zupanič, Franc (Author)
Bončina, Tonica (Author)
Križman, Alojz (Author)
Rudolf, Rebeka (Author)
Files:URL http://www.dlib.si/details/URN:NBN:SI:doc-V16WKVPK
 
Language:Slovenian
Work type:Not categorized (r6)
Typology:1.04 - Professional Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:V tej raziskavi smo opredelili vpliv procesnih parametrov pri razprševanju jeklene taline na lastnosti visokoogljičnega jeklenega granulata. V sodelovanju s podjetjem Abrasiv Muta smo v industrijskih razmerah razpršili devet šarž jeklene taline ob znanih vrednostih različnih vplivnih parametrov, kot so temperatura in pretok taline, tlak in temperatura razpršilne vode, temperatura in nivo vode v hladilnem bazenu... Rezultati preiskav jeklenega granulata so pokazali, da ima najizrazitejši vpliv tlak razpršilne vode, ki določa velikostno porazdelitev jeklenih kroglic v granulatu, njihovo okroglost ter obrabno obstojnost. Tudi vpliv drugih dejavnikov ni zanemarljiv. Ugotovljeno je, da večje granulacije kroglic vsebujejo večje število napak kot drobne, to pa se kaže tudi v njihovi manjši obrabni sposobnosti.
Keywords:jekleni granulat, velikostna porazdelitev, okroglost, obrabna obstojnost, Ervinov preskus
Year of publishing:1999
Publisher:Inštitut za kovinske materiale in tehnologije
Number of pages:str. 359-363
Numbering:Letn. 33, št. 5
UDC:669.187:621.924:621.74
ISSN on article:1318-0010
COBISS_ID:165802 New window
NUK URN:URN:SI:UM:DK:VL2F3ZGT
Views:552
Downloads:23
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Categories:Misc.
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Record is a part of a journal

Title:Kovine zlitine tehnologije
Shortened title:Kovine zlit. tehnol.
Publisher:Inštitut za kovinske materiale in tehnologije
ISSN:1318-0010
COBISS.SI-ID:31742209 New window

Secondary language

Language:English
Title:Influence of atomising conditions on the properties of a high-carbon cast steel shot
Abstract:In this investigation we studied the influence of processing parameters by melt atomisation on the properties of a high carbon steel shot. We performed atomisation of nine heats in industrial conditions (Abrasiv Muta) by known processing parameters such as temperature and flow rate of the melt, temperature and pressure of the atomising water, temperature and level of water in the cooling pool... It has been found out that the pressure of the atomising water determines in a great extend the size distribution, spheroidity and wear resistance of the cast steel shot, although the influence of other parameters is not negligible. Results also suggest that larger granulation contains more defects than smaller, with consequentional detrimental effects on their wear resistance.
Keywords:high carbon steel shot, size distribution, spheroidity, Ervin test, wear resistance


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