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Projects / Programmes source: ARIS

Raziskave lastnosti in obdelovalnosti ulitkov iz visokolegirane kromove litine za dele turbinskega polnilnika (Slovene)

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Research activity

Code Science Field Subfield
2.04.02  Engineering sciences and technologies  Materials science and technology  Metallic materials 

Code Science Field
T450  Technological sciences  Metal technology, metallurgy, metal products 
Keywords
High-Alloyed Chromium Cast-Iron, Characterization, Machinability
Evaluation (rules)
source: COBISS
Evaluation of bibliographic research performance indicators according to ARIS methodology
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (17)
no. Code Name and surname Research area Role Period No. of publications
1.  08236  Boris Arzenšek  Materials science and technology  Researcher  2000 - 2001  225 
2.  00741  Bojan Breskvar  Materials science and technology  Researcher  2000 - 2001  160 
3.  17189  Nika Breskvar    Researcher  2000 - 2001  1 
4.  09434  PhD Mirko Doberšek  Materials science and technology  Researcher  2000 - 2001  162 
5.  06883  PhD Janez Kopač  Manufacturing technologies and systems  Researcher  2000 - 2001  1,837 
6.  11624  PhD Borut Kosec  Materials science and technology  Researcher  2000 - 2001  976 
7.  00050  PhD Ladislav Kosec  Materials science and technology  Head  2000 - 2001  851 
8.  19624  Vesna Krapež    Researcher  2000 - 2001  0 
9.  18047  Vinko Rotar    Researcher  2000 - 2001  38 
10.  20367  PhD Jože Roth  Materials science and technology  Researcher  2000 - 2001  25 
11.  18044  Marko Sedej    Researcher  2000 - 2001  6 
12.  17201  Uroš Sirk    Researcher  2000 - 2001  4 
13.  00735  PhD Anton Smolej  Materials science and technology  Researcher  2000 - 2001  276 
14.  09001  PhD Mirko Soković  Manufacturing technologies and systems  Researcher  2000 - 2001  1,076 
15.  05383  PhD Savo Spaić  Materials science and technology  Researcher  2000 - 2001  248 
16.  14736  PhD Samo Šali  Manufacturing technologies and systems  Researcher  2000 - 2001  45 
17.  17193  Zlatka Torkar    Researcher  2000 - 2001  1 
Organisations (3)
no. Code Research organisation City Registration number No. of publications
1.  1555  University of Ljubljana, Faculty of Natural Sciences and Engeneering  Ljubljana  1627074  19,843 
2.  0206  Institute of Metals and Technology  Ljubljana  5051622000  5,979 
3.  0782  University of Ljubljana, Faculty of Mechanical Engineering  Ljubljana  1627031  29,214 
Abstract
Company Cimos from Koper manufacturing cylindrical discs for Turbocharging systems. The company buys thick-walled tubes aboard and manufactures final products from them with various machining and cutting procedures. Bush is casted of high-alloyed, high-carbon chromium cast-iron. Microstructure and mechanical properties of the cromium cast-iron are the cause of poor machinability and cutting performance. The main difficulties are high wear of the cutting tools and the integrity of the products surface. Damages often occur on the machined pieces wich point to the considerable brittleness of cast-iron and the need to define precisely the conditions of mechanical machining and the selection of tools.The problems of cutting stem on one hand from the material the machined pieces are made of and from the technology of cutting on the other hand. The solution of the difficulties arising from the first problem lies in precise characterization of microstructure and phase compozition of alloy and morphology, distribution and fraction of various microstructure constituents.The solution of the second problem is proper selection of tools and the optimization of the cutting conditions.
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