Publication detail
Research and starting the production of heavy castings from high-alloy ductile cast iron
KAŇA, V. ŠENBERGER, J. ZÁDĚRA, A. ČECH, J.
Czech title
Výzkum a zavedení výroby těžkých odlitků z vysokolegovaných litin s kuličkovým grafitem
English title
Research and starting the production of heavy castings from high-alloy ductile cast iron
Type
conference paper
Language
en
Original abstract
This paper deals with research and production optimization of heavy castings from austenitic nickel cast iron – so-called nirezist. On the basis of accessible literature analysis and in particular on the basis of seven experimental meltages the following problems are researched: to ensure of austenitic structure, which is necessary for good corrosion resistance. Take precautions against creation of Chunky graphite. The research was also carried out of influence of chromium content on number and location of carbides in the structure. Determination of carbon eutectic concentration for variable cast iron chemist and calculation of eutectic temperature, liquidus temperature and pouring temperature. Determination of influence of carbon and nickel concentration on eutectic and liquidus temperatures.
Czech abstract
Tato práce se zabývá výzkumem a optimalizací výroby těžkých odlitků z niklové austenitické litiny – tzv. nirezistu. Na základě rozboru dostupné literatury a především na základě sedmi provedených experimentálních taveb jsou zde zkoumány následující problémy. Zajištění austenitické struktury nutné pro dobrou korozivzdornost. Opatření proti vzniku Chunky grafitu. Vliv obsahu Cr na množství a rozložení karbidů ve struktuře. Stanovení eutektické koncentrace uhlíku pro měnící se chemické složení litiny a výpočet eutektické teploty, teploty likvidu a licí teploty. Stanovení vlivu koncentrace C a Ni na eutektickou teplotu a teplotu likvidu.
English abstract
This paper deals with research and production optimization of heavy castings from austenitic nickel cast iron – so-called nirezist. On the basis of accessible literature analysis and in particular on the basis of seven experimental meltages the following problems are researched: to ensure of austenitic structure, which is necessary for good corrosion resistance. Take precautions against creation of Chunky graphite. The research was also carried out of influence of chromium content on number and location of carbides in the structure. Determination of carbon eutectic concentration for variable cast iron chemist and calculation of eutectic temperature, liquidus temperature and pouring temperature. Determination of influence of carbon and nickel concentration on eutectic and liquidus temperatures.
Keywords in Czech
austenitická litina, nirezist, chunky grafit, těžké odlitky
Keywords in English
austenitic cast iron, nirezist, chunky graphite, heavy castings
RIV year
2008
Released
13.05.2008
ISBN
978-80-214-3646-6
Book
45th FOUNDRY DAYS and 5th International PhD Foundry Conference
Pages from–to
1–10
Pages count
10
BIBTEX
@inproceedings{BUT35978,
author="Václav {Kaňa} and Jaroslav {Šenberger} and Antonín {Záděra} and Jan {Čech},
title="Research and starting the production of heavy castings from high-alloy ductile cast iron",
booktitle="45th FOUNDRY DAYS and 5th International PhD Foundry Conference",
year="2008",
month="May",
pages="1--10",
isbn="978-80-214-3646-6"
}